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- Title
Nutritional Properties of Crab (Potamon potamios Olivier, 1804) in the Lake of Eğirdir (Turkey).
- Authors
Bilgin, Şengül; Fidanbaş, Zeliha Ufuk Canlı
- Abstract
Some of the nutritional properties of freshwater crab (Potamon potamios), captured from the Lake of Egirdir, Turkey, were investigated in relation to season and sex. In the laboratory, crab meat and crab shells were seperated. All crab meat and dried crab shell analyses were conducted separately. According to proximate composition analysis, there were no significant differences in the moisture, protein, fat and ash contents in terms of seasons. But there were significant (P<0.05) changes between male and female crab meats in terms of protein values. It was found that freshwater crab meat was a good protein source. Mineral matter analysis was carried out with ICP-OES instrument after drying of crab samples in lyoflizator. Of the crab meat, the highest contents of calcium, sodium and potassium were 17.87±1.356 (winter ♀), 11.88±0.62 (summer ♀ and 11.70±0.50 mg/g (summer ♂), while these values for crab shell were 197.50±7.836 (summer ♂), 3.96±0.583 (winter ♂) and 6.26±0.222 mg/g (summer ♂), respectively. Chitin and Chitosan analysis were performed from shells with demineralization, deproteinisation, decoloration and deacetylation. Female freshwater crab samples had the highest chitin (7.80±0.835%) and chitosan (5.86±0,536%) contents in the summer and spring, respectively.
- Subjects
EGIRDIR (Turkey); TURKEY; FRESHWATER crabs; LAKES; CRAB meat; CHITIN; CHITOSAN; FOOD composition; MINERALS
- Publication
Pakistan Veterinary Journal, 2011, Vol 31, Issue 3, p239
- ISSN
0253-8318
- Publication type
Article