质量标准: Appearance Almost white lyophilized powder Identification Complies Appearance of solution Clear Absorbance Maximum 0.80 at 277nm Protein impurities of higher molecular mass. Complies Loss on drying ≤ 6.0% Bacterial endotoxins Complies Histamine Complies Abnormal toxicity Complies Activity 3-8 TIU/mg
(1 TIU ∼ 1,300 KIU.)KIU (Kallikrein Inhibitor Unit).