Ayurveda Herbs : Medicinal uses of Turmeric

New Drug Approvals

http://www.slideshare.net/drdbbajpai/ayurveda-herbs-medicinal-uses-of-turmeric?from_search=2

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Composition

Curcumin keto form
Curcumin enol form

Turmeric contains up to 5% essential oils and curcumin of about three percent by weight, a polyphenol. Curcumin is the active substance of turmeric and curcumin is known as C.I. 75300, or Natural Yellow 3. The systematic chemical name is (1E,6E)-1,7-bis(4-hydroxy-3-methoxyphenyl)-1,6-heptadiene-3,5-dione.

It can exist at least in two tautomeric forms, keto and enol. Curcumin is a pH indicator. In acidic solutions (pH <7.4) it turns yellow, whereas in basic (pH > 8.6) solutions it turns bright red.

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PHARMA PROFESSIONAL, ITALY
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