Objective:To record the fractional components of lipid and polyunsaturated fatty acids of Lingula anatina(L.anatina),a Precambrian intertidal benthic brachiopod,giving emphasis on-ω series group especially eicosapent...Objective:To record the fractional components of lipid and polyunsaturated fatty acids of Lingula anatina(L.anatina),a Precambrian intertidal benthic brachiopod,giving emphasis on-ω series group especially eicosapentaenoic acid(EPA)and docosahexaenoic acid(DHA)alongside assessing their biotransformation within the population and mangrove-estuarine associated community.Methods:Different biological samples after being collected from three contrasting study sites viz.SI,SII and SIII at Talsari(Longitude 87°5′E to 88°5′E and Latitude 20°30′N to 22°2′N)were stored at-20°C until analyzed.Total lipids were extracted from each sample following Bligh and Dryer method.Identification and conformation of fatty acids were done by following Ackman method.Results:On analyzing different collected samples,muscles of L.anatina exhibited the highest amount of total lipids(2.95%)of which 54.03%belongs to phospholipid groups.Different body parts of studied species contained appreciable and greater amount of EPA and DHA than α-linolenic acid.Conclusions:Different collected samples exhibited variabilities in respect of total lipids and its fractional fatty acid components.The muscles of L.anatina showed maximum storage of lipids and fatty acids.Differential occurrences of EPA and DHA in different body parts of L.anatina are supposed to be due to the biotransformation process converting theα-linolenic acid from its primary food sources.展开更多
基金Supported by West Bengal Pollution Control Board with Grant No.53-2k-3/2003 Dated 20/3/2007.
文摘Objective:To record the fractional components of lipid and polyunsaturated fatty acids of Lingula anatina(L.anatina),a Precambrian intertidal benthic brachiopod,giving emphasis on-ω series group especially eicosapentaenoic acid(EPA)and docosahexaenoic acid(DHA)alongside assessing their biotransformation within the population and mangrove-estuarine associated community.Methods:Different biological samples after being collected from three contrasting study sites viz.SI,SII and SIII at Talsari(Longitude 87°5′E to 88°5′E and Latitude 20°30′N to 22°2′N)were stored at-20°C until analyzed.Total lipids were extracted from each sample following Bligh and Dryer method.Identification and conformation of fatty acids were done by following Ackman method.Results:On analyzing different collected samples,muscles of L.anatina exhibited the highest amount of total lipids(2.95%)of which 54.03%belongs to phospholipid groups.Different body parts of studied species contained appreciable and greater amount of EPA and DHA than α-linolenic acid.Conclusions:Different collected samples exhibited variabilities in respect of total lipids and its fractional fatty acid components.The muscles of L.anatina showed maximum storage of lipids and fatty acids.Differential occurrences of EPA and DHA in different body parts of L.anatina are supposed to be due to the biotransformation process converting theα-linolenic acid from its primary food sources.
