Fermented Beverages – Ayurved Healing

Fermented Grain Drinks in Ayurveda: Sura, Maireya, and the Therapeutic Use of Fermented Beverages

Rohan Kapoor — Fri, 05 Jun 2026 07:30:00 +0000

When I first encountered Ayurveda’s discussions of fermented beverages, the most striking feature was not a single recipe but the range of distinctions the texts make. The Charaka Samhita does enumerate eighty-four selected asava preparations, but it does not present them as eighty-four grain drinks arranged like a modern pharmaceutical catalogue. In Sutra Sthana 25, the number arises from source materials drawn from grains, fruits, roots, pith or heartwood, flowers, branches, leaves, bark, and sugar. Charaka also states that further combinations of ingredients and processing methods could produce innumerable variations.

The classical literature therefore treats fermentation as both food processing and medicine-making. It distinguishes cereal-derived intoxicating drinks, sour grain ferments, and self-fermented herbal formulations. It also treats alcohol as a substance whose effects change with its ingredients, preparation, age, quantity, timing, accompanying food, the drinker’s strength, and habituation. These are traditional Ayurvedic descriptions rather than modern clinical proof, but they demonstrate close attention to preparation, individual suitability, and the consequences of misuse.

Where the Classical Material Actually Appears

The principal Charaka passages are distributed across Sutra Sthana 25, which enumerates the selected asavas; Sutra Sthana 27, whose Madya Varga compares fermented and sour preparations; and Chikitsa Sthana 24, which discusses appropriate drinking, intoxication, susceptibility, and treatment of madatyaya. The Sushruta Samhita discusses liquid substances, including fermented beverages, in Sutra Sthana 45—not in Sharira Sthana.

Term	Verified Description	Important Correction
Asava	A broad self-fermented preparation. Charaka lists several possible source materials and says its effects depend on the ingredients and processing.	The eighty-four selected asavas are not all grain beverages or eighty-four fully standardized modern recipes.
Sura	A cereal-derived alcoholic preparation, commonly associated in later Ayurvedic pharmaceutic descriptions with cooked grain and a fermenting starter.	Charaka Chikitsa Sthana 24 does not give the claimed sesame-oil recipe or a universal three-to-seven-day fermentation schedule.
Prasanna	The clear upper or supernatant portion associated with sura in Ayurvedic pharmaceutic literature.	It is not simply rice-cooking water left overnight.
Arishta	A medicated fermented preparation. In later pharmaceutical usage, the principal herbs are generally first prepared as a decoction and fermented with a sweetening material.	Its therapeutic indication depends on the complete formula, not on fermentation alone.
Asava in later pharmacy	Generally prepared without first converting the principal herbal material into a decoction; the exact liquid, herbs, sweetening agent, and fermentation procedure vary by formula.	Defining every asava as fermented raw herbal juice is too narrow.
Kanjika or Dhanyamla	A sour fermented cereal liquid described separately from intoxicating grain beverages.	A modern carrot-and-mustard kanji recipe should not be presented as a verbatim classical formula without a textual source.

Sura and the Meaning of Madya

Madya is a broad term for intoxicating fermented drink, whereas sura is one cereal-derived member of that larger group. Charaka’s Madya Varga separately discusses sura, madira, jagala, arishta, maireya, dhātakyasava, sauviraka, tushodaka, and amla-kanjika. The text describes maireya as sweet and heavy, while dhātakyasava is listed separately and described as mild, dry, and appetizing. Maireya therefore cannot be defined simply as barley fermented with Dhataki flowers.

Charaka states that fresh liquor is generally heavy and liable to aggravate the doshas, whereas properly aged liquor is described as lighter, appetizing, digestive, and channel-clearing. In Chikitsa Sthana 24, madya is assigned ten qualities: laghu, ushna, tikshna, sukshma, amla, vyavayi, ashu, ruksha, vikashi, and vishada. The same chapter warns that alcohol used improperly or excessively can act like poison.

The text also recognizes differences in susceptibility. It describes hungry, thirsty, weak, emaciated, exhausted, angry, frightened, and unaccustomed individuals, as well as those taking little or dry food, as liable to become intoxicated rapidly. Classical Ayurveda consequently does not treat fermented alcohol as a universally strengthening or digestion-promoting substance. Quantity, context, constitution, strength, food, and habituation remain essential considerations.

Asava, Arishta, and the Role of Dhataki

In later Ayurvedic pharmacy, asava and arishta are self-fermented herbal dosage forms. A fermentable carbohydrate source such as jaggery, sugar, or honey supports microbial activity and generates ethanol within the preparation. The self-generated ethanol can assist the extraction of both water-soluble and alcohol-soluble constituents and contributes to preservation. The ingredients, proportions, vessel, duration, and quality-control requirements must nevertheless be taken from the authoritative formula for the individual medicine; a single thirty-day fermentation rule cannot be applied to every asava or arishta.

Dhataki flowers, obtained from Woodfordia fruticosa, occur in many but not all asava-arishta formulations. Laboratory investigations have isolated alcohol-producing yeasts and other microorganisms from the flowers and indicate that this associated microbial community can assist fermentation. It is therefore reasonable to describe Dhataki as a traditional fermentation aid where a formula includes it. It is not accurate to describe the flowers merely as a packet of “fermentation enzymes,” nor does the detection of compounds such as ellagic acid prove a particular clinical benefit in every finished medicine.

Each named asava or arishta remains a distinct formulation with its own ingredients, processing instructions, dose, and traditional indications. Fermentation alone does not make different products interchangeable. Manufacturing quality also matters. An analytical investigation of marketed Kumaryasava and Mustakarishta samples reported variation in measured ethanol values and emphasized the need for appropriate standardization and quality control.

What Modern Fermentation Science Can—and Cannot—Confirm

Fermentation may involve lactic-acid bacteria, yeasts, or mixed microbial communities, depending on the substrate, starter, temperature, time, hygiene, and other processing conditions. It can change acidity, flavour, preservation, nutrient availability, and plant chemistry. However, the word “fermented” does not automatically mean “probiotic.” Scientific consensus reserves the term probiotic for identified live microorganisms that have been shown, in adequate amounts, to confer a health benefit.

Microbial identity matters: Sour taste, bubbles, or a traditional name cannot establish which species or strains are present, whether they remain alive, or whether they are safe.
Health effects are product-specific: Findings from one controlled ferment cannot automatically be transferred to sura, kanjika, rice water, or a medicated asava-arishta.
Nutritional claims require analysis: Fermentation may alter vitamins, starches, amino acids, and other compounds, but it does not guarantee clinically important quantities or effects.

No verifiable 2018 systematic review was located that matched the original claim that traditional Asian grain beverages broadly demonstrated anti-inflammatory, immune-modulatory, and gut-protective effects in humans. Reviews of fermented foods support their microbial diversity and research potential, but evidence for clinical outcomes remains dependent on the particular food, organisms, process, dose, and population studied. Classical terms such as dipana and vata-shamana should not be translated directly into unproven claims about microbiome diversity, intestinal permeability, or probiotic efficacy.

Kanjika Is Not the Same as Every Modern Kanji Recipe

The carrot, mustard, salt, grain, and water recipe supplied in the original article was not verified as a formula from the Ashtanga Hridaya. Classical amla-kanjika, dhanyamla, sauviraka, and tushodaka belong to a vocabulary of sour cereal preparations and are discussed separately. Charaka describes amla-kanjika as sour and attributes appetizing, digestive, and laxative actions to it, while sauviraka and tushodaka receive their own descriptions. A household vegetable ferment may be a legitimate culinary tradition without being relabelled as an exact classical prescription.

Why Overnight Fermented Rice Water Was Removed

The proposed “Prasanna” method—leaving cooked rice water at room temperature for twelve to twenty-four hours and drinking it—was not supported by the cited classical material and introduces a food-safety concern. Cooked rice can contain surviving spores of Bacillus cereus. The longer cooked rice or its starchy water remains at room temperature, the greater the opportunity for bacterial multiplication and toxin formation. Sourness, effervescence, smell, or appearance cannot verify that an uncontrolled household ferment is microbiologically safe.

The claimed 2020 study reporting improved intestinal-flora diversity and reduced intestinal-permeability markers in adults with irritable bowel syndrome after fermented rice water could not be verified in the named journal and has been removed. Without an identifiable paper, authors, DOI, or trial record, it should not be used to support a therapeutic recommendation.

For related reading on Ayurvedic digestive health, see our post on Ayurvedic digestive health. For culinary fermentation, see our post on Ayurvedic pickling and achar preparations. For information about Triphala, see our Triphala complete guide; Triphala should not be assumed to be a necessary companion to fermented preparations unless a qualified practitioner recommends it.

Fermented Ayurvedic medicines may contain self-generated alcohol and should be taken only in the labelled dose under the guidance of a qualified Ayurvedic physician or other appropriate healthcare professional. Avoid alcohol-containing preparations during pregnancy, with alcohol-related liver disease, before driving, or together with medicines that may interact with alcohol unless a clinician has specifically approved their use. Purchase licensed products, inspect the full ingredient and dosage information, and do not replace prescribed treatment with an uncontrolled home ferment.

Actionable tip: Instead of preparing overnight rice-water “Prasanna,” first identify the exact substance being considered. Is it an ordinary food ferment, a historical madya, or a licensed asava-arishta medicine? For a medicinal product, review the complete label, ingredients, dose, alcohol declaration where provided, contraindications, and current medicines with a qualified practitioner. This follows the classical emphasis on substance, processing, quantity, timing, strength, food, and individual suitability without converting an unverified household experiment into therapy.

References

Fermented Ayurvedic Beverages: Making Sura, Medaka, and Arishta at Home

Rohan Kapoor — Sat, 16 May 2026 07:30:00 +0000

My grandmother fermented many foods and drinks. She did not speak about probiotics or the gut microbiome; she worked from household knowledge passed through Kerala kitchens. Rice batters soured, curd set, and mixtures changed slowly in clay or glass vessels. Formal study later taught me an important distinction: a household ferment is not automatically a classical Ayurvedic medicine. A named asava, arishta, or takrarishta has a defined formula, process, quality profile, and therapeutic context.

Classical Ayurvedic literature discusses fermented liquids, but several popular claims are inaccurate. Charaka Samhita, Kalpasthana 12 is Dantidravanti Kalpa, centred on purgative formulations made with Danti and Dravanti; it is not a chapter listing 84 medicated wines. I also could not verify that the Ashtanga Hridaya presents “Sandhi Kalpana” as a separate pharmaceutical discipline. The standard later pharmaceutic term is Sandhana Kalpana. The clearest standardized definitions and manufacturing directions are in the Government of India’s Ayurvedic Formulary of India (AFI).

Why Fermented Preparations? The Verified Rationale

The AFI defines asava and arishta as medicinal preparations in which prescribed drugs remain in a sugar-, jaggery-, or honey-containing liquid for a specified period and undergo fermentation that generates alcohol. The formulary says this alcohol assists extraction of constituents and acts as a preservative. It does not state that every ferment has proven superior clinical bioavailability or reaches “fine channels” inaccessible to decoctions.

Arishta and asava differ: an arishta is normally based on a strained herbal decoction, whereas an asava generally adds the prescribed powders to a sweetened liquid without first preparing that decoction.
The process is formula-specific: the liquid, sweetener, herbs, vessel, fermentation period, temperature, and finishing tests must follow the recognized formula.
Alcohol cannot be guessed: marketed products have shown variable ethanol content, so licensed manufacture and quality control matter.
Fermented does not automatically mean probiotic: a probiotic must contain identified living microorganisms, at an adequate dose, with a demonstrated health benefit.

No universal dosha effect applies to every fermented medicine. Action depends on the full formula, dose, patient, disease stage, digestive strength, and diet—not on sour taste alone.

Formula 1: Draksharishta

Draksharishta is an official fermented formulation in the AFI, sourced there to Sharngadhara Samhita, Madhyama Khanda 10.69–72½. Draksha, dried Vitis vinifera fruit, is its principal drug. The AFI formula differs materially from casual internet recipes, so raisins, jaggery, kitchen spices, and commercial yeast should not be combined and labelled “classical Draksharishta.”

The official monograph uses a Draksha decoction reduced to a prescribed volume, then adds guda and the listed prakshepa dravyas: Tvak, Ela, Patra or Tejapatra, Nagakesara, Priyangu, Maricha, Krishna or Pippali, Vidanga, and Dhataki. Dried ginger is not in that AFI list. Vessel preparation, sealing, temperature control, assessment of fermentation, settling, filtration, and bottling are controlled pharmacy steps, not a simplified home method.

The AFI gives 12–24 ml as general adult professional guidance and records traditional uses including agnimandya (digestive impairment), kasa (cough), svasa (breathing difficulty), daurbalya (weakness), and gala roga (throat disorders). These are traditional indications, not modern proof that the product treats asthma, tuberculosis, anaemia, or another diagnosed disease. A laboratory standardization study reported physicochemical and chromatographic markers, but a quality-control study is not a clinical efficacy trial.

Dhataki is not interchangeable with wheat bran, date paste, or baker’s yeast. The Ayurvedic Pharmacopoeia of India identifies it as the flowers of Woodfordia fruticosa (L.) Kurz and records katu-kashaya rasa, laghu guna, shita virya, and katu vipaka. One published study found that the flowers influenced fermentation but were not themselves the source of alcohol-producing microorganisms in that experiment; calling Dhataki simply a packet of “wild yeast” is inaccurate.

The scanned AFI edition consulted displays different Dhataki quantities in its ingredient table and special note. Pharmacies should therefore use the current authorized standard and validated records rather than casually scaling the scan.

Classical Term 2: Medaka and Sura

The proposed “Medaka recipe” of cooked rice, jaggery, cumin, dry yeast, and five-to-seven-day fermentation could not be verified with that composition, alcohol range, dose, or indication. It has therefore been removed. Pharmaceutical literature generally describes Medaka as a denser lower fraction associated with sura, rather than a standardized bottled medicinal rice beer.

Charaka Samhita, Grahani Chikitsa 15.212–213, mentions properly employed arishta, sura, and asava among physician-selected measures for supporting agni. It does not authorize a universal home dose for appetite or constipation. A homemade batch also cannot be promised to remain at 2–4% alcohol without testing.

Formula 3: Takrarishta

Takrarishta is described in Charaka Samhita, Grahani Chikitsa 15.120–121. The formula combines Yavani, Amalaki, Pathya or Haritaki, Maricha, and five salts as powders in Takra and allows the mixture to undergo fermentation. The text calls it dipana and lists traditional indications including shotha, gulma, arsha, krimi, meha, and udara.

This is not the same as leaving buttermilk, jaggery, cumin, ginger, pepper, curry leaves, and salt on a counter for 24–48 hours. Claims that such a drink necessarily contains under 0.5% alcohol, keeps safely for a week, or is a classical treatment for modern “IBS and haemorrhoids” were not verified. Classical terms such as grahani and arsha should not be treated as exact synonyms for modern diagnoses.

Takra varies with churning, dilution, and butter removal. Avoid it in milk allergy; lactose intolerance requires individual assessment because fermentation may reduce but does not necessarily remove lactose.

Safety and Contraindications

Fermented Ayurvedic medicines may contain alcohol, residual sugars, and herbs that interact with medicines. Safety cannot be inferred from “natural,” “traditional,” or “self-generated.” These screening cautions do not replace individualized medical assessment.

Situation	Concern	Guidance
Pregnancy or trying to conceive	No safe amount of alcohol in pregnancy has been established.	Avoid alcohol-containing preparations unless the obstetric healthcare professional reviewing the exact product advises otherwise.
Liver disease or alcohol-use disorder	Alcohol exposure may be inappropriate.	Do not self-prescribe asava, arishta, or sura; discuss the product and alcohol content with the treating clinician.
Medicines	Alcohol can interact with many prescription, over-the-counter, and herbal products.	Ask a physician or pharmacist to check the full medicine list.
Diabetes	Jaggery, sugar, honey, and residual carbohydrate may be present.	Use only with professional advice and reliable product information.
Children or homemade products	Adult doses are unsuitable, while alcohol level and contamination cannot be judged by taste or bubbles.	Use only a child-specific prescription; never substitute an improvised ferment for a tested formulation.

The blanket claim that all asavas and arishtas are classically contraindicated in every fever, bleeding disorder, pregnancy, and every child under 12 could not be verified as one general rule. Contraindications are formula- and patient-specific. Consult a qualified Ayurvedic practitioner and an appropriate healthcare provider before therapeutic use. Never delay medical evaluation of breathing difficulty, bleeding, persistent fever, weight loss, severe abdominal symptoms, or another potentially serious condition.

Sourcing and Quality-Control Notes

Choose a licensed manufacturer that identifies the formula, ingredients, batch number, manufacturing and expiry dates, dose, cautions, and applicable alcohol declaration. A study of marketed fermented Ayurvedic products found significant variation in ethanol content and raised manufacturing-compliance concerns. Brand reputation alone cannot prove that a particular batch uses the correct formula or meets quality standards.

The AFI requires cleanliness and describes the finished liquid as clear, without surface froth, not improperly sour, and with an aromatic alcoholic odour. These observations do not replace tests for identity, microbial quality, ethanol, and stability. Follow labelled storage and expiry information.

What Modern Research Does and Does Not Establish

Modern publications include reviews, laboratory fermentation studies, chromatographic standardization, microbial studies, and alcohol measurements. They can improve manufacturing and quality assessment, but they do not by themselves prove that a formulation is probiotic, heals the gut microbiome, improves absorption in patients, or treats a modern disease. Those claims require well-designed studies of the exact standardized product.

Official formularies document fermented Ayurvedic medicines, but textual authority does not validate invented recipes and laboratory chemistry does not equal clinical proof. Use an authenticated product and qualified clinical guidance rather than home experimentation.