In order to characterize the volatile chemical components ofSchisandra chinensisprocessed by different Traditional Chinese Medicine Processing methods and establish fingerprint profiles, headspace–gas chromatography–ion mobility spectrometry (HS-GC-IMS) technology was employed to detect, identify, and analyzeSchisandra chinensisprocessed by five different methods. Fingerprint profiles of volatile chemical components ofSchisandra chinensisprocessed by different methods were established; a total of 85 different volatile organic compounds (VOCs) were detected in the experiment, including esters, alcohols, ketones, aldehydes, terpenes, olefinic compounds, nitrogen compounds, lactones, pyrazines, sulfur compounds, thiophenes, acid, and thiazoles. Principal component analysis (PCA), Orthogonal Partial Least Squares Discriminant Analysis (OPLS-DA), and Pearson correlation analysis methods were used to cluster and analyze the detected chemical substances and their contents. The analysis results showed significant differences in the volatile chemical components ofSchisandra chinensisprocessed by different methods; the Variable Importance in Projection (VIP) values of the OPLS-DA model and thePvalues obtained from one-way ANOVA were used to score and screen the detected volatile chemical substances, resulting in the identification of five significant chemical substances with the highestVIPvalues: Alpha-Farnesene, Methyl acetate,1-octene, Ethyl butanoate, and citral. These substances will serve as marker compounds for the identification ofSchisandra chinensisprocessed by different methods in the future.
Lilium browniivar.viridulum(Longya lily) is a widely used medicinal and culinary plant in China that is valued for its potential applications and development opportunities. The bulbs of Longya lily contain a variety of active components; volatile oil, as one of the main biologically active compounds, has been widely studied, and the stems, leaves, and flowers of Longya lily are also rich in volatile organic compounds (VOCs) and related pharmacological effects, but the horizontal comparison of different organs of lily plants is lacking. In order to promote the sustainable development of resources, the composition characteristics and differences of bulbs, stems, leaves, and flowers, as well as two crop management methods (bud-removal and non-bud-removal), were comprehensively studied by GC-IMS technology in this study. Additionally, multivariate statistical analyses were used to identify the key components responsible for the observed differences among the plant organs and treatments. The research identified a total of 93 volatile organic compounds in Longya lily samples, primarily consisting of aldehydes, alcohols, ketones, and esters. If the VOCs of Longya lily are to be used as raw materials, it is advisable to choose flowers and leaves with a higher concentration of these components for harvesting. Notably, bulbs that were non-bud-removal exhibited a greater total content of volatile flavor substances compared to those that were treated with bud removal, with hexanal-D and (E)-2-hexenal-D being the most prevalent volatile organic compounds. This study provided theoretical support for the harvesting parts and crop management methods of Longya lily based on volatile organic compounds and promoted the high-quality development of the Longya lily industry.
危险品化学品经营许可证（带存储）