真菌淀粉酶的发酵及特性（Fermentation and characteristics of fungal amylase）.docVIP

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真菌淀粉酶的发酵及特性（Fermentation and characteristics of fungal amylase）.doc

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真菌淀粉酶的发酵及特性（Fermentation and characteristics of fungal amylase）

真菌淀粉酶的发酵及特性（Fermentation and characteristics of fungal amylase） Aspergillus spp. from different seeds are screened for their ability to produce amylase. One of the selected strains, Aspergillus sp. JGI12, showed the highest enzyme activity in solid fermentation. Screening different media for enzyme production. The results showed that coconut oil filter cake, peanut oil filter cake and rice bran culture medium had better effect on the production of strain JGI12. Different combinations: wheat bran medium: peanut oil filter medium: rice bran culture medium (1:2:2), the strains have higher enzyme production. This medium will be used for the production and characterization of amylase. In addition, amylase was found to be thermostable and suitable for growing pH with a wide range of values. Introduction: in recent years, the great potential of using microorganisms as raw materials to extract amylase related to industrial production has aroused the interest of scientists in the field of microbial research. Amylase is an important enzyme in the hydrolysis of polysaccharides in industrial production of starch, which can hydrolyze starch into monosaccharide components. Although amylase can be obtained from different materials, such as plants and animals, amylase isolated from microorganisms generally meets the requirements of industrial production. In the starch processing industry, microbial amylase has successfully replaced the process of chemical hydrolysis of starch. In addition, there are in the food, peikao, brewing, detergents, textiles and papermaking potential application in industrial production. With the advent of the biotechnology industry in Xinjiang, the use of amylase spectroscopy has expanded to many other areas: medical clinical trials, drug testing and analytical chemistry. The goal of this article is to select suitable strains for amylase extraction and screen different agricultural and sideline product culture mediums to maximize the enzyme production. Dif