Is there an analytic test which can differentiate between natural curcumininoids and synthetic curcuminoids?

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Jayaram M

Yes, HPLC can differentiate between Natural and synthetic. Natural Curcumin have three peaks and synthetic have single peak

Devi Prasad Sahu

Natural curcuminoids have cis-transoid configuration where as synthetic ones have trans-transoid configuration of 2 olefinic bonds. PMR (coupling constant) can authenicate natural from synthetic one.

Anup Patwari

Thank you, Devi Prasad Sahu! With this PMR, can we identify a natural Curcumin powder adulterated with synthetic Curcumin powder?

Dr. Sambhaji V. Kokitkar

Dear Devi Prasad Sahu. Can we identify adultrated natural curcuminoids by UV spectrocopy?