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玉米淀粉颗粒进行降解过程中的做法

玉米淀粉颗粒进行降解过程中的做法

来源网址:https://www.swjjkl.com/ 2021-06-09 17:33:34    

近年来,随着我国淀粉工业的发展,淀粉副产物已经成为困扰企业生产发展的问题。利用合适的微生物对淀粉副产物进行生物降解,在发 酵过程中能将动物消化吸收的物质分 解转变成易消化吸收的小分子物质,同时可产生大量的菌体蛋白,是一项综合利用的有用措施。

In recent years, with the development of China's starch industry, starch by-products have become a problem that plagues the production and development of enterprises. In the process of fermentation, the starch by-products can be decomposed into small molecular substances which can be easily digested and absorbed by animals. At the same time, a large amount of bacterial protein can be produced, which is a useful measure for comprehensive utilization.
对酵母饲料而言,优良的酵母菌株为重要,它应具有安 全、生产周期短、可大量生产、抗酸及对碳源利用广的特点。假丝酵母能同六碳糖和五碳糖,能耐高浓度的二氧化硫,菌体中含有高量的蛋白质,并含有大量赖氨酸和较多的维生素及多种微量元素。酿酒酵母的蛋白质含量高,发 酵过程中能够产生醇、醛、酸、酯等风味物质,赋予饲料特殊的酸甜香味,掩盖了玉米浆的不良气味,但是酿酒酵母不耐亚硫酸盐,0.0025%二氧化硫即可阻碍其生长。
玉米淀粉颗粒
As far as yeast feed is concerned, excellent yeast strains are important. It should be safe, short production cycle, mass production, acid resistance and wide utilization of carbon sources. Candida can tolerate high concentration of sulfur dioxide with six carbon sugar and five carbon sugar. It contains high amount of protein, lysine, vitamins and many trace elements. Saccharomyces cerevisiae has high protein content. It can produce alcohols, aldehydes, acids, esters and other flavor substances in the fermentation process, which endows the feed with special sweet and sour flavor and covers up the bad smell of corn steep liquor. However, Saccharomyces cerevisiae is not resistant to sulfite, and 0.0025% sulfur dioxide can hinder its growth.
有研究结果表明,随着玉米浆量的增加,酿酒酵母生长受到抑 制。因此采用混合菌种培养,混合菌生长状况要好于前者,可优势互补,促 进生长,可有用地改 善饲料的特性,提高饲料品质。绿陇生物出品的饲料发 酵剂,即包含多种酵母、芽孢杆菌等菌种,以及添加了酶成分,非常适合发 酵玉米浆做饲料。
Some studies showed that the growth of Saccharomyces cerevisiae was inhibited with the increase of corn steep liquor. Therefore, the growth condition of mixed bacteria is better than that of the former, which can complement each other, promote growth, and effectively improve feed characteristics and feed quality. The feed starter produced by lvlong biology, which contains a variety of yeast, bacillus and other strains, as well as adding enzyme components, is very suitable for fermented corn steep liquor as feed.