Purple Corn Anthocyanin Affects Lipid Mechanism, Flavor Compound Profiles, and Related Gene Expression of Longissimus Thoracis et Lumborum Muscle in Goats

被引:33
作者
Tian, Xingzhou [1 ,2 ,3 ,4 ]
Lu, Qi [1 ,2 ,3 ,4 ]
Zhao, Shengguo [1 ]
Li, Jiaxuan [2 ]
Luo, Qingyuan [2 ]
Wang, Xu [2 ]
Zhang, Yangdong [1 ]
Zheng, Nan [1 ]
机构
[1] Chinese Acad Agr Sci, Inst Anim Sci, State Key Lab Anim Nutr, Beijing 100193, Peoples R China
[2] Guizhou Univ, Coll Anim Sci, Guiyang 550025, Peoples R China
[3] Guizhou Univ, Inst Anim Nutr & Feed Sci, Guiyang 550025, Peoples R China
[4] Guizhou Univ, Key Lab Anim Genet Breeding & Reprod Plateau Mt R, Minist Educ, Guiyang 550025, Peoples R China
来源
ANIMALS | 2021年 / 11卷 / 08期
关键词
purple corn anthocyanin; lipid mechanism; flavor compound; gene expression; growing goats; VOLATILE COMPOUNDS; NATURAL ANTIOXIDANTS; OXIDATIVE STABILITY; FATTY-ACIDS; BLACK RICE; MEAT; EXTRACT; L; METABOLISM; ABSORPTION;
D O I
10.3390/ani11082407
中图分类号
S8 [畜牧、 动物医学、狩猎、蚕、蜂];
学科分类号
0905 ;
摘要
Simple Summary Natural flavor compounds can stimulate people's senses of smell and taste; as indicators of food sensory quality, such compounds influence the acceptance by consumers. In addition, natural antioxidants are becoming popular among consumers because they are safe and have no adverse side effects. Purple corn anthocyanins are polyphenolic compounds with natural antioxidant properties that exist widely in nature. Research has shown that anthocyanins can provide extra electrons to the free radicals, preventing lipid oxidation and improving muscle volatile components. However, no information is available concerning the effect of feeding anthocyanin on goat meat volatile compounds. This was the first study to investigate the effects of dietary anthocyanins from purple corn supplementation on lipid mechanism, body composition, volatile compound profiles, and related gene expression in the longissimus thoracis et lumborum muscle of goats. The current study indicates that the consumption of purple corn anthocyanin by growing goats improves mutton flavor by decreasing plasma lipid metabolism parameters and by modulating the abundance of several flavor-related genes in the longissimus thoracis et lumborum muscle. The results will help to understand the mechanism of action of anthocyanins on the flavor compounds, providing the rationale for anthocyanins regulating mutton flavor through related signaling pathways of ruminants in future studies. The current study aimed to investigate the effect of anthocyanins on muscle flavor compound profiles in goats. Goats in three groups were fed a basic diet or a diet supplemented with 0.5 g/d or 1 g/d anthocyanin-rich purple corn pigment (PCP). Compared to the control group, plasma total cholesterol was significantly decreased (p < 0.05) in the anthocyanin groups. The feeding of anthocyanin increased (p < 0.05) flavor compound types and total alcohol level, whereas it decreased (p < 0.05) total hydrocarbons, aromatics, esters, and miscellaneous compounds in the longissimus thoracis et lumborum muscle (LTL). Adding PCP to the diet enriched (p < 0.05) vegetal, herbaceous, grease, and fruity flavors compared to the control group. The 0.5 g/d PCP group had increased (p < 0.05) abundance of peroxisome proliferator-activated receptor gamma, but there was a decreased (p < 0.05) level of lipoprotein lipase in LTL. Collectively, this study indicated that anthocyanin can improve mutton flavor by decreasing plasma lipid parameters and by modulating the abundance of several flavor-related genes of goats.
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页数:14
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