Effects of dietary hawthorn extracts supplementation on lipid metabolism, skin coloration and gut health of golden pompano (Trachinotus ovatus)
文献类型： 外文期刊
作者： Tan, Xiaohong 1 ; Sun, Zhenzhu 2 ; Zhou, Meng 1 ; Zou, Cuiyun 1 ; Kou, Hongyan 1 ; Vijayaraman, Sarath Babu 1 ; Huang, 1 ;
作者机构： 1.Zhongkai Univ Agr & Engn, Coll Anim Sci & Technol, Guangzhou Key Lab Aquat Anim Dis & Waterfowl Bree, Guangdong Prov Key Lab Waterfowl Hlth Breeding, Guangzhou 510225, Guangdong, Peoples R China
2.South China Normal Univ, Sch Life Sci, Inst Modern Aquaculture Sci & Engn,Guangdong Prov, Guangzhou Key Lab Subtrop Biodivers & Biomonitori, Guangzhou 510631, Peoples R China
3.Chinese Acad Fishery Sci, South China Sea Fisheries Res Inst, Key Lab South China Sea Fishery Resources Exploit, Minist Agr, Guangzhou 510300, Peoples R China
关键词： Golden pompano; Hawthorn extract; Skin coloration; Intestinal morphology; Tight junction protein genes
期刊名称：AQUACULTURE （ 影响因子：4.242； 五年影响因子：4.723 ）
ISSN： 0044-8486
年卷期： 2020 年 519 卷
页码：
收录情况： SCI
摘要： Hawthorn fruit has long been used as a functional food in China due to its effects of increasing appetite, promoting digestion and protecting the gastrointestinal tract. The present study was conducted to assess the impact of dietary hawthorn extract (HTE) supplementation on plasma biochemical indices, proximate body composition, skin coloration, intestinal morphology and changes in mRNA expression of immune-related genes and tight junction proteins genes in the intestine of golden pompano. Basal diets supplemented with HTE at 0, 0.50, 1.00, 2.00, 4.00 and 10.00 g kg(-1) were fed to golden pompano for eight weeks. The study showed dietary HTE supplementation had hypolipidemic effects by reducing plasma cholesterol, triglyceride and low density lipoprotein content and improved skin coloration by increasing yellowness values of the ventral skin color of golden pompano. Meanwhile, dietary supplementation of 0.50 and 1.00 g kg(-1) HTE could improve gut morphology by increasing villus length, villus width and muscle thickness, and enhance barrier function by increasing tight junction protein genes mRNA levels. However, dietary 10.00 g kg(-1) HTE supplementation not only caused damage to intestinal morphology and barrier function, but also induced oxidative stress and inflammatory response. Our study demonstrated that dietary 0.50 and 1.00 g kg(-1) HTE supplementation was beneficial for skin coloration and intestinal health of golden pompano.
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