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, gunpowder or paraffin-like odour. Also called weedy odour