Herb in Thai notifiable formulas
Indian Snakeroot
ระย่อม · Rayom
Rauvolfia serpentina
- Family
- Apocynaceae
- Part used
- root
- Crude drug
- Serpentine Root Rauvolfiae Serpentinae Radix
- In the announcement
- Used in 2 notifiable formulas (1 as capsules)
Thai Herbal Pharmacopoeia (THP)
Constituents and quality criteria of Indian Snakeroot
Summarised from the Indian Snakeroot monograph of the Thai Herbal Pharmacopoeia, Department of Medical Sciences, the standard used to test the dried root.
The pharmacopoeia sets no minimum marker content for this herb. Use the raw material quality criteria below for acceptance testing.
Constituents
Indian snakeroot contains indole alkaloids (e.g., ajmalicine, ajmaline, reserpine, serpentine), and tannins, etc.
Raw material quality criteria
| Loss on drying | Not more than 11.0% w/w |
| Total ash | Not more than 6.0% w/w |
| Acid-insoluble ash | Not more than 1.0% w/w |
| Water-soluble extractive | Not less than 14.0% w/w |
| Ethanol-soluble extractive | Not less than 5.0% w/w |
Storage: Indian Snakeroot shall be kept in well-closed containers, protected from light, and stored in a dry place.
Source: Thai Herbal Pharmacopoeia, Department of Medical Sciences (online edition, accessed 21 October 2026)Read the full THP monograph
Formulas using Indian Snakeroot
2 formulas containing Indian Snakeroot
Select a formula to see its ingredients and indications. Formula names and indications are a reference translation; the Thai announcement is the legal text.
- Ya Prasa Chettaphangkhi Chettaphangkhi (Cladogynos) formula for colic and windRelieves kasai (a chronic wasting condition in Thai traditional medicine) with abdominal colic/flatulent discomfort, expels flatus
- Ya Prasa Chettaphangkhi Chettaphangkhi (Cladogynos) formula for colic and windRelieves kasai (a chronic wasting condition in Thai traditional medicine) with abdominal colic/flatulent discomfort, expels flatus
Development potential
Develop Indian Snakeroot into a product with the TIBD group
In notifiable formulas2 formulasused in multi-herb formulas
THP raw-material criteria5 testsfor acceptance testing before production
Marker with a minimum contentNot setquality is checked with the raw-material criteria
Three ways forward 1Notify a listed formula2Adapt it through detailed notification3Develop a Category B herbal medicine or Category C health productSee the development pathway
K-API · manufacturing in the group
Extract and manufacture at K-API
The TIBD group plant licensed by the Thai FDA to manufacture herbal products, so extraction and production stay within the group.
See the K-API plantTIBD · consultationPlan a product with Indian Snakeroot
We check whether your formula qualifies for notification, detailed notification or registration with the Thai FDA, then prepare the filing documents.
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