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Barimani, Shahrzad, Hedayatifard, Masoud, Motamedzadegan, Ali, Bozorgnia, Abbas. (1399). Changes of amino acids and proximate compositions in freshwater farmed beluga sturgeon (Huso huso) caviar. سامانه مدیریت نشریات علمی, 20(1), 230-242. doi: 10.22092/ijfs.2021.123546
Shahrzad Barimani; Masoud Hedayatifard; Ali Motamedzadegan; Abbas Bozorgnia. "Changes of amino acids and proximate compositions in freshwater farmed beluga sturgeon (Huso huso) caviar". سامانه مدیریت نشریات علمی, 20, 1, 1399, 230-242. doi: 10.22092/ijfs.2021.123546
Barimani, Shahrzad, Hedayatifard, Masoud, Motamedzadegan, Ali, Bozorgnia, Abbas. (1399). 'Changes of amino acids and proximate compositions in freshwater farmed beluga sturgeon (Huso huso) caviar', سامانه مدیریت نشریات علمی, 20(1), pp. 230-242. doi: 10.22092/ijfs.2021.123546
Barimani, Shahrzad, Hedayatifard, Masoud, Motamedzadegan, Ali, Bozorgnia, Abbas. Changes of amino acids and proximate compositions in freshwater farmed beluga sturgeon (Huso huso) caviar. سامانه مدیریت نشریات علمی, 1399; 20(1): 230-242. doi: 10.22092/ijfs.2021.123546

Changes of amino acids and proximate compositions in freshwater farmed beluga sturgeon (Huso huso) caviar

Iranian Journal of Fisheries Sciences
دوره 20، شماره 1، فروردین 2021، صفحه 230-242    اصل مقاله (642.05 K)
نوع مقاله: Research Paper
شناسه دیجیتال (DOI): 10.22092/ijfs.2021.123546
نویسندگان
Shahrzad Barimani1؛ Masoud Hedayatifard* 1؛ Ali Motamedzadegan2؛ Abbas Bozorgnia1
1Qaemshahr Islamic Azad University Faculty of Agriculture and Natural Resources
2Sari Agricultural Sciences and Natural Resources University
چکیده
This work is mainly concerned with the changes of amino acids and proximate compositions of Caspian Sea Beluga sturgeon (Huso huso) caviar after culture in freshwater. Proximate compositions did no differ between wild and farmed Beluga caviar (p >0.05). Eighteen amino acids were identified in wild and farmed Beluga caviars, but they had significant differences in some amino acids content. Isoleucine was the most abundant amino acid among total amino acids, which was 50.17±2.75 (mg/g) in wild caviar and was 26.83±0.82 (mg/g) in farmed ones (p <0.05). The essential amino acids content (EAA), in wild and farmed caviar were 132.66±6.8 and 110.16±7.35 (mg/g), nonessential amino acids (NEAA) were 107.92±5.68 and 121.79±4.08 (mg/g) and total amino acids (TAA) were 240.58±12.48 and 231.95±11.43 (mg/g) respectively (p >0.05). But the ratio of EAA/NEAA in wild samples 1.23±0 was significantly higher than farmed ones 0.9±0.03 (p <0.05). Functional amino acids (FAA) in wild and farmed samples were 96.1±8.66 and 116.8±9.65 (mg/g) (p >0.05), but the ratio of (FAA/TAA) in wild caviar was 0.40±0.02and in farmed one was 0.50±0.02,which was significantly higher in farmed caviar (p <0.05). Delicious amino acids (DAA) were 54.9±1.89 and 54.86±2.01 (mg/g) in wild and farmed caviar and the ratio of (DAA/TAA) were 0.23±0 and 0.24±0 (p >0.05) respectively. The present study indicated that, farmed Beluga caviars were well balanced with the essential amino acids, functional amino acids and had a good EAA/NEAA ratio, so can be considered as a valuable food resource as well as the wild ones.
کلیدواژه‌ها
Amino acids؛ Beluga sturgeon؛ Caspian Sea؛ Caviar؛ Freshwater
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