Chinese Journal of Applied Chemistry

Chinese Journal of Applied Chemistry ›› 1991, Vol. 0 ›› Issue (4): 83-85.

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LIGHT-INDUCED FORMATION OF OXYGEN RADICALSO2·-/OOH BY CHLOROPHYLL a

Yun Qin, Yan Zuokun   

  1. Changchun Institute of Applied Chemistry, Academia Sinica, Changchun 130022
  • Received:1990-07-18 Revised:1990-11-13 Published:1991-08-10 Online:1991-08-10

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Abstract: The oxygen radicals O2·-/OOH were observed in photochemical reaction of Chlorophyll a in the presence of oxygen.The ESR spectra of DMPO-OOH adduct were recorded directly byusing spin trap technique.The O2·-/OOH radicals were formed from oxygen dissolved inhe solutions studied, independent of the aggregation state of Chlorophyll a.

Key words: chlorophyll a, oxygen radical O2·-/OOH, dimethyl-Pyrroline-N-oxide

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