finally , the results were equivalent and correlated highly with values for total sh by 5,5'-dithiobis- ( 2-nitrobenzoic acid ) ( dtnb ) assay ( r2 = 0.996 ) and for total glutathione by dtnb-gssg reductase assay ( r2 = 0.998 ) .
C0017817
glutathione
C0061516
gssg