OCCURRENCE OF A FAR-RED-ABSORBING PIGMENT (P 715) IN LEAF EXTRACT OF GYNKGO BILOBA
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概要
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The occasional occurrence of far-red-absorption band in the green extract of Gynkgo biloba leaves was noticed. It resulted from the con-version of the ordinary red-absorbing form of the chlorophyllous pigments with absorption maximum at 675 mμ (P 675), to the far-red-absorbing form with absorption maximum at 710-715 mμ (P 715). The conversion seems to take place in two steps, i.e., first, decrease in the red-absorption band, and secondly, appearance of the far-red-absorption band. Under some experimental conditions, the latter step occurs only after a certain time lag. The conversion is accompanied by the change of chlorophylls a and b, contained in the initial form of the pigment, P 675, to the pheophytins and pheophorbides. The properties of the far-red-absorbing pigment are different from those of other chlorophyllous pigments discovered in other plant materials.
- 日本植物生理学会の論文
著者
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Takamiya Atusi
The Tokugawa Institute For Biological Research:department Of Biophysics And Biochemistry Faculty Of
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Kunieda Reiko
The Tokugawa Institute For Biological Research:department Of Biophysics And Biochemistry Faculty Of