dimethyl sulphide
a harmless chemical contaminant of Scomber scombrus, derived from eating pelagic snails. It gives an odour of petroleum products

Dictionary of ichthyology. 2009.

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  • blackberry odour — an odour found in some fish flesh caused by dimethylsulphide formed from dimethyl ß propiothetin in the diet when fish feed on pteropods such as Spiratella retroversa and S. helicina, e.g. in mackerel and cod respectively. Resembles a sulphide,… …   Dictionary of ichthyology

  • weedy odour — blackberry odour (an odour found in some fish flesh caused by dimethylsulphide formed from dimethyl ß propiothetin in the diet when fish feed on pteropods such as Spiratella retroversa and S. helicina, e.g. in mackerel and cod respectively.… …   Dictionary of ichthyology

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