Seasonal Changes in the Lipid and Fatty Acid Profile of Pomadasys stridens (Forsskål, 1775) Caught from Mersin Bay

Acta Natura et Scientia Pub Date : 2020-12-31 DOI:10.29329/ACTANATSCI.2020.313.3

Mısra Bakan, N. Çiftçi, D. Ayas

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Abstract

The seasonal changes in the total lipid and fatty acid profile of Pomadasys stridens, which were caught from Mersin Bay, were examined. Total lipid changes were found as 4.09%, 7.54%, 2.56%, and 1.81% in spring, summer, autumn, and winter seasons, respectively. A total of 30 fatty acids were defined in the muscle tissue by GC analysis. Among these, the major fatty acids are saturated fatty acids such as (SFA) palmitic acid (C16:0) and stearic acid (C18:0), monounsaturated fatty acids as oleic acid (C18:1n9c) and 11docosenoic acid (C22:1n11), and polyunsaturated fatty acids as eicosapentaenoic acid (C20:5n3), and docosahexaenoic acid (C22:6n3). Palmitic acid and stearic acid varied in the range of 16.92-22.74%, and 8.0613.86%; and they were found at the level of 297.82-1567.14 mg/100g and 182.49555.46 mg/100g, respectively. Oleic acid and 11-docosenoic acid varied in the range11.54-21.32% and 2.99-4.98%, and they were determined to range 251.201436.89 mg/100g and 72.56-206.06 mg/100g, respectively. Eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) varied in the range of 3.58-5.45% and 5.57-13.42%; the levels of EPA and DHA were found 55.27-324.59 mg/100g and 153.12-492.90 mg/100g, respectively. TheΣn3, Σn6, Σn9 fatty acid levels of P. stridens changed between 10.65-19.41%, 3.45-4.50%, 12.59-22.72%; and they were found 233.75-733.95 mg/100g, 68.40-237.76 mg/100g, 271.12-1531.99 mg/100g respectively. The change intervals of the atherogenicity index (Ai) and thrombogenicity index (Ti) levels during the year were determined as 0.32-0.42% and 0.39-0.51%, respectively. Bakan et al. (2020) Acta Natura et Scientia 1(1): 12-23

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在梅尔辛湾捕获的阔叶鲳鱼脂质和脂肪酸谱的季节变化

研究了在美尔辛湾捕获的阔步鲳鱼总脂质和脂肪酸谱的季节变化。春、夏、秋、冬4个季节总脂质变化分别为4.09%、7.54%、2.56%和1.81%。通过气相色谱分析，在肌肉组织中确定了30种脂肪酸。其中，主要脂肪酸为饱和脂肪酸(SFA)棕榈酸(C16:0)和硬脂酸(C18:0)，单不饱和脂肪酸如油酸(C18:1n9c)和11二十二烯酸(C22:1n11)，多不饱和脂肪酸如二十碳五烯酸(C20:5n3)和二十二碳六烯酸(C22:6n3)。棕榈酸和硬脂酸的变化范围分别为16.92 ~ 22.74%和8.0613.86%;分别为297.82 ~ 1567.14 mg/100g和182.49555.46 mg/100g。油酸和11-二十二酸含量变化范围为11.54 ~ 21.32%和2.99 ~ 4.98%，测定范围分别为251.2014 ~ 436.89 mg/100g和72.56 ~ 206.06 mg/100g。二十碳五烯酸(EPA)和二十二碳六烯酸(DHA)分别为3.58 ~ 5.45%和5.57 ~ 13.42%;EPA和DHA含量分别为55.27 ~ 324.59 mg/100g和153.12 ~ 492.90 mg/100g。TheΣn3、Σn6、Σn9的脂肪酸含量变化范围分别为10.65 ~ 19.41%、3.45 ~ 4.50%、12.59 ~ 22.72%;分别为233.75 ~ 733.95 mg/100g、68.40 ~ 237.76 mg/100g、271.12 ~ 1531.99 mg/100g。年内动脉粥样硬化指数(Ai)和血栓形成指数(Ti)水平的变化区间分别为0.32 ~ 0.42%和0.39 ~ 0.51%。Bakan et al.(2020)自然科学学报1(1):12-23

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Acta Natura et Scientia

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