Costus Root
โกฐกระดูก · Kot Kraduk
Aucklandia lappa Decne
- Family
- Compositae
- Part used
- root
- Crude drug
- Aucklandiae Lappae Radix
- Other names
- Costus Root, Kut Root, Kuth Root, Saussurea Root
- In the announcement
- Used in 12 notifiable formulas (3 as capsules)

Constituents and quality criteria of Costus Root
Summarised from the Common Aucklandia Root 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
Common Aucklandia Root contains volatile oil, of which dehydrocostus lactone and costunolide are its major components. It also contains alkaloids (e.g., saussurine), cyanopicrin, etc.
Raw material quality criteria
| Foreign matter | Not more than 2.0% 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 27.0% w/w |
| Ethanol-soluble extractive | Not less than 11.0% w/w |
| Volatile oil | Not less than 0.7% v/w |
Storage: Common Aucklandia Root shall be kept in well-closed containers, protected from light and moisture, and stored in a cool and dry place.
12 formulas containing Costus Root
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 Maha Chak Yai Traditional formula for lom sang and bloatingRelieves lom sang (a wind (lom) disorder associated with childhood sang), relieves abdominal bloating and flatulence
- Ya Thorani Santhakhat Traditional formula for kasai and constipationRelieves kasai sen (kasai affecting the channels/sinews, sen), thao dan (a hardened band or mass in the abdomen) and constipation
- Ya Prasa Kanphlu Clove formula for stomach ache and indigestionRelieves abdominal pain, abdominal colic/flatulent discomfort, and fullness and distension from indigestion due to disordered elements (that)
- Ya Hom Inthachak Fragrant formula for faintness and nauseaRelieves lom bat tha chit (a wind (lom) disorder affecting the mind), relieves nausea and vomiting, relieves wind (lom) causing abdominal colic/flatulent discomfort
- Ya Hom Inthachak Fragrant formula for faintness and nauseaRelieves lom bat tha chit (a wind (lom) disorder affecting the mind), relieves nausea and vomiting, relieves wind (lom) causing abdominal colic/flatulent discomfort
- 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 Maha Chak Yai Traditional formula for lom sang and bloatingRelieves lom sang (a wind (lom) disorder associated with childhood sang), relieves abdominal bloating and flatulence
- Ya Thorani Santhakhat Traditional formula for kasai and constipationRelieves kasai sen (kasai affecting the channels/sinews, sen), thao dan (a hardened band or mass in the abdomen) and constipation
- Ya Hom Thipphaosot Divine-remedy fragrant formula for dizzinessRelieves dizziness due to wind (lom wing wian)
- Ya Prasa Kanphlu Clove formula for stomach ache and indigestionRelieves abdominal pain, abdominal colic/flatulent discomfort, and fullness and distension from indigestion due to disordered elements (that)
- Ya Ritsiduang Thang Doen Patsawa Formula for urinary ritsiduang (difficult urination)Relieves urinary tract ritsiduang (ritsiduang thang doen patsawa), which causes difficult urination and urine containing blood or pus
Develop Costus Root 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 Costus Root
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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