SDRP Journal of Food Science & Technology

Profiling of bioactive lipids of the wild edible land snails of the genus Helix


Dmitri O Levitsky,aPaulina Goldshlag,bVM Dembitsky


valery dembitsky, Profiling of bioactive lipids of the wild edible land snails of the genus Helix (2016)SDRP Journal of Food Science & Technology 1(1)


Pulmonate gastropod mollusks of the genus Helix are being used by human as food more than 10,000 years and they are quite important in the diet of many European countries. We investigated lipid composition of wild land snails sampled in France, Germany, Luxemburg, Norway, Switzerland, Sweden, and East Mediterranean inhabitants. Plasmalogens, glyceryl ethers, and diacyl phospholipid forms as well as their fatty aldehydes, alkyl ether glycerides, and fatty acid derivatives were studied. PE of snails, containing aldehydes C16 (variations from 17 to 40%), C18 (11-36%), C9-18:1 (22-31%), C11-20:1 (1-3%), and several minor aldehydes, were detected. The major saturated 1-O-alkyl glycerol ethers were C16:0 and C18:0. Eicosatetraenoic (ETA, 34%), ?-linolenic acid (ALA, 14%), and eicosapentaenoic acid (EPA, 7%) in PE (all forms) were dominating fatty acids. ETA (49%), EPA (13%), ALA (7%), and docosahexaenoic (DHA, 6%) were major fatty acids in PS (all forms). In PC (all forms), major fatty acids were found oleic (20%), palmitic (15%), ETA (14%), and linoleic (10%). In neutral plasmalogens, the predominant fatty acids were palmitic acid (29%), oleic acid (13%), ALA (8%), and ETA (7.8%). Predominant fatty acids in neutral plasmalogens were found to be 16:0 (29%), C18:0 (13%), ALA (8%), and ETA (7.8%). Distribution of plasmalogens, alkyl glyceryl ethers, and their fatty aldehydes and fatty alcohols in gastropod species and other mollusks is also discussed.


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