Low-temperature alpha-amylase Appearance: liquid with low subsidence Colour: brown Odour: normal microbian fermentation odour Ph: stable 5.5-7.0, optimum 6.0-6.5, inactive seriously under 5.0 Bulk density: 1.25 g/ml Enzymatic activity: 2, 000 u/ml Activity temperature: favorable 85-90 celsius Liquidize instantly Calcium ion consistence: calcium ion can protect the product 25kgs/drum; 1, 125kgs/drum
