Black Rice Red Color

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Black Rice Red Color
Posting date : May 14, 2012
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S01-
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Product No.: #1204 Product name: Black Rice Red Color 1. Source: Oryza sativa L. 2. Part of the plant used: fruit 3. Product description Red rice red is a natural food color, extracted from red or black rice of Oryza sativ. The appearance of red rice red is purplish red liquid or powder. The main ingredient is cyanidin-3-glucoside, a kind of anthocyan. It is easily dissolved in water and water-alcohol solutions, but it is not dissolve in acetone and petroleum benzene. It has a good resistance to light and heat, but not to oxidant. Na+, K+, Ca2+, Ba2+, Zn2+, Cu2+and trace Fe2+ do not affect the pigment, but the shade of color becomes rose when there are much Sn2+,and becomes fading and deposition to Pb2+ and much Fe2+. The shade of color solution is red when PH is between 1~6, pale brown to yellow when PH is between 7~12. It is widely used in food, beverage, pharmaceutical, cosmetic and other industries. 4. Specifications: Items Specifications Liquid Powder Appearance Purplish red liquid Purplish red powder Color value E(1% 1cm 535nm) 20~60 100~200 Loss on drying - ≤10% Ash 2% 5% PH 2~4 2~4 Heavy metals ≤10ppm ≤10ppm Pb ≤2ppm ≤2ppm As ≤1ppm ≤1ppm Total plate count ≤1000cfu/g ≤1000cfu/g Yeast & Mold ≤100 cfu/g ≤100 cfu/g Salmonella Negative/10g Negative/10g E. Coli Negative/10g Negative/10g

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