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1 results about "Corydalis ambigua" patented technology

Corydalis ambigua is a tuberous early flowering east Asian flowering plant species. Its exact native range is obscure due to taxonomic confusion. It is one of the sources of the drug tetrahydropalmatine.

A method for detecting adulteration and quality control of rhizoma corydalis

PendingCN122149954APreparing sample for investigationColor/spectral properties measurementsCorydalis ambiguaCorydalis yanhusuo
The application discloses a method for detecting and controlling the quality of pseudo-detection of Corydalis ambigua, and belongs to the field of pseudo-detection screening. The method comprises the following steps: collecting Corydalis ambigua samples, pseudo-product Thalictrum petaloideum samples and THz absorbance spectrum data of Thalictrum petaloideum under different pseudo-detection concentrations (5%-75%); preprocessing the spectrum data by using a Tukey window function; extracting features by using a UMAP algorithm; inputting the extracted feature matrix into a DCNN classifier to qualitatively identify Corydalis ambigua and Thalictrum petaloideum; and simultaneously, in order to improve the quantitative prediction accuracy of the pseudo-detection concentration, combining a SPXY algorithm and an XGBoost regression model to divide samples and predict the concentration. The above method provides a reliable and practically applicable technical means for the field of pseudo-detection of Corydalis ambigua. The high accuracy and efficiency of the method make it have a wide application prospect in the moderate discrimination of pseudo-detection of Corydalis ambigua and related fields.
Owner:THE FIRST AFFILIATED HOSPITAL OF GUANGXI UNIV OF TRADITIONAL CHINESE MEDICINE (GUANGXI TRADITIONAL CHINESE MEDICINE HOSPITAL)