PGA in agriculture (gamma-poly-glutamic acid) 1,offer free sample 2,China biggest manufacture for PGA 3,used in agriculture

     PGA in agriculture (gamma-poly-glutamic acid)  

PGA in agriculture (gamma-poly-glutamic acid)1,offer free sample2,China biggest manufacture for PGA3,used in agriculture  

SPECIFICATION of PGA

ITEM	SPECIFICATION
Physical Appearance	White to off-white, free-flow powders
Purity (γ-PGA)	≥ 90%
Molecular Weight	200~400 kD (LW) 700~1000 kD(HW)
LD(Loss on Drying)	10% max., by automatic infrared analyzer
pH	5.0~7.0
Clarity, OD400 (4% aq. sol’n)	0.07 max.
Heavy metals (total as Pb)	10 ppm max.
TPC (cpu/g)	500 max.
E.coli	Negative
Salmonella	Negative

PGA Packaging and storage

l        γ-PGA pure powder for Medicine, Food, or Cosmetic.

l        γ-PGA broth powder for Agriculture.

l        100g,1kg,10L, or or packed to customer’s requirement.

Keeping in cool place with no direct sunshine exposure and the temperature is below 20 the validity period is two years.

PGA in agriculture (gamma-poly-glutamic acid)