[Product name] Turmeric extract

 

Turmeric Extract

 

[Product specification] 95%(natural), 98% (synthetic), water soluble curcumin 10%, 20%

 

【 Product physical and chemical index 】 :

 

[Color] orange crystal powder

 

【 Subformula 】C21H26O6

 

【 sub-amount 】368.4

 

[Product characteristics] Melting point 183° is reddish-brown when alkaline, yellow when neutral and acidic. Measured by OT-42 method. Melting range 179 ~ 182℃.

 

[Solubility] Insoluble in water and ether, soluble in ethanol, propylene glycol, easily soluble in glacial acetic acid and alkali solution

 

[Note] Strong coloring, it is not easy to fade after coloring, but it is sensitive to light, heat and iron ions, and poor light resistance, heat resistance and iron ion resistance. When PH is greater than 8, curcumin changes from yellow to red.

 

[Storage conditions] This product should be sealed and dark, avoid high temperature, and stored in a dry, cool and well-ventilated place

 

[Effective period] Two years