asparagus and the metabolites of asparagusic acid, chemical formulas

above acid asparagus asparagusic blanched bunch bundle cause characteristic chemical chemistry compound decomposition dimethyl disagreeable distinctive disulfide enzymatic food formula fresh from grass green metabolite methanethiol molecule natural odor officinalis organic organosulfur product putrid raw science shoots smell sparrow structure substance sulfide sulfur sulphur thiol unpleasant urine vegetable white