To prevent deterioration, the product should be stored in tightly closed containers in a freezer or cold room at -20 degrees centigrade.
Aminopeptidase substrate: Y. Kanaoka et al., Chem. Pharm. Bull., 25, 362 (1977). Determination of leucine aminopeptidase activity in waste water: D. R. Confer and B.E. Logan, Water Res., 32, 31 (1998).
Enzymatic activities in traps of four aquatic species of the carnivorous genus Utricularia.
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