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饲喂益生菌对苏尼特羊血液参数、尾脂代谢产物及挥发性风味成分的影响

Impact of Feeding Probiotics on Blood Parameters, Tail Fat Metabolites, and Volatile Flavor Components of Sunit Sheep.

作者信息

Liu Ting, Zhang Taiwu, Zhang Yanni, Yang Le, Duan Yan, Su Lin, Tian Jianjun, Sun Lina, Wang Bohui, Jin Ye

机构信息

College of Food Science and Engineering, Inner Mongolia Agricultural University, Hohhot 010018, China.

Ordos City Inspection and Testing Center, Ordos 017000, China.

出版信息

Foods. 2022 Aug 31;11(17):2644. doi: 10.3390/foods11172644.

DOI:10.3390/foods11172644
PMID:36076827
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9455658/
Abstract

Sheep crude tail fat has unique nutritional values and is used as a raw material for high-quality natural oil. The purpose of this study was to investigate the effects of probiotics on the metabolites and flavor of sheep crude tail fat. In this study, 12 Sunit sheep were randomly divided into an experimental group (LTF, basal feed + Lactiplantibacillusplantarum powder) and a control group (CTF, basal feed). The results of sheep crude tail fat analysis showed that blood lipid parameters were significantly lower and the expression of fatty acid synthase and stearoyl-CoA desaturase genes higher in the LTF group than in the CTF group (p < 0.05). Metabolomic analysis via liquid chromatography−mass spectrometry showed that the contents of metabolites such as eicosapentaenoic acid, 16-hydroxypalmitic acid, and L-citrulline were higher in the LTF group (p < 0.01). Gas chromatography−mass spectrometry detection of volatile flavor compounds in the tail fat showed that nonanal, decanal, and 1-hexanol were more abundant in the LTF group (p < 0.05). Therefore, Lactiplantibacillus plantarum feeding affected blood lipid parameters, expression of lipid metabolism-related genes, tail fat metabolites, and volatile flavor compounds in Sunit sheep. In this study, probiotics feeding was demonstrated to support high-value sheep crude tail fat production.

摘要

绵羊粗尾脂具有独特的营养价值，是优质天然油脂的原料。本研究旨在探讨益生菌对绵羊粗尾脂代谢产物和风味的影响。本研究将12只苏尼特羊随机分为实验组（LTF，基础饲料+植物乳杆菌粉）和对照组（CTF，基础饲料）。绵羊粗尾脂分析结果表明，LTF组的血脂参数显著低于CTF组，脂肪酸合酶和硬脂酰辅酶A去饱和酶基因的表达高于CTF组（p<0.05）。通过液相色谱-质谱联用的代谢组学分析表明，LTF组中二十碳五烯酸、16-羟基棕榈酸和L-瓜氨酸等代谢产物的含量较高（p<0.01）。气相色谱-质谱联用检测尾脂中的挥发性风味化合物表明，LTF组中的壬醛、癸醛和1-己醇含量更高（p<0.05）。因此，饲喂植物乳杆菌会影响苏尼特羊的血脂参数、脂质代谢相关基因的表达、尾脂代谢产物和挥发性风味化合物。在本研究中，证明了饲喂益生菌有助于生产高价值的绵羊粗尾脂。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7244/9455658/46311438a569/foods-11-02644-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7244/9455658/6a2e6c082d23/foods-11-02644-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7244/9455658/908e346c1b0e/foods-11-02644-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7244/9455658/395d9b29c2dc/foods-11-02644-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7244/9455658/99e64f744844/foods-11-02644-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7244/9455658/46311438a569/foods-11-02644-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7244/9455658/6a2e6c082d23/foods-11-02644-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7244/9455658/908e346c1b0e/foods-11-02644-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7244/9455658/395d9b29c2dc/foods-11-02644-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7244/9455658/99e64f744844/foods-11-02644-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7244/9455658/46311438a569/foods-11-02644-g005.jpg

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