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Protocatechuic acid 98%

This product is the root of the common Lamiaceae plant Salvia miltiorrhiza, most of which are wild. It is mainly cultivated in Sichuan. Nandanshen and Gansu Danshen are also widely used. In addition, there are also roots of various plants of the same genus used as Salvia miltiorrhiza in Yunnan. The quality of autumn harvest is good. Dig the roots, remove stems, leaves, and fibrous roots, remove soil, and dry in the sun. In the leaves of the black fern of the Lindsaeaceae and the evergreen leaves of the Aquifoliaceae family