Herb in Thai notifiable formulas
Forest Siris Bark
ทิ้งถ่อน · Thing Thon
Albizia procera (Roxb.) Benth.
- Family
- Part used
- stem bark
- Crude drug
- Albiziae Procerae Cortex
- Other names
- Rain Siris Bark, White Siris Bark
- In the announcement
- Used in 1 notifiable formula
Thai Herbal Pharmacopoeia (THP)
Constituents and quality criteria of Forest Siris Bark
Summarised from the Forest Siris Bark monograph of the Thai Herbal Pharmacopoeia, Department of Medical Sciences, the standard used to test the dried stem bark.
The pharmacopoeia sets no minimum marker content for this herb. Use the raw material quality criteria below for acceptance testing.
Constituents
Forest Siris Bark contains phenolics (e.g., (+)-catechin, protocatechuic acid). It also contains flavonoids (e.g., quercetin, rutin), triterpenoids, saponins, tannins, etc.
Raw material quality criteria
| Foreign matter | Not more than 2.0% w/w |
| Loss on drying | Not more than 10.0% w/w |
| Total ash | Not more than 11.0% w/w |
| Water-soluble extractive | Not less than 18.0% w/w |
| Ethanol-soluble extractive | Not less than 20.0% w/w |
Storage: Forest Siris Bark 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 Forest Siris Bark
1 formula containing Forest Siris Bark
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 Forest Siris Bark into a product with the TIBD group
In notifiable formulas1 formulaused 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 Forest Siris Bark
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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