Purple sweet potato |
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¡¡¡¡Purple sweet potato is extracted from Ipomoea batatas L.
Main composition: Anthocyanins and other flavonoides.
Properties: Red or red-purple liquid or powder. In aqueous solution the color varies with its PH. When PH is 2-6, it is red; when PH is more than 7, the color is violet or blue.Technological Process:
RRaw Material ¡ú Slicing ¡ú Immersion in water ¡ú Filtering ¡úPurification ¡ú Concentration in Vacuum ¡ú Killing of Bacteria ¡úLiquid
Usages: Applicable to food, beverages and wine.
Storage: Prevent contact with air, light and heat, and store in cool condition.
Quality standard:
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ITEMS
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INDICES
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Appearance
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Liquid
or powder
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Red
or Purple-red
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Color
Value E10%
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200min
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1.Drying Weightlessness ¡Ü 2.Burning remains¡Ü 3.Heavy Metal ppm¡Ü 4.Lead ppm¡Ü 5.Arsenic ppm¡Ü |
45% 4% 20 5 2
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1.Germs count(per gram) 2.coliform bacillus |
300cfu/g negative |
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Microbiologic
Quality
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Conforms
to Standards of Food Additives
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Tianjin Huida Hetai Biotechnology Address:E-501,No.6 Erwei Road,Huayuan Industry Development Area,Tianjin,China
Postcode£º300384 Tel£º86-22-85689111 FAX£º86-22-85689112
E-mail£ºhuidatj@huidatj.com