methionine

noun

Etymology: Etymology tree Proto-Indo-European *médʰu Proto-Hellenic *métʰu Ancient Greek μέθυ (méthu) Proto-Indo-European *swel-der.? Ancient Greek ῡ̔́λη (hū́lē)der. German -yl German Methylbor. English methyl Proto-Indo-European *dʰewh₂-der.? Ancient Greek θέειον (théeion) Ancient Greek θεῖον (theîon)der. English thio- English -n- Proto-Indo-European *-nós Proto-Indo-European *-iHnos Proto-Italic *-īnos Latin -īnusder. Old French -inbor. Middle English -in English -ine English methionine From methyl + thio- + -n- + -ine.

1. A sulphur-containing amino acid, C₅H₁₁NO₂S, in L- and D-forms.
2. A sulphur-containing amino acid, C₅H₁₁NO₂S, in L- and D-forms.

   “The purpose was to make soya beans more healthy for those for whom they are a staple food by correcting soya beans' natural deficiency in a chemical called methionine.”