Purple Sweet Potato Color

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Plant Extract [1]

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Yunnan Tonghai Yang Natural Products Co., Ltd

+86-877-3663828, 3661837

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Purple Sweet Potato Color


company	Yunnan Tonghai Yang Natural Products Co., Ltd
Categories	Gazebos & Canopies
Update	2011-03-17
Original Region	China
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Purple Sweet Potato Color

Purple Sweet Potato Color, apure natural and water soluble food colorproduced by our company, is extracted frompurple root tuber of edible purple sweetpotato (Impomoea batatas ) planted locally.The process is checking, washing, slicing,extracting, filtrating, purifying,concentrating, sterilizing（purplesweet potato color liquid）,spraying & drying（purplesweet potato color powder）.The main ingredient is cyanidin acylglucoside & peonidin acyl glucoside.

Appearance

Purple sweet potato color powder is red topurple red, liquid is brown purple, both hasthe characteristic odor of sweet potato. Itcan be dissolved in water & alcohol,propylene glycol solution easily, but not inoil. The color of water solution changeswhen PH is different. When PH is between2-6,the color is red or purple red .The solutioncolor becomes blue, and is unstable when PHis above 6. The color of solution can’t fadeunder light for a long time, and also hasgood resistance to high temperature in anacidic medium.

QualityStandard

Items		Enterprise Standard
Items		Powder	Liquid
Color Value E（1%、1cm、PH3.0、530±3nm）		30～80	10～30
Loss on Drying	% Less than	10	——

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Purple Sweet Potato Color