( ( One ( of ( these products ) ) ) ( ( is ( ( ( malondialdehyde ( -LRB- ( MDA -RRB- ) ) ) , ) ( which ( is ( ( the substance ) ( that ( produces ( ( the ( color reaction ) ) ( in ( the AFRT ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (CD One)) (PP (IN of) (NP (DT these) (NNS products)))) (VP (VBZ is) (NP (NP (NP (NN malondialdehyde)) (PRN (-LRB- -LRB-) (NP (NNP MDA)) (-RRB- -RRB-))) (, ,) (SBAR (WHNP (WDT which)) (S (VP (VBZ is) (NP (NP (DT the) (NN substance)) (SBAR (WHNP (WDT that)) (S (VP (VBZ produces) (NP (NP (DT the) (JJ color) (NN reaction)) (PP (IN in) (NP (DT the) (NN AFRT))))))))))))) (. .)))
One of these products is malondialdehyde (MDA), which is the substance that produces the color reaction in the AFRT.
(ROOT (S (NP (NP (NNS Substances)) (VP (VBN produced) (PP (IN by) (NP (DT a) (NN reaction))))) (VP (VBP are) (VP (VBN known) (PP (IN as) (NP (NNS products))))) (. .)))