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Polyglutamic Acid
Polyglutamic Acid

Polyglutamic Acid

  • CAS:25513-46-6
  • Chemical formula: L-Glu-(L-Glu)n-L-Glu
  • Appearance: Yellow to off-white powder
  • Assay (HPLC): 10 %, 15%, 20%, 25% , 30.0%
  • PH(10g/L in solution): 4.0-8.5
  • OEM ODM Available
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                            Feature

                            Polyglutamic Acid is an anionic polypeptide polymer, a viscous substance. It has good water solubility and biodegradability. This product is mainly produced by microbial fermentation process.

                            Function and Application

                            1. Maintain food quality
                              γ-PGA can inhibit water migration and has excellent antifreeze effect. In addition, it has the characteristics of low salt, low calories, and promotes mineral absorption. Compared with traditional antifreeze agents, it is more in line with the needs of "reducing sugar, salt, and oil".
                            2. For the fertilizer industry
                              On the one hand, Polyglutamic Acid can promote the development of crop roots and enhance disease resistance.
                              On the other hand, Polyglutamic Acid can enhance crop nutrient absorption, thereby achieving an increase in yield.
                              3.γ-PGA not only has moisturizing effects, but also whitening and anti-aging effects.

                            Specification-COA

                            ITEMSSTANDARDRESULTS
                            Physical AppearanceWhite to off white granular or powder, no agglomerationComplies
                            ASSAY≥25%25.3%
                            Molecular Weight980k-1200kDa≈1000kDa
                            Loss on drying≤10%4.03%
                            Heavy metals (Pb)≤10 mg/kgComplies
                            Transmittance (5g/L,AQ,400nm)≥95%99.2%
                            pH (10g/L,AQ, 25℃)5.0-7.56.72
                            Total plate count≤100 CFU/g60
                            Yeast Mold≤100cfu/gConforms
                            SalmonellaNegativeNegative
                            E.ColiNegativeNegative
                            ConclusionConform to the specification of the requirement.
                            StorageStore in a cool and dry place, keep away from direct strong and heat.

                            What does polyglutamic acid do to skin?

                            1. Moisturizing
                              The moisturizing effect of 0.1% γ-PGA is 3 times that of hyaluronic acid. When combined with HA, it can increase the moisturizing effect by 1.8 times.
                              In addition, this ingredient increases the free amino acid content in the stratum corneum by 30%, which is better than traditional moisturizers.
                            2. Whitening and barrier repair
                              Low molecular weight γ-PGA (10-100kDa) can reduce the tyrosinase activity of B16 melanocytes by 57% and melanin synthesis by 43%.
                            3. Anti-aging
                              Activate collagen. Polyglutamic acid can promote the synthesis of type I collagen in fibroblasts and improve skin elasticity.

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