Syzygium myrsinifolium(Hance)Merr.et Perry is a unique plant resource on Hainan Island,and there are few reports on its chemical constituents.In the present study,we identified the major chemical constituents in the l...Syzygium myrsinifolium(Hance)Merr.et Perry is a unique plant resource on Hainan Island,and there are few reports on its chemical constituents.In the present study,we identified the major chemical constituents in the leaves of Syzygium myrsinifolium(Hance)Merr.et Perry using ultra-high performance liquid chromatography coupled with electrospray ionization quadrupole time-of-flight tandem mass spectrometry(UPLC-Q-TOF-MS/MS).The chemical constituents in Syzygium myrsinifolium(Hance)Merr.et Perry were identified rapidly based on the accurate relative molecular mass and combined with literature data and reference substances.A total of 20 compounds,including organic acids,phenolic acids,and flavonoids,were identified.Among these 20 compounds,four organic acids,eight phenolic acids,seven flavonoids,and one coumarin were reported from the leaves of Syzygium myrsinifolium(Hance)Merr.et Perry for the first time.The established method was rapid and accurate,and some chemical constituents in the leaves of Syzygium myrsinifolium(Hance)Merr.et Perry have been identified.This research provided an experimental reference for the study of the constituents and utilization of Syzygium myrsinifolium(Hance)Merr.et Perry.展开更多
基金Natural Science Foundation of Hainan Province(Grant No.320QN302)the Central Public-interest Scientific Institution Basal Research Fund for the Chinese Academy of Tropical Agricultural Sciences(Grant No.1251632022005)+1 种基金the Key Laboratory of Tropical Fruits and Vegetables Quality and Safety for State Market Regulation(Grant No.ZX-2022002)Open Fund of Hainan Provincial Key Laboratory of Quality and Safety for Tropical Fruits and Vegetables(Grant No.KFKT2021002)。
文摘Syzygium myrsinifolium(Hance)Merr.et Perry is a unique plant resource on Hainan Island,and there are few reports on its chemical constituents.In the present study,we identified the major chemical constituents in the leaves of Syzygium myrsinifolium(Hance)Merr.et Perry using ultra-high performance liquid chromatography coupled with electrospray ionization quadrupole time-of-flight tandem mass spectrometry(UPLC-Q-TOF-MS/MS).The chemical constituents in Syzygium myrsinifolium(Hance)Merr.et Perry were identified rapidly based on the accurate relative molecular mass and combined with literature data and reference substances.A total of 20 compounds,including organic acids,phenolic acids,and flavonoids,were identified.Among these 20 compounds,four organic acids,eight phenolic acids,seven flavonoids,and one coumarin were reported from the leaves of Syzygium myrsinifolium(Hance)Merr.et Perry for the first time.The established method was rapid and accurate,and some chemical constituents in the leaves of Syzygium myrsinifolium(Hance)Merr.et Perry have been identified.This research provided an experimental reference for the study of the constituents and utilization of Syzygium myrsinifolium(Hance)Merr.et Perry.
