Effects of dietary Periplaneta americana water extract on growth, chemical composition, muscle antioxidant status, and meat quality of Nile tilapia
文献类型： 外文期刊
作者： Yang, H. C. 1 ; Li, Y. C. 1 ; Wang, G. J. 1 ; Xie, J. 1 ; Yu, E. M. 1 ;
作者机构： 1.Chinese Acad Fishery Sci, Pearl River Fisheries Res Inst, Guangzhou 510380, Peoples R China
关键词： Periplaneta americana water extract; nile tilapia; antioxidant capacity; chemical composition; meat quality
期刊名称：JOURNAL OF INSECTS AS FOOD AND FEED （ 影响因子：4.7； 五年影响因子：4.9 ）
ISSN：
年卷期： 2024 年 10 卷 4 期
页码：
收录情况： SCI
摘要： This study investigated the effects of dietary Periplaneta americana water extract (PAWE) supplementation (0, 1, 2, and 4 g/kg) on the chemical composition, antioxidant capacity, and meat quality in Nile tilapia. The results showed that the extract improved weight gaining rated of Nile tilapia (Oreochromis niloticus). Meanwhile, dietary PAWE decreased lactate content, glycolytic potential, centrifugal water loss, and cooking loss, and enhanced muscle pH, protein content, total sulfhydryl content and meat color in Nile tilapia muscle. Dietary PAWE also improved the total antioxidant capability with enhanced superoxide dismutase, catalase, and glutathione peroxidase activities and lowered contents of reactive oxygen species, and lipid and protein oxidation products (i.e. thiobarbituric acid reactive species and protein carbonylation). Moreover, dietary PAWE enhanced the contents of flavor amino acids, total amino acids, adenosine monophosphate, and 5'-inosine monophosphate with enhanced the taste indicators (umami, richness and sweetness). In addition, PAWE supplementation improved myofiber growth and muscle protein deposition likely by activating of the IGFs/PI3K/Akt/TOR/S6K1/4E-BP1 pathway, contributing to the enhanced growth performance of Nile tilapia. The optimal dietary PAWE requirement for maximum growth and muscle protein was approximately 3 g/kg. Together, PAWE is a promising natural food additive that enhances muscle quality and nutritional value of Nile tilapia.
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