LAISHA · DRAVYAGUNA

Hingu

हिङ्गु

Ferula assa-foetida L.

Apiaceae · Ferula

Benefits & side effects

TRADITIONAL VIEW, WITH SAFETY LIMITS

What the texts say Hingu does

What the evidence says. Traditional use is extensive and long recorded. Modern clinical evidence is limited.

Side effects and limits

Avoid or ask first: Infants.; Pregnancy, in medicinal quantity.; Wheat allergy or coeliac disease, unless the carrier is confirmed.

A traditional classification, not a recommendation. The full safety record is below.

Stands in 8 groups

A Samhita can only be read forwards, from the group to its members. This is the same list read backwards.

Photographs

Matra and anupana

AS THE CLASSICAL TEXTS AND THE API PRESCRIBE

Shodhita churna125–500 mg
AnupanaUshnodaka · Takra · Ghrita
KalaAdhobhakta

Fried in ghrita before use — that IS the shodhana. Raw hingu is harsh.

Reported from Sharangadhara Samhita and the Ayurvedic Pharmacopoeia of India. Laisha states what the texts prescribe; it does not recommend. No quantity here is adjusted for a particular person — not for agni, koshtha, bala, age, pregnancy, kidney or liver function, or anything already being taken.

Rasapanchaka

Rasa
Katu
Guna
LaghuSnigdhaTikshna
ViryaUshna
VipakaKatu
PrabhavaThe texts treat hingu as the chief dravya for vatanulomana — moving vata downward — and it is named for colic and for wind more than any other single article.
DoshakarmaKaphavatahara. Being ushna and tikshna it increases pitta.

A single rasa, katu, with ushna virya and katu vipaka.

Karma and part used

DeepanaPachanaVatanulomanaShoolaprashamanaKrimighnaHridya

These are the actions the classical texts record. They are statements about what the tradition holds, and this library does not restate them as findings about a human body.

Upayukta angaNiryasa (the oleo-gum-resin)
Why it mattersThe dravya is the resin that exudes from the cut root and rootstock. Pure resin is rarely sold; what reaches a kitchen is compounded with a carrier, which the adulterants note explains.

Paryaya

RamathaSahasravedhiBahlikaJatukaUgragandha

Sahasravedhi, piercing a thousand things, describes how the smell penetrates everything near it. Bahlika records that it came from Balkh, in what is now Afghanistan — the name is a trade route written into a word.

Names, by language

EnglishAsafoetida
SinhalaPerunkayam
NepaliHing
HindiHing
KannadaIngu
TamilPerungayam
TeluguInguva
MalayalamKayam
MarathiHing
GujaratiHing
BengaliHing
PunjabiHing
OdiaHengu
UrduHing

Classical references

Charaka Samhita
Sutrasthana, chapter 4 (Shadvirechanashatashritiya)
Hingu is named among the dravya of the chapter and grouped with those that kindle digestion.
Bhavaprakasha Nighantu
Haritakyadi Varga
Gives the rasa, guna, virya and vipaka of hingu.
Sushruta Samhita
Sutrasthana, chapter 38 (Dravyasangrahaniya)
Included among the dravya grouped by action.

Rasa, guna, virya, vipaka and karma are recorded as the classical texts give them, with the text and section named so a student can open the book and check. Where an exact chapter and verse could not be confirmed, this library names the section rather than inventing a number.

Formulations it appears in

Hingvashtaka ChurnaHingu is the dravya the formulation is named for, with eight ingredients.
Hingu Triguna TailaNamed for the dravya.
Shankha VatiAmong the dravya of the formulation.

Adulterants and substitutes

Almost nothing sold as hing in India is pure resin. Compounded hing — resin blended with wheat flour or gum arabic — is the normal commercial article and is sold honestly as such, which matters for anyone avoiding wheat, because the carrier is usually wheat flour and the label does not always say so. Beyond that, resin of other Ferula species is substituted, and the strength of what reaches a kitchen varies by an order of magnitude.

Identity

Matched live against the GBIF backbone on 28 September 2026 at 99 per cent confidence. Like guggulu, the dravya is not the plant but what bleeds from it. Almost none of it is produced in India — it comes from Iran and Afghanistan — despite being one of the most characteristic ingredients of Indian cooking.

A WAY TO REMEMBER IT

Ferula is the Latin giant fennel, whose hollow stalk was used as a rod. Assa-foetida is Persian aza (resin) + Latin foetida (stinking). The name says: a stinking resin from a fennel-like giant.

What the tradition holds

Hingu is described in the Bhavaprakasha Nighantu and is named throughout the classical literature for wind and colic. That is what the tradition holds and where it is written down, not a finding about what the resin does in a body.

Constituents. The resin carries sulphur compounds, chiefly disulphides, which give it its smell, along with ferulic acid esters and coumarins.

What the evidence says

StatusTraditional use is extensive and long recorded. Modern clinical evidence is limited.
SuggestedHealth Canada publishes monographs covering Ayurvedic ingredients and permits specific traditional-use claims, which reflects a regulator accepting a documented tradition rather than a body of clinical trial evidence.
Not establishedThere is not enough good clinical evidence to establish an effect on any named health condition. Long traditional use is not a substitute for that evidence, and this library does not present it as one.
The honest gapPublished work uses material of very variable resin content, and compounded hing is mostly carrier by weight.

Safety

Eaten daily in tiny quantities across India with no serious harm documented at culinary use. Two practical cautions matter. Compounded hing usually contains wheat flour, which anyone with coeliac disease or a wheat allergy needs to know. And asafoetida has been reported to cause methaemoglobinaemia in infants, which is why it is not given to babies — a traditional practice of applying it to an infant's abdomen for colic is specifically not recommended here. Anyone on medication, pregnant, or managing a diagnosed condition should speak to a doctor or a qualified practitioner first.

Side effectsDigestive upset and wind
Burning sensation
Headache
Skin rash in some people
ContraindicationsInfants.
Pregnancy, in medicinal quantity.
Wheat allergy or coeliac disease, unless the carrier is confirmed.
InteractionsWarfarin and antiplatelets — coumarin-type constituents and reported antiplatelet activity.
Antihypertensives — additive lowering reported.
Pregnancy and breastfeedingNot to be used in medicinal quantity in pregnancy. Ordinary culinary use is long established. It is traditionally given to increase milk after childbirth, which should still be discussed with a qualified practitioner.
Reported methaemoglobinaemia in infantsAsafoetida has been associated with methaemoglobinaemia in babies, a condition in which the blood cannot carry oxygen properly. It is not given to infants, and the traditional use on an infant's abdomen for colic is not recommended here for that reason.
Compounded hing usually contains wheatMost commercial hing is resin blended with wheat flour as a carrier. Anyone with coeliac disease or wheat allergy must read the ingredients rather than assume a spice is a single substance.

Growing it

ClimateCold arid highland; Iran and Afghanistan, not India.
SoilDry, stony, well-drained ground.
PlantingA large perennial umbellifer, grown from seed, taking four or five years before it can be tapped.
HarvestThe stem is cut near the crown of the root and the milky exudate is collected as it hardens, over repeated cuttings.
What is not statedIndia imports almost all of its hing. Cultivation trials in Himachal Pradesh began recently and do not yet supply the market, so provenance is hard to establish for most of what is sold.

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What this is not

Sources

GBIF Backbone Taxonomy species-match record for Ferula assa-foetida L.
Global Biodiversity Information Facility (GBIF) · read 2026-09-28
Confirming live, rather than from memory, the accepted botanical name and family behind the Sanskrit name.
https://api.gbif.org/v1/species/match?name=Ferula%20assa-foetida
The Ayurvedic Pharmacopoeia of India — Hingu (Ferula assa-foetida L.)
Pharmacopoeia Commission for Indian Medicine and Homoeopathy, Ministry of Ayush, Government of India · read 2026-09-28
The official Indian pharmacopoeial standing of the dravya and the identity of the part used as the pharmacopoeial article.
https://pcimh.gov.in/
Compendium of Monographs — Natural Health Products
Health Canada, Natural and Non-prescription Health Products Directorate · read 2026-09-28
A regulator outside India that publishes monographs covering Ayurvedic ingredients — used for the safety framing, and for the line between a permitted traditional-use claim and clinical evidence.
https://www.canada.ca/en/health-canada/services/drugs-health-products/natural-non-prescription/applications-submissions/product-licensing/compendium-monographs.html
Classical matra by dose form
Sharangadhara Samhita, Madhyama Khanda
The classical quantity for each dose form, as the standard reference gives it. Sharangadhara is where Ayurveda's dose forms and their measures are set out, and it is what every Dravyaguna textbook reproduces.
https://niimh.nic.in/ebooks/esharangadhara/
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