Journal of agricultural and food chemistry, 49(5), 2497-2502 (2001-05-23)
Sodium orthophenylphenate (SOPP) has been used extensively for >40 years to control postharvest diseases of citrus fruits. Studies of the metabolism of [(14)C]SOPP have identified orthophenylphenol (OPP) as the major metabolite with phenylhydroquinone (PHQ) as a minor metabolite. The whole-fruit
Moutan Cortex (root cortex of Paeonia suffruticosa ANDREWS) and Paeoniae Radix (root of Paeonia lactiflora PALLAS) are crude drugs used in many traditional prescriptions and have constituents in common. We studied the effects of extracts of these crude drugs and
The cytotoxic effects of biphenyl (BP) and its hydroxylated derivatives, o-phenylphenol (OPP), m-phenylphenol (MPP), p-phenylphenol (PPP), 2-biphenylyl glycidyl ether (OPP-epoxide), phenyl-hydroquinone (PHQ), o,o'-biphenol (o,o'-BPol) and p,p'-biphenol (p,p'-BPol), were investigated in freshly isolated rat hepatocytes. OPP, MPP and PPP, at concentration
Using 32P-postlabeling we studied DNA adduct formation in HL-60 cells treated with the o-phenylphenol metabolites o-phenylhydroquinone (o-PHQ) and o-phenylbenzoquinone (o-PBQ). Treatment with 25-500 microM o-PHQ for 8 h produced one principal and three minor adducts with a relative distribution of
The induction of 8-hydroxy-2'-deoxyguanosine (8-OHdG), an index of oxidative DNA modification, was investigated in CHO-K1 cells exposed to phenyl-hydroquinone (PHQ), a major metabolite of ortho-phenylphenol (OPP), an antimicrobial. Addition of PHQ at a concentration of 50 microM to CHO cell
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