Effects of different levels of phospholipids on fatty acid composition, body lipid content and lipase activity in stellate fish (Acipenser stellatus) stellatus)

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JAFARI FATEMEH; NOORI FARZANEH; AGH NASER; TUKMECHI AMIR

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Journal: JOURNAL OF APPLIED ICHTHYOLOGICAL RESEARCH Year:2019 | Volume:7 | Issue:1 Page(s): 31-46

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Title

Effects of different levels of phospholipids on fatty acid composition, body lipid content and lipase activity in stellate fish (Acipenser stellatus) stellatus)

Author(s)

JAFARI FATEMEH | NOORI FARZANEH | AGH NASER | TUKMECHI AMIR | Issue Writer Certificate

Keywords

Acipenser stellatusQ1

PhospholipidsQ1

Lipase enzymeQ2

lipidQ1

Abstract

Abstract This study was conducted to investigate the effect of different levels of Phospholipids on fatty acid profile, lipid content of body and lipase activity in stellate fish (Acipenser stellatus) fed different levels of lecithin as phospholipid source. The fish with average weight of 11. 25 ± 0. 06 g were fed seven different diets having identical levels of protein and lipid content but different levels of soy bean lecithin (1, 2, 4, 6, 8 and 10 percent) for 11 weeks. The fish were fed at satiety during experimental period. The results showed that using up to 10% soy bean lecithin in the fish diet increased linoleic, saturated fatty acids (SFA) and n-6 highly unsaturated fatty acids (n-6 HUFA) significantly in the fish body (p<0. 05), whereas there was no significant difference in EPA and DHA levels. The results revealed that the body fat composition is significantly influenced with the fat content in the diet, however, maximum lipid was observed in fish fed 6% lecithin. The lipase activity in the digestive system of stellate fish increased significantly in the groups fed 2-4% lecithin. Therefore, we can conclude that increase in soy bean lecithin level of diet up to 4 and 6% can significantly increase the lipase activity and SFA, al MUFA and n-6 HUFA fatty acids level in the stellate fish at this weight range respectively.

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APA: Copy

NOORI, FARZANEH, JAFARI, FATEMEH, AGH, NASER, & TUKMECHI, AMIR. (2019). Effects of different levels of phospholipids on fatty acid composition, body lipid content and lipase activity in stellate fish (Acipenser stellatus) stellatus). JOURNAL OF APPLIED ICHTHYOLOGICAL RESEARCH, 7(1 ), 31-46. SID. https://sid.ir/paper/375518/en

Vancouver: Copy

NOORI FARZANEH, JAFARI FATEMEH, AGH NASER, TUKMECHI AMIR. Effects of different levels of phospholipids on fatty acid composition, body lipid content and lipase activity in stellate fish (Acipenser stellatus) stellatus). JOURNAL OF APPLIED ICHTHYOLOGICAL RESEARCH[Internet]. 2019;7(1 ):31-46. Available from: https://sid.ir/paper/375518/en

IEEE: Copy

FARZANEH NOORI, FATEMEH JAFARI, NASER AGH, and AMIR TUKMECHI, “Effects of different levels of phospholipids on fatty acid composition, body lipid content and lipase activity in stellate fish (Acipenser stellatus) stellatus),” JOURNAL OF APPLIED ICHTHYOLOGICAL RESEARCH, vol. 7, no. 1 , pp. 31–46, 2019, [Online]. Available: https://sid.ir/paper/375518/en

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