Γ-PGA-A Natural Hydrating and Whitening Ingredient for Cosmetics
I. Introduction
Gamma-poly-glutamic acid (Γ-PGA) is a natural, multifunctional, biodegradable biopolymer produced from L-glutamic acid through fermentation process using a Bacillus subtilis. PGA is a water-soluble homo-polyamide consisting of D- and L-glutamic acid monomers connected by amide linkages between α-amino and γ-carboxyl groups. It is biodegradable, edible and non-toxic for human and environment. It can be applied in the fields of medicine, food, cosmetics, plastics and water treatment.
II. Application
Application field Product type
----- Thickener/Stabilizer
Food industry ------Texture enhancer
-----Animal feed supplement
Health care -------Nutrition supplement
Medical treatment -------Controlled release drug carrier, medical bondage
Cosmetics ---------------Moisturizer
Water treatment ------------Heavy metal absorbent
Waste Water treatment ----Biopolymer flocculants
Agriculture ---------Increasing the quality and quantity of plants, soil improvement,
seed-coat
*recommended dosage: 0.05~1.00%, or as required.
III. Product Specification
ITEM SPECIFICATION
Physical Appearance --------------------White to off-white free-flow powder
Purity --------------------92% (HPLC)
Molecular Weight --------------------700kD (GPC/HPLC)
LD ------------------------------10% max., by automatic infrared analyzer
pH -------------------------------5.0~7.0
Clarity, OK400
(4% aq.sol'n) --------------------------------0.13 max (Cosmetic grade: 0.07 max.)
Heavy metals --------------------------------- Total as Pb: 20ppm max.
TPC(CFU/g) --------------------------------------3,000max. (Cosmetic Grade 500 max.)
E. coli ------------------------------------------------Negative
Salmonella -----------------------------------------Negative
Particle size ----------------------------------------100% thru 100 mesh
IV. Packaging
100g, 250g or 500g bottle, 10kg carton, or as required.
Storing in a cool and dark place.
Audited Supplier 
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