ESTIMATION OF FAT CONTENT AND FATTY ACIDS PROFILE IN THE MEAT OF SPINYCHEEK CRAYFISH (ORCONECTES LIMOSUS RAF.) FROM THE BRDA RIVER AND THE LAKE GOPŁO

2010, 11 (3)   p. 297-304

Magdalena STANEK, Bogumiła KUPCEWICZ, Janusz DĄBROWSKI, Bogdan JANICKI

Abstract

The aim of the present paper was to compare the content of fat and the profile of fatty acids in the meat of the abdomen section of spiny-cheek crayfish caught from the Brda River with individuals obtained from the Lake Gopło. The meat of spiny-cheek crayfish from two reservoirs didn’t differ significantly as regards the fat content, however significant differences were report for most fatty acids (p<0,05). Reports show that the content of fat in crayfish meat is similar to the meat of low-fat fish which contain up to 2% of fat. In the group of SFA, the highest percentage share was recorded for C16:0, both in the meat of crayfish caught in the Brda River (21.33% of total acids) and in Lake Gopło (15.36% of total acids). In the MUFA group as the most abundant fatty acid was reported C18:1 n-9t, both in the meat of river crayfish (18.73% of total acids), and lake crayfish (25.52% of total acids). The PUFA analyses showed that the highest percentage share was reported for C20:5 n-3c in both groups.

Keywords

spiny-cheek crayfish, fatty acids, fat

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