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:: Volume 5, Issue 17 (2014) ::
2014, 5(17): 83-90 Back to browse issues page
Nutritional Value Evaluation of Two Seaweed of the Gulf of Oman: Sargassum illicifolium and Gracillaria cortica
Mahmoud Hafezieh , Seyed Hassan Hosseini , Danial Ajdari , Homeira Hossein Pour
, jhafezieh@yahoo.com
Abstract:   (10157 Views)
Studies were conducted to evaluate nutritional qualities of two seaweed, Sargassum illicifolium and Gracillaria cortica, with a view to their utilization in Shrimp nutrition. The proximate composition, minerals and vitamin contents, free fatty acid, and amino acid profiles were investigated. Protein and ash content were the two abundant components in these seaweeds. S. illicifolium and G. cortica contained 9.18±1.15% and 18.29±2.1% Protein and 29.15±3.43%, and 23.11±1.43% ash based on dry weight, respectively. Both seaweeds contained high amounts of minerals, although both kinds of seaweeds were notably rich in iodine. S. illicifolium was also rich in potassium, calcium and magnesium, while G. cortica was rich in other minerals, especially ferrous and copper. Total essential and unessential amino acids (g/ 100 g sample) of S. illicifolium and G. cortica were 4.7 and 7.47: 7.67 and 13.8, respectively without any statistical differences (P>0.05). Results showed both seaweeds had all essential AA which were needed for shrimp feeding. All saturated FA, Mono unsaturated FA, Di- and more double band unsaturated FA ( mg /g sample) and DHA/ EPA ratio were 10.87 and 2.76: 1.11 and 0.513: 1.06 and 0.4: 3.66 and 1.33 respectively with differences statistically (P<0.05). Vitamin E, C and Tiamin with amounts of 32.2 and 37.5: 890 and 1200: 45 and 71 (mg/ 100 feed) in S. illicifolium and G. cortica respectively showed differences between these two seaweeds statistically (P<0.05). While, other vitamins were not significantly different between these two seaweeds (P>0.05). Both seaweeds showed their potential of being healthy food for shrimp diets or as a source of ingredients with high nutritional values.
Keywords: S. illicifolium, G. cortica, Nutritional value, Gulf of Oman.
Full-Text [PDF 143 kb]   (2550 Downloads)    
Type of Study: Research/ Original/ Regular Article |
Received: 2014/06/22 | Revised: 2015/02/28 | Accepted: 2014/06/22 | ePublished: 2014/06/22


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Hafezieh M, Hosseini S H, Ajdari D, Hossein Pour H. Nutritional Value Evaluation of Two Seaweed of the Gulf of Oman: Sargassum illicifolium and Gracillaria cortica. Journal of Oceanography 2014; 5 (17) :83-90
URL: http://joc.inio.ac.ir/article-1-524-en.html


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Volume 5, Issue 17 (2014) Back to browse issues page
نشریه علمی پژوهشی اقیانوس شناسی Journal of Oceanography
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