Herb in Thai notifiable formulas
Khamin Oi
ขมิ้นอ้อย · Khamin Oi
Curcuma sp.
- Family
- Zingiberaceae
- Part used
- rhizome
- Crude drug
- In the announcement
- Used in 27 notifiable formulas (8 as capsules)
Thai Herbal Pharmacopoeia (THP)
Constituents and quality criteria of Khamin Oi
Summarised from the Khamin Oi monograph of the Thai Herbal Pharmacopoeia, Department of Medical Sciences, the standard used to test the crude drug.
The pharmacopoeia sets no minimum marker content for this herb. Use the raw material quality criteria below for acceptance testing.
Constituents
Khamin Oi contains curcuminoids, of which curcumin, desmethoxycurcumin, and bisdesmethoxycurcumin are its major components. It also contains volatile oil, etc.
Raw material quality criteria
| Acid-insoluble ash | Not more than 6.0% w/w |
| Sulfated ash | Not more than 14.0% w/w |
| Volatile oil | Not less than 4.0% v/w |
Storage: Khamin Oi shall be kept in well-closed containers, preferably of metal or glass, protected from light and stored in a cool and dry place.
Source: Thai Herbal Pharmacopoeia, Department of Medical Sciences (online edition, accessed 21 October 2026)Read the full THP monograph
Formulas using Khamin Oi
27 formulas containing Khamin Oi
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 Phlai Plai-based formula for menstrual discomfortRelieves menstrual pain
- Ya Fai Pralaikan Postpartum formula for lochia dischargeExpels postpartum lochia during postpartum confinement by the fire (ruean fai), helps the uterus return to its normal state (mot luk khao u)
- Ya Lueang Pit Samut Yellow formula for non-infectious diarrheaRelieves diarrhea not caused by infection
- 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 Bamrung That Lang Fuen Khai Element tonic after recovering from feverElement tonic (bamrung that) after recovery from fever, fire-element tonic (bamrung fai that), promotes appetite
- Ya Bencha That Five-element formula for wind and appetiteCarminative (relieves flatulence), element tonic (bamrung that), promotes appetite
- Ya Kae Ritsiduang Lam Sai Formula for intestinal ritsiduangRelieves intestinal ritsiduang (ritsiduang lam sai) with frequent diarrhea, much gas passed during defecation, sometimes with mucus, causing a feeling of fatigue
- Ya Kae Lom Amphruek Formula for tendon and muscle pain (lom amphruek)Relieves pain along the tendons and muscles, and stiffness or numbness of the hands and feet
- Ya Prasa Phlai Plai-based formula for menstrual discomfortRelieves irregular menstruation or menstruation that is lighter than normal
- Ya Prasa Phlai Plai-based formula for menstrual discomfortRelieves irregular menstruation or menstruation that is lighter than normal
- Ya Prasa Phlai Plai-based formula for menstrual discomfortRelieves irregular menstruation or menstruation that is lighter than normal
- Ya Fai Pralaikan Postpartum formula for lochia dischargeExpels postpartum lochia during postpartum confinement by the fire (ruean fai), helps the uterus return to its normal state (mot luk khao u)
- Ya Fai Pralaikan Postpartum formula for lochia dischargeExpels postpartum lochia during postpartum confinement by the fire (ruean fai), helps the uterus return to its normal state (mot luk khao u)
- Ya Lueang Pit Samut Yellow formula for non-infectious diarrheaRelieves diarrhea not caused by infection
- Ya Lueang Pit Samut Yellow formula for non-infectious diarrheaRelieves diarrhea not caused by infection, e.g. stool without mucus or blood, diarrhea
- Ya Prasa Mawaeng Mawaeng (Solanum) formula for cough with phlegmRelieves cough with phlegm, moistens the throat, helps expel phlegm
- Ya Prasa Mawaeng Mawaeng (Solanum) formula for cough with phlegmRelieves cough with phlegm, moistens the throat, helps expel phlegm
- Ya Prasa Mawaeng Mawaeng (Solanum) formula for cough with phlegmRelieves cough with phlegm, moistens the throat, helps expel phlegm
- Ya Kae Tan Sang Pediatric tan sang formula for diarrheaRelieves diarrhea and stools with mucus and blood due to sang fai (a traditional Thai childhood disorder with white patches in the mouth) and tan sang (a traditional Thai childhood disorder)
- 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 Bamrung That Lang Fuen Khai Element tonic after recovering from feverElement tonic (bamrung that) after recovery from fever, fire-element tonic (bamrung fai that), promotes appetite
- Ya Bamrung That Lang Fuen Khai Element tonic after recovering from feverElement tonic (bamrung that) after recovery from fever, fire-element tonic (bamrung fai that), promotes appetite
- Ya Bencha That Five-element formula for wind and appetiteCarminative (relieves flatulence), element tonic (bamrung that), promotes appetite
- Ya Kae Ritsiduang Lam Sai Formula for intestinal ritsiduangRelieves intestinal ritsiduang (ritsiduang lam sai) with frequent diarrhea, much gas passed during defecation, sometimes with mucus, causing a feeling of fatigue
- Ya Kae Lom Amphruek Formula for tendon and muscle pain (lom amphruek)Relieves pain along the tendons and muscles, and stiffness or numbness of the hands and feet
- Ya Kae Lom Amphruek Amphat Traditional formula for lom amphruek amphatRelieves paresis and paralysis wind (lom ammaphruek ammaphat)
- Ya Thai Khai Phit Khai Kan Purgative formula for toxic fever (khai phit, khai kan)Purges toxic fever (khai phit) and kan fever (khai kan)
Development potential
Develop Khamin Oi into a product with the TIBD group
In notifiable formulas27 formulasused in multi-herb formulas
THP raw-material criteria3 testsfor acceptance testing before production
Marker with a minimum contentNot setquality is checked with the raw-material criteria
Testing in the groupVISBIOCurcuminoid content testing
Three ways forward 1Notify a listed formula2Adapt it through detailed notification3Develop a Category B herbal medicine or Category C health productSee the development pathway
VISBIO · laboratory in the TIBD group
Curcuminoid content testing
Analytical testing of Khamin Oi raw materials and products by VISBIO, the laboratory in our group.
See the VISBIO serviceK-API · manufacturing in the groupExtract 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 Khamin Oi
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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