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Salt-free lyophilized solid

>=95% by SDS-PAGE; shows no trypsin activity when assayed against Nα -benzoyl-L-arginine-p-nitroanilide

Human Pancreas

Shown to be non reactive for HBsAg, anti-HCV, anti-HBc, and negative for anti-HIV 1 & 2 by FDA approved tests

> 1 year

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