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Feeding effect of yellow wine lees fermented with Candida utilis and Bacillus subtilis in the cow diet on milk composition

文献类型： 外文期刊

作者： Yao, Kaiyong 2 ; Xia, Qile 1 ; Cao, Yan 1 ; Chen, Bindan 4 ; Caib, Jie 2 ; Liu, Chenxing 1 ;

作者机构： 1.Zhejiang Acad Agr Sci, Food Sci Inst, Hangzhou 310021, Peoples R China

2.Zhejiang Univ, Inst Dairy Sci, Coll Anim Sci, Hangzhou 310058, Peoples R China

3.Lanhai Ecol Agr Hangzhou Co Ltd, Hangzhou 311402, Peoples R China

4.Zhejiang Guolan Agr Technol Co Ltd, Shaoxing 311800, Peoples R China

关键词： Genome sequencing; Yellow wine lees; Fermentation; Holstein cow; Milk composition

期刊名称：FOOD BIOSCIENCE （ 影响因子：5.2； 五年影响因子：5.4 ）

ISSN： 2212-4292

年卷期： 2023 年 55 卷

页码：

收录情况： SCI

摘要： Yellow wine lees (YWL) are the main byproduct in the yellow wine brewing and can be used as animal feed. The deficiencies in fiber digestibility and amino acid equilibrium of YWL limited its utility value in animal feeding. The nutritional profile of YWL could be moderated after fermentation treatment. We fermented YWL with Candida utilis KF01 and Bacillus subtilis KF02, whose genomes were sequenced. We set three groups in the animal test with 15 Holstein cows: control, YWL, and fermented yellow wine lees (FYWL) group. 206 and 5 amino acid metabolism-related KEGG pathways, as well as 5257 (639 GO and 4618 eggNOG annotations) and 1579 (372 GO and 1207 eggNOG annotations) amino acid metabolism-related gene annotations were found in C. utilis KF01 and B. subtilis KF02. The collected milk samples were analyzed for composition. The contents of mono-unsaturated fatty acid (MUFA, 36.90% relative content), poly-unsaturated fatty acid (PUFA, 5.63% relative content), and essential amino acid (EAA, 2.01%) in the FYWL group milk were significantly (P < 0.05) higher. The content of flavor substances in the FYWL group (146.33 ng/mL) was the highest, followed by the control (89.19 ng/mL) and the YWL group (41.36 ng/mL). The principal component analysis (PCA) result presented the intra-group vari-ations in flavor substances and differences in single substance among all groups. Feeding FYWL had significant effects (P < 0.05) in the Holstein cows on the milk composition.

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