Product No.: #1204 Product name: Black Rice Red Color
- Source: Oryza sativa L.
- Part of the plant used: fruit
- 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. - 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
