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&lt;/script&gt;</html><description>Preparation method and application of immobilized betulinic acid affinity integral column 23 hydroxy betulinic acid (23-HBA) is a lupine type pentacyclic triterpenoid compound isolated from the traditional Chinese medicine plant Pulsatilla chinensis in the Ranunculaceae family. It is also distributed in various plants such as Betula pubescens, Ziziphus mauritiana, Prunella vulgaris, Apocynaceae, and is particularly [&hellip;]</description><thumbnail_url>https://longchangextracts.com/wp-content/uploads/2024/08/1-315.png</thumbnail_url></oembed>
