Abstract:Recebido em 27/10/11; aceito em 14/2/12; publicado na web em 30/4/12 MYRSINOIC A ACID AND ITS DERIVATIVE: IN VITRO INHIBITORS OF PHOTOSYNTHESIS. Myrsinoic A acid, isolated from Myrsine cuneifolia and its hydrogenated derivative had their effect on photosynthesis tested. The compounds inhibited the electron flow (basal, phosphorylating and uncoupled) from water to methylviologen; therefore, they act as Hill reaction inhibitors in spinach thylakoids. They inhibited partial reactions of PSII electron flow from wa… Show more
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