the sulfite radical anion ( so.3- ) was found to react rapidly with the flavonoid quercetin ( k = 2.5 x 10 ( 8 ) dm3mol-1s-1 ) and the carotenoids crocin ( k = 1.0 x 10 ( 9 ) dm3mol-1s-1 ) and crocetin ( k = 1.5 x 10 ( 9 ) dm3mol-1s-1 ) .
C0038750
sulfite
C0003075
anion