| abstract |
Invention Patent: <B> "FOOD SUPPLEMENT FOR ARTHROPODS" <D>. Feed supplement for arthropods, in particular for lepidopteran larvae, comprising a low alkyl ester of a biologically active acid or alpha-amino acid. Said alkyl esters of a biologically active acid or alpha-amino acid have the general formula (I) where: X is hydrogen or NH ~ 2 ~; R ~ 1 ~ is a straight or branched alkyl or alkenyl group containing from 3 to 6 carbon atoms, optionally substituted with at least one hydroxy, carboxylic, amino, starch, guanidyl, thio, thiomethyl phenyl or imidazolyl group; and R ~ 2 ~ is a selected group of methyl, ethyl and propyl. |