To compare the volatile components in different organs of Manglietiastrum sinicum and provide basic information for the protection and resource utilization of this unique and rare species in China, GC-MS technology combined with HS-SPME was used to analyze the volatile components of M. sinicum leaves, flowers, and fruits. A total of 65 components were identified in three organs of M. sinicum, including 51 compounds in leaves, 55 compounds in flowers, and 50 compounds in fruits. The relative contents of the identified components in the three organs accounted for 91.468%, 92.801%, and 91.993% of the total volatile components, respectively. The volatile components in three organs of M. sinicum are mainly terpenoids, with terpenoid content in leaves, flowers, and fruits being 54.853%, 64.369%, and 45.401%, respectively. Alcohol compounds are also present in high concentrations, it also contains esters, aldehydes, ketones, and phenols. Both leaves and flowers have the highest content of elemol, while fruits have the highest content of guaiol. The terpenes and alcohol compounds in the volatile components of M. sinicum have important applications in industrial fields such as daily chemical and pharmaceutical industries.
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