GC-MS analysis of the waxy metabolites of Corydalis saxicola

doi:10.14088/j.cnki.issn0439-8114.2026.02.026

Abstract

Abstract: Taking the leaves of Corydalis saxicola as the research object, the waxy metabolites of Corydalis saxicola were analyzed and identified by gas chromatography-mass spectrography（GC-MS）. The results showed that there were significant differences in the composition of waxy metabolites of Corydalis saxicola in the five producing areas. A total of several key differential metabolites were identified, including long-chain alkanes (such as n-29-alkane and n-54-alkane), ketones, sterols (such as γ-oryzanol), and alkaloids (such as tetrahydroberberine). Pathway enrichment analysis revealed that the differential metabolites were significantly enriched in metabolic pathways such as "isoquinoline alkaloid biosynthesis" and "biosynthesis of various secondary metabolites". In addition, bioactive defensive compounds such as podophyllotoxin were also found in the wax. The results provided a scientific basis for quality evaluation and related product development of Corydalis saxicola.

Key words: Corydalis saxicola, differential metabolites, waxy substance, gas chromatography-mass spectrography（GC-MS）

CLC Number:

O657.63

ZHANG Yi-xuan, HUANG Yan-qi, LEI Ming, WEI Ying, XIAO Dong, LI Cui. GC-MS analysis of the waxy metabolites of Corydalis saxicola[J]. HUBEI AGRICULTURAL SCIENCES, 2026, 65(2): 176-182.

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