The objective is to establish a method to determine the content of protocatechuic acid in Scutellaria barbara.
目的是要建立测定黄芩中原儿茶酸含量的方法。
Protocatechuic acid methyl ester (6);
二羟基苯甲酸甲酯（6）；
Objection To study the intestinal absorptive features of salvianolic acid taking salvianic acid A sodium and protocatechuic aldehyde as the indexes.
目的以丹参素钠和原儿茶醛为指标，研究丹参酚酸肠吸收特性。
Objection To study the intestinal absorptive features of salvianolic acid taking salvianic acid A sodium and protocatechuic aldehyde as the indexes.
目的以丹参素钠和原儿茶醛为指标，研究丹参酚酸肠吸收特性。
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