Analysis of Nutrient Composition in Muscle of Hybrid Sleeper Oxyeleotris marmoratus ♀ and O. lineolatus ♂
SU Huanhuan1, MA Dongmei1, ZHU Huaping1, LIN Minghui1, FAN Jiajia1, CHI Jinquan2, LIANG Kangwei1
1. Key Laboratory of Tropical & Subtropical Fishery Resource Application & Cultivation,Ministry of Agriculture and Rural Affairs, Pearl River Fisheries Research Institute, Chinese Academy ofFishery Sciences, Guangzhou 510380, China; 2. Guangzhou Ruifeng Fishery Development Limited Company, Guangzhou 511447, China
Abstract：In order to evaluate the nutritional value and freshness of muscle in sleeper Oxyeleotris marmoratus, O. lineolatus and their hybrid, the contents of approximate nutritional, amino acid, and fatty acid compositions and mineral elements of three populations were determined and compared by the general nutritional determination methods. The results showed that the contents of moisture, crude protein, crude fatty and crude ash were 75.80%—79.23%, 18.33%—19.23%, 0.62%—1.63% and 1.20%—1.33%, respectively in which the crude protein and crude fatty contents in the muscle were significantly higher in the hybrids than those in the others (P<0.05). The crude fat content was significantly higher than that of O. lineolatus (P<0.05) with the maximal total delicious amino acid in the muscle in the hybrid, and without significant difference (P>0.05). The ratio of essential amino acids (EAA) to total amino acids of the three populations was found to be higher than the FAO/WHO scoring model and close to the whole chicken protein model. A total of 26 fatty acids were detected in the muscles of O. marmoratus, O. lineolatus and the hybrids. The content of unsaturated fatty acids was 78.51% in the hybrids, significantly higher than that in O. marmoratus (64.02%) (P<0.05).The content of polyunsaturated fatty acids in the muscle of the hybrids was 48.18%, significantly higher than that of O. lineolatus. It can be seen that the three groups are high nutritional value, and the composition and that contents of amino acids and fatty acids of the hybrid are slightly superior to those of its parents, showing a certain heterosis.
苏换换, 马冬梅, 朱华平, 林明辉, 樊佳佳, 池金泉, 梁康威. 云斑尖塘鳢与线纹尖塘鳢杂交种肌肉营养成分分析[J]. 水产科学, 2022, 41(2): 258-265.
SU Huanhuan, MA Dongmei, ZHU Huaping, LIN Minghui, FAN Jiajia, CHI Jinquan, LIANG Kangwei. Analysis of Nutrient Composition in Muscle of Hybrid Sleeper Oxyeleotris marmoratus ♀ and O. lineolatus ♂. 水产科学, 2022, 41(2): 258-265.
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2022, Vol. 41 
