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Curcumin is extracted from the root of Curcuma longa as raw material. It’s a natural food pigment by the process of solvent extracting, concentrating, refining and drying.
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| ·Characteristics |
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The appearance of curcumin is yellowish to orange red free flowing powder, has the characteristic odor-turmeric like, the active ingredient is curcumin. It can not dissolve in water and ether, easy to dissolve in ethanol, acetic acid and propylene glycol, completely soluble in acetone. The color shade of acidic solution is pale yellow, and reddish brown in alkaline condition. It has a good resistance to heat, but not to light and Fe2＋. It has superior pigmentation ,especially for protein.
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| ·Quality Standard |
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Items
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Enterprise Standard
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Appearance
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Yellowish to orange red free flowing powder
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Curcumin Content % Less than
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90
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Color Value E（1%、1cm、425±2nm） Less than
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1450
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Ash % Less than
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4
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Lead（as Pb） mg/kg Less than
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5
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Arsenic（as As） mg/kg Less than
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3
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Pathogenic Bacteria
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Negative
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| ·Application and Usage Reference |
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Curcumin can be widely used in carbonic acid drink, candy, wine, ice-cream, jelly. The usage reference is 0.01g/kg.
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·Package
Carton with inner plastic bags. Net weight is 10kg for each container. Package standards are also available according to consumer’s demand.
·Storage
Sealed, avoid light, store in a cool and dry place.
·Shelf Life
If the storage condition attains as mentioned above, powder is two years from production date. Once opened, should seal up again and use within six months.
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