Chemical Profiles of Cultivated Agarwood Induced by Different Techniques

Chemical Profiles of Cultivated Agarwood Induced by Different Techniques

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Agarwood is the resinous wood produced in some Aquilaria species and is highly valued for wide usages in medicine, incense, and perfume.To protect the threatened Aquilaria species, the cultivation of Aquilaria sinensis and artificial agarwood induction techniques have been effectively established in China.To evaluate the quality of agarwood induced by different techniques, patterns of chemical constituents in artificial agarwood by four methods (wounding using an axe, burning-chisel-drilling, chemical inducer, and biological inoculation) were analyzed and compared by UPLC-ESI-MS/MS and GC-EI-MS in this study.Results of GC-MS gave a folk rivet sweat panorama of chemical luau thank you cards constituents in agarwood, including aromatic compounds, steroids, fatty acids, sesquiterpenoids, and 2-(2-phenlyethyl)-chromones (PECs).

Sesquiterpenoids were dominant in agarwood induced by wounding using an axe.PEC comprised over 60% of components in agarwood produced by biological inoculation and chemical inducers.PECs were identified by UPLC-ESI-MS/MS in all artificial agarwood and the relative contents varied in different groups.Tetrahydro-2-(2-phenylethyl)-chromones (THPECs) in wounding by axes induced agarwood were lower while 2-(2-phenylethyl)-chromones (FPECs) were higher than other groups.

The results showed that methods used for inducing agarwood formation in Aquilaria sinensis affect the chemical constituents of agarwood.