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菌种对发酵豆粕营养成分的影响

作  者:
安晓萍;王哲奇;齐景伟;于长青;陈大勇;仝宝生
单  位:
内蒙古农业大学动物科学学院;内蒙古斯隆生物技术有限责任公司
关键词:
混菌;豆粕;发酵豆粕;营养成分
摘  要:
文章通过比较发酵豆粕中多肽的含量,筛选出发酵豆粕的最适菌种及其比例,并比较了豆粕发酵前后的营养成分变化。结果表明,以枯草芽孢杆菌和米曲霉按2 1比例混合固态发酵豆粕,产物中多肽含量最高;发酵豆粕中多肽、粗蛋白、粗脂肪、钙和磷的含量显著高于发酵前水平,分别提高了1 673.1%、27.29%、20.25%、32.50%和61.53%;发酵豆粕的氨基酸总量提高了1.12倍;而粗纤维、粗灰分、胰蛋白酶抑制因子含量显著低于发酵前,分别降低了21.12%、13.58%和83.10%,是一种优质的功能性肽蛋白饲料。
译  名:
Effect of mixed-strains fermentation on nutritional quality of soybean meals
作  者:
An Xiaoping;Wang Zheqi;Qi Jingwei;Yu Changqing;Chen Dayong;Tong Baosheng;
关键词:
mixed-strains;;soybean meal;;fermented soybean meal;;nutritional composition
摘  要:
The study was carried out to screen strain and determine the change of nutritional characteristics of soybean meal fermented with mixed-strains. Results show that the best multistrains inoculums size ratio of Bacillus subtilis and Aspergillus oryzae was 2 1, while the con tent of soybean peptide in the product could reach 13.84%. After the fermentation, the contents of soybean peptide, crude protein, crude fat, calcium, and phosphate increased by 1673.1%,27.29%, 20.25%, 32.50%, and 61.53%,respectively, while there is significant decreasing in crude fibre(21.12%), crude ash(13.58%), and trypsin inhibiter(83.10%). The content of total ami no acid was 38.33%, it was increased by 1.12 times. The fermentation leads the soybean meal to take place certain extents of decompose and to become a functional peptide protein feed.

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