Herb in Thai notifiable formulas
Purging Cassia Pulp
คูน · Khun
Cassia fistula L.
- Family
- Leguminosae
- Part used
- pod pulp
- Crude drug
- Cassiae Fistulae Pulpa Purging Cassia Pulp
- Other names
- Golden Shower Pulp, Indian Laburnum Pulp, Pudding Pine Pulp, Pudding Pipe Pulp, Purging Fistula Pulp, Riding Pipe Pulp
- In the announcement
- Used in 2 notifiable formulas (1 as capsules)
Thai Herbal Pharmacopoeia (THP)
Constituents and quality criteria of Purging Cassia Pulp
Summarised from the Laxative Purging Cassia Pulp monograph of the Thai Herbal Pharmacopoeia, Department of Medical Sciences, the standard used to test the aril of the ripe pod.
The pharmacopoeia sets no minimum marker content for this herb. Use the raw material quality criteria below for acceptance testing.
Constituents
Purging Cassia Pulp contains anthraquinones (e.g., rhein and its glycosides). It also contains flavonoids, tannins, etc.
Raw material quality criteria
| Foreign matter | Not more than 2.0% w/w |
| Loss on drying | Not more than 14.0% w/w |
| Total ash | Not more than 4.0% w/w |
| Water-soluble extractive | Not less than 67.0% w/w |
| Ethanol-soluble extractive | Not less than 66.0% w/w |
Storage: Purging Cassia Pulp 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 Purging Cassia Pulp
2 formulas containing Purging Cassia Pulp
Select a formula to see its ingredients and indications. Formula names and indications are a reference translation; the Thai announcement is the legal text.
Development potential
Develop Purging Cassia Pulp 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 Purging Cassia Pulp
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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