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Implications of vitamin D for flesh quality of grass carp(Ctenopharyngodon idella):antioxidant ability,nutritional value,sensory quality,and myofiber characteristics

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Journal of Animal Science and Biotechnology 2023年第6期14卷 2596-2613页

作者： Yao Zhang Chaonan Li Xiaoqiu Zhou Weidan Jiang Pei Wu Yang Liu Hongmei Ren Lu Zhang Haifeng Mi Jiayong Tang Ruinan Zhang Lin Feng Animal Nutrition Institute Sichuan Agricultural UniversityChengdu 611130SichuanChina. Fish Nutrition and Safety Production University Key Laboratory of Sichuan Province Sichuan Agricultural UniversityChengdu 611130China. Key Laboratory for Animal Disease‑Resistant Nutrition of China Ministry of Education Sichuan Agricultural UniversityChengdu 611130China. Healthy Aquaculture Key Laboratory of Sichuan Province Tongwei Co.Ltd.Chengdu 610041SichuanChina.

Background Muscle represents a unique and complex system with many components and comprises the major edible part of *** D is a critical nutrient for animals and is known to enhance calcium absorption and immune *** recent years,dietary vitamin D supplementation in livestock has received increased attention due to biological responses including improving shear force in mammalian ***,the vitamin D acquisition and myofiber development processes in fish differ from those in mammals,and the effect of vitamin D on fish flesh quality is poorly ***,the influence of dietary vitamin D on fillet quality,antioxidant ability,and myofiber development was examined in grass carp(Ctenopharyngodon idella).Methods A total of 540 healthy grass carp,with an initial average body weight of 257.24±0.63 g,were allotted in 6 experimental groups with 3 replicates each,and respectively fed corresponding diets with 15.2,364.3,782.5,1,167.9,1,573.8,and 1,980.1 IU/kg vitamin D for 70 *** Supplementation with 1,167.9 IU/kg vitamin D significantly improved nutritional value and sensory quality of fillets,enhancing crude protein,free amino acid,lipid,and collagen contents;maintaining an ideal pH;and reduc-ing lactate content,shear force,and cooking loss relative to respective values in the control(15.2 IU/kg)*** myofiber diameter and the frequency of myofibers>50μm in diameter increased under supplementation with 782.5–1,167.9 IU/kg vitamin *** of oxidative damage biomarkers decreased,and the expression of antioxi-dant enzymes and nuclear factor erythroid 2-related factor 2 signaling molecules was upregulated in the 1,167.9 IU/kg vitamin D treatment compared to respective values in the control ***,vitamin D supplementation activated cell differentiation by enhancing the expression of myogenic regulatory factors and myocyte enhancer factors compared to that in the control *** addition,supplementation with 1,167.9 IU/kg

关键词： Antioxidant Grass carp myofiber development Nutritional value Sensory quality Vitamin D

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