Variation patterns of chemical constituents in Bidens pilosa var. radiata: harvest time, geographical origin, and medicinal parts (PubMed, Zhongguo Zhong Yao Za Zhi) - Jul 3, 2026 - "The established UPLC-PDA method achieved accurate quantification of 10 major compounds, including neochlorogenic acid, chlorogenic acid, rutin, and hyperoside...By establishing a chemometric quality evaluation system based on multi-component analysis, this study systematically elucidated the dynamic variation patterns of chemical constituents in B. pilosa var. radiata, providing a scientific foundation for rational quality standards development, medicinal part optimization, origin suitability assessment, and germplasm resource utilization."
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Cheng-Yu Zhang; Hui-Juan Yu; Lu-Ying Song; Meng-Yue Zhang; Xin Chai; Ya-Lin Ye; Yue-Fei Wang
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