Author: Eiji Fujimori
Publisher:
ISBN:
Category : Carotenes
Languages : en
Pages : 20
Book Description
Light-induced electron spin resonance (ESR) absorption is not observed in degassed benzene solutions of chlorophyll a with hydroquinone. In the presence of methanol, however, the characteristic hyperfine pattern of p-benzosemiquinone ion radical is formed. This photoreduction of chlorophyll by hydroquinone is enhanced apparently by a small amount of triethylamine and inhibited by beta-carotene.