DISTRIBUTION OF DIFFERENT FORMS OF p-HYDROXYBENZOIC, VANILLIC, p-COUMARIC AND FERULIC ACIDS IN FOREST SOIL

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概要

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• We studied the isolation of the three different forms, A, B and C, in which p-hydroxybenzoic, vanillic, p-coumaric and ferulic acids exist in forest soil as well as their relative distributions by gas liquid chromatography. Form A is designated as the free form, which was isolated with hot ethyl acetate by repeated refluxing and is significant for allelopathic studies. Form B is a combined form ,which was extractable with hot ethyl acetate. Form C is another combined form, which was unextractable with hot ethyl acetate but could be isolated with hot 2_M NaOH by repeated extraction. The latter form appears to be bound to the soil matrix and not to move easily in the soil environment. The relative distributions of p-hydroxybenzoic acid in the A, B and C forms were 4, 4 and 92%, respectively ; those of vanillic acid were 3, those of ferulic acid were 1, 35 and 63%, respectively. A brief comparison with previous data for a peat soil is also given.

• 社団法人日本土壌肥料学会の論文

著者

• Katase Takao

  Kanagawa Prefectural Junior College For Nursing And Medical Technology

関連論文

• DISTRIBUTION OF DIFFERENT FORMS OF p-HYDROXYBENZOIC, VANILLIC, p-COUMARIC AND FERULIC ACIDS IN FOREST SOIL
• STEREOISOMERIZATION OF p-COUMARIC AND FERULIC ACIDS DURING THEIR INCUBATION IN PEAT SOIL EXTRACT SOLUTION BY EXPOSURE TO FLUORESCENT LIGHT

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