Mercaptoalcylamino acids are generally susceptible to inactivation by oxidation in vivo and decomposition in {HEAD ~ process} of manufacturing themselves or {TAIL ~ their preparations} or with the elapse of time because of the compounds having chemically and biologically active sulfhydryl group 
of manufacturing
Mercaptoalcylamino acids are generally susceptible to inactivation by oxidation in vivo and decomposition in { HEAD ~ process } of manufacturing themselves or { TAIL ~ their preparations } or with the elapse of time because of the compounds having chemically and biologically active sulfhydryl group
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL REL OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH