collagen peptide  (Certificate of Analysis )

Analysis Items	Standards	Results
Color	White to off white powder	Pure white powder
Odor	Characteristic  odor	No
Stacking density(g/mL)		0.25
Protein nitrogen	≥90.00% ≥15.00%	98.50%（dry basis） 17.01%
PH value(5% Aqueous solution)	5.00-7.50	6.86
moisture	≤8.00	4.80
Ash	≤2.00	0.16
Heavy Metals (mg/kg)	Pb,(mg/kg)       ≤0.50	3ppm   1ppm 0.50ppm 1ppm   0.50ppm
	As, (mg/kg)      ≤0.10
	Hg, (mg/kg)      ≤0.50
	Cr, (mg/kg)      ≤1.00
	Cd, (mg/kg)      ≤0.10
MICROBIOLOGICAL PURITY
Total Bacteria	≤ 1000cfu/g	30cfu/g
Total Yeast and Mould	≤50cfu/g	10cfu/g
E.coli in 1 gram-negative	negative	negative
Salmonella	negative	negative
S.aureus,	negative	negative
P.aeruginosa	negative	negative