Classification and Authentication of Lonicerae Japonicae Flos and Lonicerae Flos by Using ¹H-NMR Spectroscopy and Chemical Pattern Recognition Analysis.

ABSTRACT: Lonicerae japonicae flos and Lonicerae flos are increasingly widely used in food and traditional medicine products around the world. Due to their high demand and similar appearance, they are often used in a confused or adulterated way; therefore, a rapid and comprehensive analytical method is highly required. In this case, the comparative analysis of a total of 100 samples with different species, growth modes, and processing methods was carried out by nuclear magnetic resonance (¹H-NMR) spectroscopy and chemical pattern recognition analysis. The obtained ¹H-NMR spectrums were employed by principal component analysis (PCA), partial least-squares discriminant analysis (PLS-DA), orthogonal partial least-squares discriminant analysis (OPLS-DA), and linear discriminant ana

SUBMITTER: Liu K 

PROVIDER: S-EPMC10574709 | biostudies-literature | 2023 Sep

REPOSITORIES: biostudies-literature