EGCG改善肉质,恢复脂质代谢障碍,调节高脂肪养肉的肠道菌群
Lujia Gao1, Chen Liu1, Jiaqi Wu1
1Institute of Animal Nutrition, Northeast Agricultural University, Harbin 150030, China.
Poultry science
|February 7, 2025
概括
乙甲基酸盐 (EGCG) 通过提高肉质和抗氧化能力来改善 brojler 的健康. 在高脂肪饮食中补充EGCG可以减少脂肪积累和炎症,积极影响肠道微生物群和营养利用.
科学领域:
- 动物营养和新陈代谢
- 食品科学与技术 食品科学与技术
- 微生物学 微生物学
背景情况:
- brojlers 的高脂肪饮食 (HFD) 导致疾病抵抗力降低,肉质差,以及代谢障碍.
- 作为茶叶的生物活性成分,表甲基酸盐 (EGCG) 在营养代谢调节方面显示出潜力.
研究的目的:
- 在HFD条件下研究EGCG补充剂对 brojler性能,肉质,脂质代谢和肠道微生物群的影响.
主要方法:
- 肉被分为三个组:基础饮食,HFD和HFD与EGCG补充剂.
- 评估生产性能,肉质参数 (颜色,滴滴损失),抗氧化能力,血液和肝脂,葡萄糖水平,基因表达 (脂肪酸合成酶) 和肠道微生物组成 (16S rRNA测序).
主要成果:
- EGCG改善了肉的轻度,减少了滴滴损失,增强了氨基酸含量,并促进了抗氧化剂基因表达.
- 在HFD诱导的肥胖中,EGCG显著降低了血液脂质,葡萄糖,肝脏脂肪积累和炎症.
- EGCG调节了肠道微生物群,减少了Bacteroidota,增加了像Firmicutes这样的有益细菌,并增强了抗氧化酶活性 (CAT,SOD).
结论:
- EGCG是一种有前途的食添加剂,可以改善肉的健康,料营养利用率和肉质,特别是在高脂肪养场景中.
- 通过减少脂质合成,氧化应激和炎症,EGCG可以减轻HFD的负面影响,同时积极影响肠道微生物群.
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