Product Specification YiMei? HY mid-temperature alpha-amylase is a brown liquid with slight fermentation odor. Color can vary from batch to batch. Color is not related to enzyme activity.Standard packaging: 25Kg, 1.125T per barrel.Recommended Storage ConditionIt¡¯s better to be stored in cool and dry environment. Three months storage at room temperature (25 ¡æ) , its activity is not less than the labelled activity. Avoid long-term storage or other hazardous conditions containing the high temperature.Cool and dry environment is preferable for storage. Retained activity after three months of storage at room temperature (25 ¡æ) is guaranteed above labelled activity. Avoid long-term storage or other hazardous high temperature conditions.