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“ Hydroquinone metabolism in the presence of cysteine generated a thiol adduct, which was identified as the monosubstituted cysteine conjugate of hydroquinone by HPLC with oxidative electrochemical and radiochemical detection.”
Chemical research in toxicology • 1990 | View Paper
“The protecting activity exerted by L-cysteine against equimolar concentrations of hydroquinone supports a free radical mechanism for hydroxybenzenes genotoxicity in A. nidulans.”
“The effects of cysteine and hydroquinone on iron absorption are additive, suggesting independent actions of these two reducing agents in increasing iron absorption.”