Avaliação de furanocumarinas como inibidores da fotossíntese através de ensaios de fluorescência da clorofila a

Química Nova

Olívia Moreira Sampaio²  Maria Fátima Das Graças Fernandes Da Silva²  Thiago André Moura Veiga¹  Beatriz King-díaz¹  Blas Lotina-hennsen¹ 

[1] ,Universidade Federal de São Carlos Departamento de Química São Carlos SP ,Brasil

关键词: Chl a fluorescence;    furocoumarins;    "JIP-test";   

DOI  :  10.1590/S0100-40422012001100003

来源: SciELO

【 摘 要 】

The evaluations of Chorophyll a fluorescence emitted by superior plants carry structural information and photosynthetic apparatus function. Quantitative analysis apparatus of fluorescence kinetic were measured by energy flows (ABS), (TR), (ET) and (DI), known as phenomenological phenomena of OJIP test. Four furocoumarins were isolated from Ruta graveolens (Rutaceae), and chorophyll a (Chl a) fluorescence assays were performed with these compounds to evaluate the photosynthesis inhibition potential. This test was realized in spinach`s leaf discs and in Lolium perenne leaves. The results indicated the herbicide potential mainly for bergapten and chalepin.

【 授权许可】

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