We investigated the effect of antioxidants (ascorbate, glutathione, and sodium azide), which effectively inhibited the chlorophyll bleaching of Panax ginseng C.A. Meyer under the high light intensity, treated by folilar wiping on the early stage
of
photosynthesis and transpiration of ginseng in the 5000μmol photon·m-2·s-1. Ascorbate and glutathione, endogenous antioxidant, completely recovered ginseng from the photoinhibition. But sodium azide, synthetic quencher, showed negative effect.
We
assumed that endogenous antioxidants could be available to the protection of the leaf-burning phenomenon of ginseng.
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