In a further study⁷⁵ on the decomposition of alliin in aqueous solution (variable pH) other compounds in addition to 2-formylthiophene, 2-acetylthiazole and ethyl acetate were discovered. Apart from ethyl acetate, allyl alcohol and acetaldehyde the majority of the compounds identified were sulphur-containing. This work goes on to propose a mechanism for the initial transformation of alliin to allyl alcohol and cysteine (Fig. 15) and further decomposition of cysteine to explain the formation of other sulphur compounds (Figs. 16-18).