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壳寡糖对大黄鱼肌肉口感及营养价值的影响

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为探究壳寡糖对舟山大黄鱼肌肉口感及营养成分的影响,选取舟山市大黄鱼养殖示范点网箱大黄鱼鱼苗为研究对象,分别投喂壳寡糖添加量为0‰、0.3‰、0.6‰的饲料160 d.结果表明,在饲料中添加适量壳寡糖可提高大黄鱼肌肉的硬度、咀嚼性和弹性,改善了大黄鱼肌肉口感,提高了大黄鱼肌肉中粗蛋白质含量,降低了粗脂肪含量;在一定程度上改善氨基酸、脂肪酸含量结构,提高了大黄鱼肌肉营养价值及品质,且壳寡糖在大黄鱼饲料中的推荐添加量约为0.3‰.
The Effect of Chitosan Oligosaccharides on the Taste and Nutritional Value of Larimichthys crocea Muscle
To investigate the effects of chitosan oligosaccharides on the muscle taste and nutritional com-position of Larimichthys crocea.Selecting the net cage L.crocea fry from the demonstration site of L.crocea aquaculture in Zhoushan city as the research object,feeding them with feed with 0‰,0.3‰,and 0.6‰ chi-tosan oligosaccharides for 160 days.The results showed that adding an appropriate amount of chitosan oligosac-charides to feed can improve the hardness,chewiness,and elasticity of L.crocea muscles,improve the taste of L.crocea muscles,increase the crude protein content in L.crocea muscles,and reduce the crude fat content.To a certain extent,it improves the content and structure of amino acids and fatty acids,enhances the nutri-tional value and quality of L.crocea muscles,and the recommended amount of chitosan oligosaccharides in L.crocea feed is about 0.3‰.

Larimichthys croceachitooligosaccharidestastenutritive value

夏枫峰、油九菊、王易帆、范卫明

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浙江省舟山市水产研究所,浙江舟山 316021

大黄鱼 壳寡糖 口感 营养价值

2024

浙江海洋大学学报(自然科学版)
浙江海洋学院

浙江海洋大学学报(自然科学版)

影响因子:0.394
ISSN:2096-4730
年,卷(期):2024.43(3)