1、
Contents of titrable acids and ascorbate acid were the highest after two weeks and decreased.
可滴定酸及抗坏血酸含量在采后两周内呈上升趋势,两周后下降.
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2、
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。
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