Cardamom
Elettaria cardamomum (L.) Maton
Common & Folk Names
- Green Cardamom
- True Cardamom
- Small Cardamom
- The Queen of Spices (with Black Pepper being the King)
- Elaichi (Hindi)
- Ela (Sanskrit)
Plant Family
Zingiberaceae (Ginger Family)
Geographic Location
Native to the tropical rainforests of southern India (Western Ghats of Kerala, Karnataka, Tamil Nadu) and Sri Lanka. Now widely cultivated in Guatemala (the world’s largest producer), Tanzania, Papua New Guinea, Vietnam, Indonesia, Nepal, Costa Rica, and Mexico. In Aotearoa New Zealand, cardamom is not commercially grown due to climate requirements, but is available as an imported spice in whole pods, seeds, or ground form.
Habitat
A perennial herbaceous plant that thrives in the humid, shaded understory of tropical rainforests. In its native habitat, cardamom grows wild beneath the canopy of tall trees, requiring consistent warmth, high humidity, and protection from direct sunlight. It prefers elevations between 600-1,500 metres in mountainous regions with cool nights and warm days.
Growing Conditions
Sun: Partial shade to full shade (30-50% shade); mimics natural forest floor habitat. Direct sun will scorch leaves and reduce volatile oil production.
Soil: Deep, rich, loamy, well-drained soil with high organic matter content; pH 5.5-6.5; requires consistent moisture but not waterlogged conditions
Climate: Exclusively tropical; requires high humidity (75-85%), consistent temperatures 18-30°C (65-86°F), annual rainfall 150-400cm. Highly sensitive to frost and drought. Cannot tolerate temperatures below 10°C.
Propagation: Primarily by division of rhizomes from established clumps. Seeds can be used but require fresh seed (viability decreases rapidly) and take 3-4 years to reach maturity. Rhizome divisions produce harvest in 2-3 years.
Care: Requires rich, moist soil with regular feeding. Mulch heavily to maintain moisture and suppress weeds. Plants reach 2-5 metres in height with flowering stalks emerging from base.
Note for NZ Growers: Cardamom is extremely challenging to grow in New Zealand due to our temperate climate. Only possible in heated greenhouses with controlled humidity in subtropical regions (far north). Most New Zealand herbalists use imported dried cardamom pods or seeds.
Harvesting Guidelines
Harvest seed pods approximately 60-90 days after flowering, just before they reach full maturity. Pods should be harvested when still slightly immature and green to prevent them from splitting open and losing seeds. The optimal harvest window is narrow–pods picked too early have low volatile oil content; pods picked too late split open and lose quality. Harvest by hand in multiple passes as pods mature at different times. Cut pods with 1-2cm of stem attached.
Post-Harvest Processing: Dry pods carefully to preserve green colour and volatile oils. Traditional sun-drying can take 4-5 days but may bleach pods. Modern processing uses warm air (45-50°C) in well-ventilated drying rooms for 36-48 hours, which maintains green colour and better preserves volatile oils. Properly dried pods should be pale green to greenish-white, firm, and non-spongy. Avoid bleached white cardamom, which has been treated with sulphur dioxide–this process destroys some medicinal compounds and can cause adverse reactions in sensitive individuals.
Parts Used
- Seeds: The primary medicinal and culinary part, found inside the three-chambered pods
- Whole pods: Often used intact in cooking to infuse flavour, then removed; pods are fibrous and should be discarded before consumption
- Ground seeds: Used in preparations where full extraction is desired
Important: Always remove the fibrous outer pod before consuming or preparing medicinal formulations–only the seeds are used medicinally.
Constituents & Their Actions
Cardamom seeds contain a rich array of volatile oils, polyphenols, and other bioactive compounds that work synergistically to produce therapeutic effects. The characteristic aroma and many medicinal properties derive primarily from the essential oil content.
Volatile Oils (2-10% of dried seeds):
The essential oil is the most important medicinal component, with composition varying based on variety, growing conditions, and processing methods. The oil is responsible for cardamom’s distinctive aroma and most therapeutic actions.
Some of the main volatile oils in cardamom are:
- α-Terpinyl acetate (30-45%): The dominant constituent, providing the characteristic sweet, floral aroma
- 1,8-Cineole/Eucalyptol (20-40%): Provides cooling, pungent notes and potent therapeutic activity
- Linalool (2-6%): Sweet, floral note with calming properties
- Linalyl acetate (2-4%): Ester of linalool
- Limonene (2-14%): Citrus note
- Sabinene (2-5%): Spicy, pepper-like note
- α-Pinene and β-Pinene (1-3% combined): Sharp, fresh pine notes
- Terpinen-4-ol (1-2%): Woody, earthy note
- α-Terpineol (1-2%): Lilac-like floral note
The main actions of these volatile oils are:
- Carminative: Relaxes gastrointestinal smooth muscle, promoting expulsion of gas and relieving bloating and distension
- Antispasmodic: Directly relaxes smooth muscle in digestive tract, respiratory system, and blood vessels, reducing spasms and cramping
- Aromatic digestive stimulant: Stimulates salivary glands, promotes production of digestive enzymes and bile secretion, enhancing overall digestive function
- Anti-inflammatory: Particularly 1,8-cineole, which inhibits inflammatory pathways including COX-2, iNOS, and NF-κB
- Antimicrobial: Broad-spectrum activity against bacteria, fungi, and some viruses
- Expectorant: Promotes clearance of respiratory mucus
Polyphenols & Flavonoids (1-3%):
These plant compounds provide powerful antioxidant and anti-inflammatory effects.
Some of the main polyphenols in cardamom are:
- Quercetin: Potent flavonoid antioxidant
- Kaempferol: Flavonoid with anti-inflammatory properties
- Luteolin: Flavonoid with neuroprotective effects
- Pelargonidin: Anthocyanidin pigment
- Cardamonin: A unique chalcone compound specific to cardamom
The main actions of these polyphenols are:
- Antioxidant: Neutralise free radicals, reducing oxidative stress and cellular damage
- Anti-inflammatory: Inhibit inflammatory pathways (COX, LOX, NF-κB), reducing production of pro-inflammatory cytokines (TNF-α, IL-6)
- Cardioprotective: Protect cardiovascular system through multiple mechanisms
Fixed Oils (2-10%):
Present in the seeds, providing nutritional value and contributing to overall therapeutic effects.
Starch & Mucilage (20-40%):
Provide slight demulcent quality that buffers strong volatile oils and soothes gut lining, preventing irritation.
The main actions are:
- Demulcent: Soothes and protects mucous membranes
Proteins (10-12%):
Contribute to nutritional value.
Terpenoids:
Beyond the volatile oils, cardamom contains various terpenoid compounds contributing to therapeutic activity.
Actions with Mechanisms
Carminative:
The volatile oils, particularly α-terpinyl acetate and 1,8-cineole, directly relax the smooth muscle of the gastrointestinal tract through modulation of calcium channels in smooth muscle cells. This relaxation occurs throughout the digestive system, including the lower oesophageal sphincter, stomach, and intestines. By reducing smooth muscle tone and spasm, trapped gas can be easily expelled, and the mechanical pressure from gas accumulation is relieved. This makes cardamom highly effective for bloating, distension, belching, and flatulence. The aromatic compounds also stimulate peristalsis in a coordinated way, promoting normal gut motility rather than spasmodic contractions.
Antispasmodic:
Cardamom acts directly on smooth muscle tissue to reduce excessive contractions and cramping. The mechanism involves blocking calcium influx through L-type calcium channels, which are necessary for smooth muscle contraction. Studies demonstrate that cardamom can inhibit high-potassium-induced contractions in isolated smooth muscle preparations, confirming calcium channel blocking activity. This antispasmodic effect is beneficial throughout the body: in the digestive tract it relieves intestinal cramping and irritable bowel symptoms; in the respiratory system it eases bronchial spasm; in the cardiovascular system it promotes vasodilation and blood pressure reduction; and in the reproductive system it can ease menstrual cramps.
Aromatic Digestive Stimulant:
The intense aroma and pungent flavour of cardamom trigger a cascade of digestive responses even before the herb reaches the stomach. The aromatic compounds stimulate olfactory and gustatory receptors, which in turn activate the parasympathetic nervous system (the “rest and digest” response). This leads to increased salivation, preparing food for digestion, and signals the stomach to prepare gastric secretions. The aromatic principles also stimulate cholecystokinin (CCK) release, promoting bile secretion from the gallbladder and enhancing pancreatic enzyme production. This makes cardamom particularly valuable for poor appetite, weak digestion, and feelings of heaviness after meals. In Ayurvedic medicine, cardamom is considered one of the premier digestive kindlers (“dipana” in Sanskrit).
Anti-inflammatory:
Cardamom exerts powerful anti-inflammatory effects through multiple pathways. 1,8-Cineole, the second-most abundant volatile oil, is a potent anti-inflammatory agent that works by inhibiting the nuclear factor-κB (NF-κB) pathway. NF-κB is a master regulator of inflammation; when activated, it enters the cell nucleus and triggers production of pro-inflammatory cytokines including tumour necrosis factor-alpha (TNF-α), interleukin-6 (IL-6), and interleukin-1β (IL-1β). By preventing NF-κB phosphorylation and nuclear translocation, 1,8-cineole effectively “turns off” this inflammatory cascade at its source. Additionally, cardamom compounds inhibit cyclooxygenase-2 (COX-2) and inducible nitric oxide synthase (iNOS), both key inflammatory enzymes. Clinical studies demonstrate significant reductions in high-sensitivity C-reactive protein (hs-CRP), TNF-α, and IL-6 levels following cardamom supplementation in humans. The polyphenolic compounds provide additional anti-inflammatory activity through antioxidant mechanisms, neutralising reactive oxygen species (ROS) that drive oxidative stress and inflammation.
Antioxidant:
Cardamom’s polyphenols and flavonoids are potent free radical scavengers, protecting cells from oxidative damage. These compounds work by directly neutralising reactive oxygen species (ROS) and reactive nitrogen species (RNS), preventing lipid peroxidation, protein oxidation, and DNA damage. Additionally, cardamom enhances the body’s endogenous antioxidant defences by upregulating expression and activity of key antioxidant enzymes including superoxide dismutase (SOD), catalase (CAT), and glutathione peroxidase (GPx). Clinical studies show that cardamom supplementation (3g daily for 12 weeks) increases total antioxidant status by approximately 90% in humans. This powerful antioxidant activity contributes to cardioprotection, neuroprotection, and may reduce risk of chronic diseases associated with oxidative stress including cardiovascular disease, diabetes, and neurodegenerative conditions.
Cardiovascular Protective (Antihypertensive):
Cardamom demonstrates clinically significant blood pressure-lowering effects through multiple mechanisms. In clinical trials, 3 grams of cardamom powder daily for 12 weeks significantly reduced both systolic and diastolic blood pressure in individuals with stage 1 hypertension (p<0.001), with subjects experiencing a feeling of well-being without side effects. The mechanisms include:
(1) Calcium channel blockade–cardamom compounds directly block L-type calcium channels in vascular smooth muscle, reducing calcium influx and promoting vasodilation, which decreases peripheral vascular resistance;
(2) Nitric oxide (NO) regulation–1,8-cineole enhances endothelial NO production and availability, promoting vasodilation and improving endothelial function;
(3) Antioxidant effects–by reducing oxidative stress, cardamom preserves endothelial function and prevents oxidative degradation of nitric oxide, maintaining vasodilatory capacity;
(4) Cholinergic activity–some constituents may promote vasodilation through parasympathetic (cholinergic) activation;
(5) Diuretic effect–mild diuretic activity helps reduce blood volume;
(6) Angiotensin suppression–1,8-cineole may suppress angiotensin II activity, reducing vasoconstriction. Meta-analyses confirm cardamom’s effectiveness in reducing blood pressure, inflammatory markers (hs-CRP, IL-6), and improving overall cardiovascular health parameters.
Fibrinolytic (Blood Clot Prevention):
Clinical studies demonstrate that cardamom enhances fibrinolytic activity–the body’s natural ability to break down blood clots–without affecting fibrinogen levels or increasing bleeding risk. This effect reduces thrombosis risk and may contribute to cardiovascular protection by preventing pathological clot formation that can lead to heart attack or stroke. The mechanism likely involves enhancement of tissue plasminogen activator (tPA) activity.
Antimicrobial:
Cardamom essential oil demonstrates broad-spectrum antimicrobial activity against various bacteria, fungi, and viruses. The volatile oil compounds disrupt microbial cell membranes, causing leakage and cell death. Particularly notable is activity against oral bacteria including Streptococcus mutans (primary cause of dental caries) and Porphyromonas gingivalis (associated with periodontal disease), making cardamom valuable for oral health. The essential oil also shows activity against gastrointestinal pathogens including Escherichia coli, Salmonella species, and Candida albicans, supporting its traditional use for digestive infections. The antimicrobial effects are primarily attributed to 1,8-cineole, α-terpinyl acetate, and linalool, though synergistic effects amongst multiple compounds likely enhance activity.
Expectorant & Respiratory Support:
The volatile oils, particularly 1,8-cineole (eucalyptol), have well-documented expectorant and mucolytic properties. They thin respiratory mucus, making it easier to expectorate, and stimulate ciliary activity in the respiratory tract, promoting clearance of phlegm and irritants. The anti-inflammatory and antimicrobial effects support respiratory health during infections. Cardamom is traditionally used for cough, bronchitis, asthma, and sore throat.
Main Use
Cardamom’s primary use is as an aromatic digestive tonic and carminative for all types of digestive complaints, particularly those involving gas, bloating, poor appetite, and sluggish digestion. Its warming, stimulating nature makes it especially valuable for weak, cold digestion with lack of digestive fire.
Specifically indicated for:
Digestive Applications (Primary):
- Indigestion, dyspepsia, and feelings of fullness or heaviness after meals
- Excessive gas, bloating, and flatulence
- Poor appetite and weak digestive function
- Nausea and vomiting (including morning sickness)
- Intestinal cramping, colic, and irritable bowel syndrome (IBS)
- Bad breath (halitosis) due to digestive issues
Cardiovascular Applications:
- Stage 1 hypertension (mild high blood pressure) as complementary therapy
- Cardiovascular health support in metabolic syndrome
- Reduction of inflammatory cardiovascular risk factors
Respiratory Applications:
- Cough with thick, difficult-to-expectorate phlegm
- Bronchitis and chest congestion
- Sore throat and pharyngitis
- Asthma support (traditional use, as complementary therapy)
Oral Health:
- Prevention of dental caries
- Halitosis (bad breath)
- Support for healthy oral microbiome
Metabolic Support:
- Adjunctive support in prediabetes and type 2 diabetes
- Reduction of inflammatory markers in metabolic syndrome
- Support for healthy blood lipid profiles
Traditional Uses:
- Aphrodisiac and fertility support (traditional Ayurvedic use)
- Mental clarity and cognitive function
- Urinary tract support
Preparations
Culinary/Medicinal Spice:
The most common and accessible form. Crush 1-3 whole pods or use ¼-½ teaspoon freshly ground seeds in cooking, added to curries, rice dishes, chai tea, baked goods, or eaten after meals as a digestive aid (traditional practice in Indian cuisine). Chewing 1-2 seeds freshly extracted from pods after meals stimulates digestion and freshens breath.
Tea/Infusion:
Lightly crush 6-10 whole pods (or 1-2 teaspoons seeds) to expose seeds and release volatile oils. Pour 250ml boiling water over crushed pods, cover immediately (to prevent volatile oil loss), and steep 10-15 minutes. Strain and drink. For digestive complaints, drink warm 15-30 minutes before meals or after meals as needed. Often combined with other digestive spices (ginger, fennel, cinnamon) for enhanced effect.
Decoction (Traditional):
For more robust extraction. Place 2 teaspoons crushed seeds in 250ml cold water, bring to gentle boil, reduce heat and simmer covered for 10-15 minutes. Strain and drink. Up to 3 cups daily.
Tincture:
Fresh or dried seeds in 1:5 ratio with 60-70% alcohol (higher alcohol needed to extract volatile oils and resins). Remove seeds from pods, lightly crush, and macerate in alcohol for 4-6 weeks, shaking daily. Strain and bottle in dark glass.
- Adult dose: 1-3ml (20-60 drops), up to 3 times daily, taken in small amount of water before or after meals
Powder:
Grind whole seeds (removed from pods) in spice grinder or mortar and pestle immediately before use for maximum potency–ground cardamom loses volatile oils rapidly. Dose: ¼-½ teaspoon mixed in warm water, milk, honey, or food, 1-3 times daily. Can be encapsulated for convenience.
Chai/Spiced Milk (Traditional Ayurvedic):
Add 4-6 crushed cardamom pods along with other warming spices (cinnamon stick, 4-5 cloves, 1 inch fresh ginger, 6-8 black peppercorns) to 2 cups water. Bring to boil, reduce heat and simmer 10 minutes. Add 1 cup milk (dairy or plant-based) and optional black tea leaves. Heat gently (do not boil), strain, sweeten with honey if desired. Drink 1-2 cups daily. Excellent for digestion, respiratory support, and overall vitality.
Infused Honey:
Place 10-15 crushed cardamom pods (seeds exposed) in 250ml raw honey, stir well, and allow to infuse for 1-2 weeks at room temperature. Use 1 teaspoon as needed for sore throat, cough, or digestive upset, or stir into warm water or tea.
Essential Oil (External Use Only):
Cardamom essential oil is steam-distilled from seeds. Use highly diluted for aromatherapy or topical application only–never ingest essential oil directly. Dilute 1-2 drops in 5ml carrier oil (coconut, jojoba, almond) for digestive massage (massage over abdomen in clockwise direction) or add 2-3 drops to diffuser for respiratory support.
Dosage
Culinary/Medicinal Use (Whole Pods or Seeds):
- Adult: 1-3 whole pods crushed (or ¼-½ teaspoon seeds) per serving in food or tea, 1-3 times daily
- Therapeutic dose for cardiovascular support: 3 grams powder daily, divided into 2-3 doses (based on clinical studies)
Tea/Infusion:
- Adult: 6-10 crushed pods (or 1-2 teaspoons seeds) per cup, steep 10-15 minutes, up to 3 cups daily
- Children (6-12 years): 3-4 crushed pods per cup, 1-2 cups daily
Decoction:
- Adult: 2 teaspoons crushed seeds simmered per cup, up to 3 cups daily
Tincture (1:5, 60-70% alcohol):
- Adult: 1-3ml (20-60 drops), up to 3 times daily
- Children (6-12 years): 0.5-1ml (10-20 drops), 1-2 times daily
Powder (Freshly Ground):
- Adult: ¼-½ teaspoon (approximately 0.5-1 gram), 1-3 times daily
- Therapeutic dose: 1 gram (approximately ½ teaspoon), 3 times daily with meals (3g total daily)
Note: For cardiovascular benefits, clinical studies used 3 grams daily for 12 weeks. This is a higher dose than typical culinary use and should be approached gradually, starting with smaller amounts and increasing over 1-2 weeks.
Safety & Drug Interactions
General Safety:
Cardamom is extremely safe with an extensive history of culinary and medicinal use. It is Generally Recognised as Safe (GRAS) by the FDA for food use. Adverse effects are rare at normal culinary and therapeutic doses.
Pregnancy & Lactation:
Cardamom in normal culinary amounts is considered safe during pregnancy and lactation and is traditionally used in many cultures throughout pregnancy. However, therapeutic doses (3+ grams daily) during pregnancy have not been well-studied. As cardamom has potential emmenagogue properties (may stimulate menstrual flow) at very high doses, it is prudent to limit intake to normal culinary amounts during pregnancy. Moderate consumption (in food and tea) during lactation is considered safe and is traditionally thought to improve milk production and quality in Ayurvedic tradition.
Drug Interactions:
- Anticoagulants/Antiplatelets (warfarin (Coumadin), aspirin, clopidogrel (Plavix/Plavitor)): Theoretical interaction due to cardamom’s fibrinolytic activity. Whilst clinical studies showed enhanced fibrinolysis without changes in bleeding time or fibrinogen levels, caution is warranted with concurrent use of blood-thinning medications. Monitor INR if taking warfarin. Consult physician before combining.
- Antihypertensive medications: Cardamom lowers blood pressure; concurrent use with blood pressure medications may result in excessive blood pressure reduction (hypotension). Monitor blood pressure and adjust medications as needed with physician guidance.
- Lithium: Theoretical interaction due to potential diuretic effect, which could affect lithium excretion and levels. Monitor lithium levels if using cardamom therapeutically.
- Diabetes medications: May enhance blood sugar-lowering effects of medications. Monitor blood glucose and adjust medications as needed with physician guidance.
Contraindications:
- Gallstones: Cardamom stimulates bile flow; use caution with active gallstones as increased bile secretion could trigger gallstone movement and colic. Consult healthcare provider.
- Known allergy to Zingiberaceae family (ginger, turmeric, galangal): Avoid if allergic to related plants.
Adverse Effects:
Rare and typically mild:
- Allergic reactions: Very rare; includes skin rash, itching, or respiratory symptoms in sensitive individuals
- Digestive upset: Rare at normal doses; excessive consumption may cause nausea or stomach irritation in sensitive individuals
- Contact dermatitis: Essential oil may cause skin irritation in sensitive individuals when applied topically undiluted
Special Populations:
- Children: Safe in culinary amounts. Therapeutic doses should be reduced proportionally based on body weight.
- Elderly: Safe and well-tolerated. May be particularly beneficial for supporting digestion and cardiovascular health.
Quality Concerns:
- Bleached cardamom: Avoid white or pale cardamom that has been bleached with sulphur dioxide, which destroys some medicinal compounds and may cause adverse reactions in sensitive individuals
- Adulteration: Ensure purchasing from reputable sources; cheap cardamom may be adulterated with other seeds
Scientific Evidence
Cardiovascular Effects (Blood Pressure & Antioxidant):
Verma et al. (2009) conducted a clinical study with 20 newly diagnosed stage 1 hypertensive individuals who received 3g cardamom powder daily in two divided doses for 12 weeks. Results showed highly significant (p<0.001) reductions in systolic, diastolic, and mean blood pressure. Fibrinolytic activity significantly increased (p<0.05) by the end of 12 weeks, and total antioxidant status dramatically increased by 90% (p<0.05) by the end of 3 months. Importantly, blood lipids and fibrinogen levels were not significantly altered, and all subjects reported feeling of well-being without any side effects.
Meta-Analysis on Inflammation and Blood Pressure:
A systematic review and meta-analysis by Heydarian et al. (2024) examining randomised clinical trials found that cardamom supplementation significantly decreased diastolic blood pressure (weighted mean difference: -0.91 mmHg), high-sensitivity C-reactive protein (WMD: -1.21 mg/L), and interleukin-6 levels (WMD: -2.41 ng/L). The analysis concluded that cardamom effectively reduces inflammatory markers and blood pressure in adults with metabolic syndrome and related disorders.
Metabolic Effects:
Daneshi-Maskooni et al. (2017) conducted a randomised, double-blind, placebo-controlled trial with 80 overweight or obese prediabetic women who received either 3g green cardamom or placebo for 2 months. After intervention, mean total cholesterol (p=0.02) and LDL cholesterol (p=0.01) significantly decreased, and insulin sensitivity (p=0.03) increased in the cardamom group. Another study by Kazemi et al. (2017) showed cardamom supplementation improved inflammatory and oxidative stress biomarkers in hyperlipidaemic, overweight, and obese prediabetic women.
Mechanisms of Action:
Multiple studies have elucidated cardamom’s mechanisms. Gilani et al. (2008) demonstrated calcium channel antagonist activity, explaining antihypertensive and antispasmodic effects. Studies on 1,8-cineole (the second major constituent) show it inhibits NF-κB phosphorylation and nuclear translocation, downregulates COX-2 and iNOS expression, and reduces pro-inflammatory cytokines (TNF-α, IL-6, IL-1β). The compound also enhances endothelial nitric oxide production and improves cardiac systolic function, contributing to blood pressure reduction.
Antimicrobial Activity:
Agaoglu et al. (2005) and Khan et al. (2014) demonstrated cardamom essential oil’s antimicrobial activity against oral bacteria including Streptococcus mutans, supporting its traditional use for oral health and halitosis. Adiguzel et al. (2009) confirmed broad-spectrum antimicrobial effects against various Gram-positive and Gram-negative bacteria.
Gastroprotective Effects:
Jamal et al. (2006) demonstrated gastroprotective effects of cardamom in rat models, supporting its traditional use for digestive complaints.
Anti-inflammatory and Antioxidant (Preclinical):
Sengupta et al. (2005) showed that dietary cardamom inhibits formation of azoxymethane-induced aberrant crypt foci in mice and reduces COX-2 and iNOS expression in the colon, suggesting potential anti-carcinogenic properties. Numerous studies confirm cardamom’s ability to enhance endogenous antioxidant enzymes (SOD, CAT, GSH) and reduce oxidative stress markers.
Traditional Use Documentation:
Cardamom’s use in Ayurvedic, Unani, and Traditional Chinese Medicine for over 2,000 years for digestive complaints, respiratory ailments, and as an aphrodisiac is extensively documented in classical texts.
Limitations:
Whilst human studies on cardiovascular and metabolic effects are promising, most are relatively small and conducted in specific populations (primarily Iranian studies). More large-scale, multi-centre trials are needed. Much research on mechanisms relies on animal studies and in vitro work. Additional research is needed to confirm traditional uses for respiratory and cognitive effects in controlled clinical settings.
Western Energetics
Temperature: Warming (Hot). Cardamom is considered a heating spice that kindles digestive fire and dispels cold conditions. It warms the body, stimulates circulation, and increases metabolic activity. Indicated for cold, weak digestion with lack of appetite, cold extremities, and conditions associated with deficient internal heat.
Moisture: Drying. The aromatic volatile oils have a drying quality, helping to resolve excess dampness in the digestive system. Cardamom dries mucus and phlegm in both the digestive and respiratory tracts, making it valuable for conditions with excessive mucus production. However, the starch and mucilage content provide some buffering, preventing excessive drying irritation.
Tissue State: Primarily indicated for:
- Cold/Atony: Weak, sluggish digestion with poor appetite, lack of digestive secretions, feelings of heaviness and fullness, cold hands and feet
- Damp/Stagnation: Excessive gas, bloating, thick mucus in digestive or respiratory tracts, feelings of congestion and sluggishness
- Tension/Constriction (secondary): Intestinal cramping, IBS, bronchial spasm (antispasmodic action relieves spasm)
Cardamom is particularly valuable for individuals with cold, damp conditions–the person with weak digestion, poor appetite, feelings of heaviness after meals, excessive gas and bloating, and possibly thick white mucus. It is less suitable for hot, dry conditions with inflammation, thirst, and burning sensations, though the anti-inflammatory effects may still be beneficial in moderation.
Taste
Pungent (Primary): The dominant taste quality, derived from volatile oils. Pungency stimulates digestion, increases circulation, promotes sweating, and has a warming, dispersing quality. This connects to cardamom’s carminative, digestive-stimulating, and expectorant actions. In traditional medicine systems, pungent taste kindles digestive fire and disperses accumulations.
Sweet (Secondary): A subtle sweetness, particularly from α-terpinyl acetate, which has a floral, almost candy-like quality. The sweet taste is nourishing, building, and harmonising. It tempers the intensity of the pungency and makes cardamom appropriate for long-term use without being depleting.
Slightly Bitter (Tertiary): From polyphenolic compounds. Bitterness has a cooling, clearing quality and connects to cardamom’s anti-inflammatory and antipyretic properties, providing balance to the heating pungency.
The unique combination of primarily pungent with sweet and subtle bitter creates a complex flavour profile–warming but not burning, stimulating but not harsh, clearing but not depleting. This balanced taste profile makes cardamom one of the most versatile and highly prized spices in traditional medicine, suitable for a wide range of constitutions and conditions.
Plant Lore
Cardamom has been treasured for over 4,000 years, with evidence of use in ancient India dating to at least 2000 BCE. It is mentioned in ancient Sanskrit texts and was one of the ingredients in the Ayurvedic formulation “Trikatu” (three pungents), though more commonly used alone or with complementary spices.
The ancient Greeks and Romans prized cardamom highly, importing it at great expense via trade routes from India. It was used both medicinally and as a luxury perfume ingredient. Cardamom appears in the writings of Dioscorides (1st century CE) and other classical physicians. The Roman writer Pliny the Elder mentions cardamom as one of the most expensive spices, noting its digestive and aromatic properties.
In Arabian medicine, cardamom has been used for at least 1,500 years and features prominently in Unani (Greco-Arabic) medicine. It was considered an aphrodisiac and brain tonic, as well as a digestive aid. The famous 10th-century physician Avicenna (Ibn Sina) prescribed cardamom for digestive complaints and recommended it as an ingredient in tooth powders for oral health.
In Traditional Chinese Medicine, cardamom (白豆蔻, bai dou kou) has been used since at least the Tang Dynasty (618-907 CE). It is classified as a warm, acrid herb that enters the Spleen, Stomach, and Lung meridians. TCM uses cardamom to warm the middle burner, transform dampness, and promote qi movement, particularly for conditions of cold-dampness obstructing the Spleen and Stomach.
The name “cardamom” comes from the Greek “kardamomon,” which may derive from the Sanskrit “ela” (cardamom) combined with “amomum” (a class of aromatic plants). The genus name Elettaria also derives from the South Indian name for the plant.
In Indian culture, cardamom holds special significance. It is considered one of the most auspicious and sacred spices, used in religious ceremonies, offered to deities, and featured prominently in festival foods. The tradition of chewing cardamom pods after meals is both practical (aids digestion, freshens breath) and social (a gesture of hospitality). Cardamom is also a symbol of hospitality–serving cardamom-spiced tea or coffee to guests is a traditional welcoming gesture throughout the Middle East and South Asia.
In medieval Europe, cardamom was incredibly expensive and reserved for the very wealthy. It appears in various medieval medical texts and was used to make luxury liqueurs and digestive cordials. The famous medieval spice blend “hypocras” (spiced wine) often contained cardamom.
Cardamom features in Norse mythology and medieval Scandinavian culture, where it was introduced by Vikings returning from trading expeditions to Constantinople. It became a traditional ingredient in Scandinavian baking, particularly in Swedish cardamom buns (kardemummabullar) and Finnish pulla bread, reflecting the high value placed on this exotic spice.
The epithet “Queen of Spices” (with black pepper being the “King”) reflects cardamom’s prized status, complex flavour profile, and wide-ranging medicinal applications.
Interesting Fact: Guatemala, a small Central American country, now produces over 50% of the world’s cardamom supply, having overtaken India in production in recent decades. The plant was introduced to Guatemala in the early 20th century and thrived in the highland regions.
Additional Information
Buying & Storage:
Purchase cardamom in whole pods rather than ground seeds whenever possible. Whole pods protect the volatile oils from degradation and can be stored for 1-2 years in airtight containers away from light and heat. Ground cardamom loses potency rapidly–within weeks–due to volatile oil evaporation. If purchasing ground cardamom, buy small quantities and use quickly, or grind your own as needed. Look for plump, pale green pods (avoid bleached white pods). Pods should feel slightly heavy and have a strong, sweet aroma when crushed.
In New Zealand:
- Whole pods: Available at Indian grocery stores, speciality spice shops, and some supermarkets in various sizes depending on quality
- Ground cardamom: Widely available in supermarkets (loses potency quickly)
- Seeds removed from pods: Sometimes available at Indian grocers
- Essential oil: Available at aromatherapy shops and online
For best value and quality, purchase from Indian grocery stores where turnover is high and cardamom is fresher.
Varieties:
- Green/True Cardamom (Elettaria cardamomum): The variety covered in this monograph, considered superior for both culinary and medicinal use
- Black Cardamom (Amomum subulatum): Larger, dark brown pods with a smoky, camphoraceous flavour; used primarily in savoury dishes; different medicinal properties (more warming, used for respiratory complaints and cough); not interchangeable with green cardamom
- White Cardamom: Bleached green cardamom; avoid for medicinal use as bleaching destroys some compounds
Combining with Other Herbs:
Cardamom combines well with:
- Ginger: Enhanced digestive stimulation, nausea relief, warming effect
- Fennel: Complementary carminative for gas and bloating
- Cinnamon: Enhanced warming, digestive kindling, cardiovascular support
- Black Pepper: Increased bioavailability of compounds (traditional in Ayurveda)
- Clove: Enhanced antimicrobial activity, dental health
- Coriander seed: Balanced digestive support with cooling qualities
Culinary Tip:
To extract maximum flavour and medicine, lightly toast whole cardamom pods in a dry pan over medium heat for 1-2 minutes until fragrant (do not burn), then cool and crush. This releases volatile oils and enhances therapeutic activity.
Sustainability Note:
Cardamom cultivation, particularly in Guatemala, has raised sustainability concerns including deforestation and use of synthetic pesticides. When possible, purchase organic, fair-trade cardamom to support sustainable farming practices and fair wages for farmers. Indian-grown cardamom from Kerala, especially organic varieties, often has better environmental and social practices.
Sources
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Heydarian, A., et al. (2024). Effect of cardamom consumption on inflammation and blood pressure in adults: A systematic review and meta-analysis of randomised clinical trials. Food Science & Nutrition, 12(1), 29-40.
Daneshi-Maskooni, M., et al. (2017). The effect of cardamom supplementation on serum lipids, glycaemic indices and blood pressure in overweight and obese pre-diabetic women: A randomised controlled trial. Journal of Diabetes & Metabolic Disorders, 16, 40.
Kazemi, S., et al. (2017). Cardamom supplementation improves inflammatory and oxidative stress biomarkers in hyperlipidaemic, overweight, and obese pre-diabetic women: A randomised double-blind clinical trial. Journal of Diabetes & Metabolic Disorders, 16, 21.
Gilani, A. H., et al. (2008). Gut modulatory, blood pressure lowering, diuretic and sedative activities of cardamom. Journal of Ethnopharmacology, 115(3), 463-472.
Agaoglu, S., et al. (2005). The effect of cardamom (Elettaria cardamomum Maton) on oral bacteria. Yuzuncu Yil University Journal of the Faculty of Veterinary Medicine, 16(1), 83-85.
Jamal, A., et al. (2006). Gastroprotective effect of cardamom, Elettaria cardamomum Maton. fruits in rats. Journal of Ethnopharmacology, 103(2), 149-153.
Sengupta, A., Ghosh, S., & Bhattacharjee, S. (2005). Dietary cardamom inhibits the formation of azoxymethane-induced aberrant crypt foci in mice and reduces COX-2 and iNOS expression in the colon. Asian Pacific Journal of Cancer Prevention, 6(2), 118-122.
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Disclaimer: This monograph is for educational purposes only and is not medical advice. Please consult with a qualified healthcare practitioner before using any herbal remedy, especially if you are pregnant, nursing, taking medication, or have a known medical condition. Cardamom is generally very safe at culinary doses, but therapeutic doses should be approached with appropriate guidance, particularly in individuals taking cardiovascular or diabetes medications.

