牡蛎
倍性
风味
牡蛎
生物
渔业
食品科学
生物化学
基因
作者
Shijie Bi,Changhu Xue,Yunqi Wen,Zhaojie Li,Hongying Liu
标识
DOI:10.1016/j.lwt.2023.114654
摘要
The quality of diploid oyster (crassostrea gigas) decreased significantly during the breeding period, which reflected the quality advantage of triploid oyster. However, there were few comparative studies on flavor quality characteristics between diploid and triploid oysters. This study compared the non-volatile compounds and volatile compounds between triploid and diploid oysters. These results showed that the percentage of eicosapentaenoic acid (EPA) in diploid oysters (18.68 ± 0.26%) was significantly higher than that in triploid oysters (16.16 ± 1.61%). The content of inosincacid (IMP) in diploid oysters (16.13 ± 0.03 mg/100 g) was significantly lower than that in triploid oysters (22.27 ± 0.41 mg/100 g). Adenosine monophosphate (AMP) content (364.08 ± 0.48 mg/100 g), succinic acid content (1244.51 ± 24.81 mg/100 g), and total free amino acid content (638.34 ± 17.32 mg/100 g) were significantly higher than those of triploid oysters (248.85 ± 2.32 mg/100 g, 420.99 ± 8.76 mg/100 g, 552.71 ± 17.32 mg/100 g, respectively). The main volatile compounds in diploid and triploid Pacific oysters were alcohols, aldehydes, ketones and esters. The volatile compounds content in triploid oysters were higher than those in diploid oysters. This study will provide basic data of Pacific oyster flavor and essential for the flavor pattern of seafood.
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