TAILIEUCHUNG - Glucosides from mangrove plant avicennia marina

Avicennia marina (Forsk.) Vierh. (Verbenaceae) is a species of mangrove plant, distributed in the coastal mangrove forests of Northern and Southern Vietnam. | Journal of Science Technology 134 2019 001-005 Glucosides from Mangrove Plant Avicennia Marina Le Viet Lan Huong1 Tran Thu Huong1 Nguyen Hoang Minh1 Tran Thu Ha3 Pham Thi Mai Huong2 Tran My Linh2 Nguyen Xuan Cuong2 Nguyen Hoai Nam2 Chau Van Minh2 Nguyen Van Thanh2 1Hanoi University of Science and Technology - No. 1 Dai Co Viet Str. Hai Ba Trung Ha Noi Viet Nam 2Vietnam Academy of Science and Technology VAST 18 Hoang Quoc Viet Cau Giay Hanoi Vietnam. intellectual Property Office of Vietnam - Ministry of Science and Technology Received July 11 2017 Accepted June 24 2019 Abstract Avicennia marina Forsk. Vierh. Verbenaceae is a species of mangrove plant distributed in the coastal mangrove forests of Northern and Southern Vietnam. Using combined chromatographic separations three iridoid glucosides 2 -O- 4-methoxycinnamoyl mussaenosidic acid 1 2 -cinnamoyl-mussaenosidic acid 2 marinoid D 3 and a lignan glucoside syringaresinolf-D-glucopyranoside 4 were isolated from the methanol extract of leaves of mangrove plant Avicennia marina. Structures of the isolated compounds were elucidated by spectroscopic methods including one dimesional 1D - and 2D - NMR electrospray ionization mass spectrometry ESI - MS and also by comparison with the literature data. Compound 4 is reported for the first time from this plant. Keywords Avicennia marina iridoid glucoside lignan glucoside. 1. Introduction Avicennia marina Forsk. Vierh. Verbenaceae is a species of mangrove plant distributed in the coastal mangrove forests of Northern and Southern Vietnam. The bark and root of this plant have been used in traditional medicine to treat leprosy and contraception. Besides that the leaves are used by coastal residents to drive mosquitoes away 1 2 . Previous phytochemical studies on A. marina have demonstrated the presence of iridoid glucosides 3 4 phenylpropanoid glycosides abietane diterpenoid glucosides lignan glycosides 5 and flavonoids 6 . In this article we report the isolation and structural .

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