The thermodynamic parameters of carboxylic group and titrable phenolic hydroxyl group of humic acid are similar to that of simple hydroxy-benzoicacid.
腐植酸的羧基和可滴定的酚羟基在热力学性质上同简单的羟基苯羧酸相似。
2
The phenolic acids used were vanillic acid, vanillin and P-hydroxybenzoic acids for studying the effects of phenolic acids on the growth and activities of protective enzymes of muskmelon.