1）Origin: Bovine, Porcine, Shark, Chicken,etc. 2) Appearance: White or Off-White powder 3) Assay: 85~99% 4) Specific rotation: -30~-20 5) PH: 5.5 ~ 7.5 6) Chloride: 0.5% max. 7) Sulfate: 0.24% max. 8) Loss on drying: 10.0% max. 9) Residue on ignition: 20~30% 10) Heavy Metals(Pb): 20ppm max. 11) Total plate count: 1000cfu/g max. 12) E. Coli: Negative 13) Mold and yeast: 100cfu/g max.
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