李晋祯,郑惠娜,任鼎鼎,杨文,曹文红,林海生,秦小明,章超桦.2种塔形马蹄螺肌肉营养成分分析与品质评价.渔业科学进展,2022,43(4):199-207 |
To analyze the nutritional composition and quality of Tectus pyramis in Mirs Bay and Qionghai in Hainan, the basic nutritional composition, amino acid composition, fatty acid composition, and some mineral elements in their muscle tissues were determined by the national standard method. Amino acid score, chemical score, and the essential amino acid index were used to evaluate the amino acids. The results showed that the ash content of the muscle of T. pyramis caught in Qionghai was significantly higher than that caught from Mirs Bay, but there was no significant difference in other basic nutrients (P>0.05). Total amino acid contents in the muscle tissue for individuals caught from Mirs Bay and Qionghai in Hainan were (18.45±0.13) g/100 g and (18.83±0.03) g/100 g, respectively; in both groups, the essential amino acid content was more than 27%, branched-chain amino acid content was more than 13%, and delicious amino acid content was 55%. The content of polyunsaturated fatty acids in the muscles was more than 48%. The contents of linoleic acid, α-linolenic acid, eicosapentaenoic acid (EPA), and docosahexaenoic acid (DHA) in Mirs Bay were significantly higher than those in Qionghai, and the DHA+EPA content was as high as 11.79%. Among the mineral elements detected, the content of calcium and trace element iron was the highest in the two kinds of T. pyramis, followed by trace element zinc. The calcium and zinc contents in the muscles of T. pyramis in Qionghai were significantly higher than those in Mirs Bay. In conclusion, T. pyramis have a high protein content, rich polyunsaturated fatty acids, and high muscle nutritional value, with a great potential for development. These data provide a reference for the further development and utilization of new snail food in island and reef waters. |