Introduction
This document outlines a robust LC-UV method for quantifying the triterpene acids oleanolic acid and ursonic acid in Eriobotrya japonica leaf, a traditional Chinese medicinal material. Utilizing a PerkinElmer LC 300 system with a C18 column, the method adheres to Chinese Pharmacopoeia standards, offering excellent separation, retention, and repeatability. This workflow ensures reliable quality control for pharmaceutical applications.
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