硫苷降解菌筛选及改良菜籽粕营养特性的研究Screening of glucosinolates-degrading bacteria and their role in improving the nutrition characteristics of rapeseed meal
为改善菜籽粕的营养价值,以腐烂菜籽粕为原料,硫苷为唯一碳源,筛选可高效降解菜籽粕中主要抗营养因子硫苷的菌株,并经16S rRNA基因序列分析对其进行种属鉴定。以筛选得到的菌株和枯草芽孢杆菌、植物乳杆菌单菌或组合菌对菜籽粕进行固态发酵,并以硫苷降解率和粗蛋白质增加率为指标,采用综合评分法对混菌发酵菌株接种量进行优化。结果表明:获得2株硫苷降解率大于25%的菌株B3、B16,经鉴定分别为欧文氏杆菌(Erwinia tasmaniensis)、鸡肠球菌(Enterococcus gallinarum);相较于单菌发酵和两菌、三菌组合发酵,四菌组合发酵的硫苷降解效果最好;四菌组合发酵中B3、B16、枯...
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| Main Author: | 张寒1,2,韩梅1,2,郑竟成1,2,罗质1,2,雷芬芬1,2,3,陈东1,2, 周力1,2,何东平1,2,3,刘曙4,洪坤强1,2,3 ZHANG Han1,2, HAN Mei1,2, ZHENG Jingcheng1,2, LUO Zhi1,2, LEI Fenfen1,2,3, CHEN Dong1,2, ZHOU Li1,2, HE Dongping1,2,3, LIU Shu4, HONG Kunqiang1,2,3 |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
中粮工科(西安)国际工程有限公司
2025-03-01
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| Series: | Zhongguo youzhi |
| Subjects: | |
| Online Access: | http://tg.chinaoils.cn/zgyz/ch/reader/create_pdf.aspx?file_no=20250304&flag=1 |
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