Ispaghula Seed
เทียนเกล็ดหอย · Thian Klet Hoi
Plantago ovata Forssk.
- Family
- Plantaginaceae
- Part used
- seed
- Crude drug
- Plantaginis Ovatae Semen
- Other names
- Blond Psyllium Seed, Indian Plantago Seed, Pale Psyllium Seed, Spogel Seed
- In the announcement
- Used in 4 notifiable formulas

Constituents and quality criteria of Ispaghula Seed
Summarised from the Ispaghula Seed monograph of the Thai Herbal Pharmacopoeia, Department of Medical Sciences, the standard used to test the dried ripe seed.
The pharmacopoeia sets no minimum marker content for this herb. Use the raw material quality criteria below for acceptance testing.
Constituents
Ispaghula Seed contains mucilage consisting mainly of arabinoxylans. It also contains aucubin, triterpenes, sterols, fixed oil, etc.
Raw material quality criteria
| Foreign matter | Not more than 3.0% w/w |
| Total ash | Not less than 9 |
| Swelling index | Not less than 9 |
| Acid-insoluble ash | Not more than 1.0% w/w |
Storage: Ispaghula Seed shall be kept in well-closed containers, protected from light, and stored in a dry place.
4 formulas containing Ispaghula Seed
Select a formula to see its ingredients and indications. Formula names and indications are a reference translation; the Thai announcement is the legal text.
- Thian Klet Hoi PsylliumAdds dietary fiber, which may help with bowel movements
- Ya Hom Thep Chit Fragrant cordial formula for dizziness and palpitationsRelieves subtle wind (lom kong la-iat) causing symptoms such as dizziness, faintness (sawing sawai), palpitations, etc., and nourishes the mind (bamrung duang chit) so that it is refreshed
- Ya Hom Nawakot Fragrant nine-kot formula for dizziness and nauseaRelieves dizziness due to wind (lom wing wian), nausea and vomiting (wind causing tightness in the chest, lom chuk naen nai ok) in the elderly; relieves post-fever wind (lom plai khai) (after recovering from fever, symptoms remain such as nausea, dizziness, loss of appetite, abdominal bloating and fatigue)
- Ya Hom Thipphaosot Divine-remedy fragrant formula for dizzinessRelieves dizziness due to wind (lom wing wian)
Develop Ispaghula Seed into a product with the TIBD group
Three ways forward 1Notify a listed formula2Adapt it through detailed notification3Develop a Category B herbal medicine or Category C health productSee the development pathway
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 Ispaghula Seed
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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