Renuka Vijayakumar, Zynudheen Abubacker Aliyamveetil, Panda Satyen Kumar, Ravishankar Chandragiri Nagaraja Rao
Veraval Research Centre, Matsya Bhavan, Bhidia Plot, Veraval, Gujarat 362 269 India.
Central Institute of Fisheries Technology, Willingdon Island, Cochin, Kerala 682 029 India.
J Food Sci Technol. 2017 May;54(6):1742-1745. doi: 10.1007/s13197-017-2539-2. Epub 2017 Mar 29.
Chemical composition ., fatty acids, amino acids and minerals of yellowfin tuna ( eye were analyzed for better utilization of fish processing discards. Analysis of fatty acids composition by gas chromatography-mass spectrometry revealed the presence of polyunsaturated fatty acids namely docosahexaenoic acid, eicosapentaenoic acid, arachidonic acid and linoleic acid at the levels of 37.8, 7.1, 3.6 and 1.4%, respectively. The major available monounsaturated fatty acids, palmitoleic acid and oleic acid were present at the level of 17.9 and 18.3% respectively. Myristic acid was the dominant saturated fatty acid and occupied 2% of the total fatty acids. Amino acid analysis by high-performance liquid chromatography showed that the tuna eye has a high concentration of glycine (19.24 mg/100 g) followed by glutamic acid (16 mg/100 g) and aspartic acid (12.76 mg/100 g). The results revealed that yellowfin tuna eye could be used as a potential source of ω-3 fatty acids and essential amino acids.
对黄鳍金枪鱼的眼睛进行了化学成分、脂肪酸、氨基酸和矿物质分析，以更好地利用鱼类加工废弃物。通过气相色谱 - 质谱联用仪对脂肪酸组成进行分析，结果显示存在多不饱和脂肪酸，即二十二碳六烯酸、二十碳五烯酸、花生四烯酸和亚油酸，其含量分别为37.8%、7.1%、3.6%和1.4%。主要的单不饱和脂肪酸棕榈油酸和油酸的含量分别为17.9%和18.3%。肉豆蔻酸是主要的饱和脂肪酸，占总脂肪酸的2%。通过高效液相色谱法进行的氨基酸分析表明，金枪鱼眼中甘氨酸浓度较高（19.24毫克/100克），其次是谷氨酸（16毫克/100克）和天冬氨酸（12.76毫克/100克）。结果表明，黄鳍金枪鱼的眼睛可作为ω-3脂肪酸和必需氨基酸的潜在来源。
