purple sweet potato colour

Purple sweet potato colour

Purple sweet potato colour is a food additive made from the purple root of sweet potato (IpomoeabatatasLam), which is extracted and refined by water containing acid such as citric acid or ethanol aqueous solution. The main coloring components of purple sweet potato colour are anthocyanins, among which the main anthocyanin ligands are centaurin and peonidin. It is red to purplish black liquid, powder or granular, with a slight odor. Soluble in water, aqueous ethanol, propylene glycol, but insoluble in oil. The aqueous solution is red to purplish red, which varies with PH value, and is purplish blue under alkaline condition, which is unstable. Compared with other anthocyanin pigments, purple sweet potato colour has better heat and light resistance, poor staining performance. The powder has strong hygroscopicity. The maximum absorption peak is in the wavelength range of 530nm±10nm.

English name：purple sweet potato colour CNS：08.154 INS：163；  

Product properties: red to purple black liquid, powder or granular, no visible impurities

Product quality standard: National Food safety standard for food additive Purple sweet potato colour GB 1886.244-2016

Chemical name, molecular formula, structural formula and relative molecular mass:

Sensory requirements, physical and chemical indicators:

Product Application：

Specific industry categories and usage refer to the relevant provisions of GB2760 National Food Safety Standard for Food Additive Use .Details please refer to the following table:

Packing Specification：

1kg/bag 10kg/case

Product Origin：

Zhuhai

Ingredients：

Purple sweet potato pigment, maltodextrin

Storage Method：

Keep in a dry, cool and well ventilated environment