黑曲霉产粥化酶的发酵条件优化和浓缩酶液的制备

Optimal Macerating Enzyme Fermentation Condition by Aspergillus niger and the Condensed Enzyme Liquid Preparation

摘要:

对作者所在实验室保藏的高产果胶酶的粥化酶产生菌株A．niger 537进行发酵营养和培养条件的优化，确定优化的工艺条件，果胶酶、纤维素酶、木聚糖酶、蛋白酶和糖化酶的干曲酶活分别达到4973，199．8，4993．3，26636．7，3170μ／g．同时对浸提条件及浓缩酶液的制备进行了考察．

Abstract:

The optimal nutrition and culture conditions of Aspergillus niger strain 537 were studied.The solid koji activity of pectinase, CMCase, xylanase,glucoamylase and proteinase were 4 973.6, 199.8,4 993.3, 3 170.0,26 636.7 U/g, respectively.The extracting con