Ash 0-5%
(As)Arsenic 0-5ppm
Total number of bacteria 0-10000cfu/g
Water by Karl Fischer 0-7%
Enzymatic Activity ≥2000units/mg
Lead(Pb) 0-5ppm
E. coli 0-30MPN/100 g
Appearance White to Off-White Powder or Solid or Chunks
在测定条件下,每一分钟水解酪蛋白释出的三氯乙酸可溶物,在 275 nm 的吸光度与一微克的酪氨酸吸光度相当时,所需的酶量为一个酶活力单位。以 u/g 表示