Citron (Citrus medica)
Citrus medica
Ayurvedic Herbalism
Ayurvedic Herbalism

Citron

Citrus medica

Also known as citron fruit, Buddha's hand (fingered variety), cedrat, Matulunga, Bijapura, Bijapuraka.

WarmingTaste: SourTaste: SweetTaste: PungentTaste: Aromatic

Citrus medica is a small thorny evergreen tree of the citrus family, one of the original wild citrus species and the ancestor of the lemon, native to the foothills of northeast India and cultivated for millennia across India, the Mediterranean and China for its large, knobbly, thick-rinded, intensely fragrant fruit. Ayurveda calls it Matulunga or Bijapura and uses the sour pulp, the aromatic rind and the root as a digestive, antiemetic and carminative, a first remedy for nausea, hiccup and loss of appetite. It appears in the Charaka Samhita among the fruits that kindle digestion and settle vata, and its fingered variety is the Buddha's hand citron of East Asian temples.

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CarminativeAromatic digestiveAntiemeticAntispasmodicAppetite stimulantExpectorantAntimicrobialAntioxidantAnthelmintic (seed, traditional)Cardiotonic (traditional)

Indications what the tradition reached for it in

Specific indications

A vata patient with no appetite, a bad taste in the mouth, gas and gurgling after meals and a tendency to nausea, who brightens with something sour and aromatic

Nausea of early pregnancy or of travel that responds to a sip of sour juice with a pinch of salt and honey

Hiccup that will not stop after a meal or in a febrile patient, where the root decoction or juice is the classical remedy

The heavy, hung-over morning with nausea, headache and a coated tongue

Safety

The record lists 6 contraindications; open the plate in the library to read them in full.

In practice

The Ayurvedic physician turns to Matulunga for the disturbed stomach. The juice of the pulp with honey and rock salt is given for aruchi, chardi and hikka; the same juice is the anupana for many powders in vata disorders because it kindles agni without heating too much.

In Ayurveda

Rasa: pulp amla (sour), madhura (sweet); rind katu (pungent), tikta (bitter). Virya: ushna (heating). Vipaka: amla (sour) for the pulp; katu (pungent) for the rind. Guna: laghu (light), snigdha (unctuous) for the pulp; laghu and ruksha for the rind. Dosha: pacifies vata and kapha; the sour pulp increases pitta in excess, the rind less so. Karma: deepana (kindles digestion); pachana (digestive); rochana (improves taste); hridya (cardiotonic, pleasing to the heart); kanthya (benefits throat and voice); shulahara (relieves colic); chardinigrahana (relieves vomiting); hikkanigrahana (relieves hiccup); shvasahara (relieves dyspnea); anulomana (regulates downward movement of vata); krimighna (anthelmintic, seed); vatanulomana (settles vata). Classical indications: agnimandya (weak digestion); aruchi (loss of taste); chardi (vomiting); hikka (hiccup); shvasa (dyspnea); kasa (cough); shula (colic); gulma (abdominal masses, bloating); arsha (hemorrhoids); kantharoga (throat disease); trishna (thirst); hridroga (heart disease); mada (intoxication, hangover); krimi (parasites). The whole fruit is used in parts: the sour pulp and juice with honey, rock salt or sugar as a digestive and antiemetic drink; the thick aromatic rind dried and powdered or candied as a carminative; the root decocted for hiccup, vomiting and worms; the leaves for headache and as a fragrant wash. The juice is a common anupana and the fruit is made into pickles and the sour drink called shadava. Classical formulations: Matulunga swarasa with honey and saindhava, Matulungadi kwatha, Bijapuradi churna, Matulunga mula kwatha, Shadava (classical sour beverage), Matulunga rasayana (regional). Described in: Charaka Samhita, Sushruta Samhita, Ashtanga Hridaya, Bhavaprakasha Nighantu, Dhanvantari Nighantu, Raja Nighantu, Kaiyadeva Nighantu, Madanapala Nighantu, Ayurvedic Pharmacopoeia of India.

Dosing as the sources wrote it

PreparationAs writtenMetric
Swarasa10-20 mL fruit juice with honey and a pinch of rock salt once or twice daily10-20 mL
Churna (rind)1-3 g powdered rind twice daily with warm water1000-3000 mg
Kwatha (root)30-60 mL root decoction twice daily30-60 mL
Phanta (rind infusion)100-150 mL infusion of 2-3 g dried rind twice daily100-150 mL

Doses are reproduced from the sources for practitioners and are not a recommendation for any person.

From the sources

Overview. Citrus medica is a small thorny evergreen tree of the citrus family, one of the original wild citrus species and the ancestor of the lemon, native to the foothills of northeast India and cultivated for millennia across India, the Mediterranean and China for its large, knobbly, thick-rinded, intensely fragrant fruit. Ayurveda calls it Matulunga or Bijapura and uses the sour pulp, the aromatic rind and the root as a digestive, antiemetic and carminative, a first remedy for nausea, hiccup and loss of appetite. It appears in the Charaka Samhita among the fruits that kindle digestion and settle vata, and its fingered variety is the Buddha's hand citron of East Asian temples.

Ayurvedic Profile. Rasa: pulp amla (sour), madhura (sweet); rind katu (pungent), tikta (bitter). Virya: ushna (heating). Vipaka: amla (sour) for the pulp; katu (pungent) for the rind. Guna: laghu (light), snigdha (unctuous) for the pulp; laghu and ruksha for the rind.

In formulas

Citron stands in 5 documented formulas in the library, among them Dādhika Ghṛta, Citrakādi Cūrṇa, Hingvādi Cūrṇa, Kāṅkāyana Guṭikā, Kṣāra Taila.

Often paired with

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