Abstract
To study the chemical constituents of the fruits of noni (Morinda citrifolia L.), and find novel compounds, an n-butanol extract of the ethanol soluble fraction was subjected to repeated silica gel and ODS column chromatography and HPLC. Two new glycosides were isolated and their structures elucidated by NMR and HRFAB-MS spectrometry as (2E,4E,7Z)-deca-2,4,7-trienoate-2-O-β-D-glucopyranosyl-β-D-glucopyra-noside (1) and amyl-1-O-β-D-apio-furanosyl-1,6-O-β-D-glucopyranoside (2), respectively.
Highlights
Morinda citrifolia L., known as Tropical Radix Morindae Officinalis (RMO) and Medicinal Morinda Root Seasonal Fruit, is usually a small tree or bush occurring in theSouth Pacific tropical islands and widely distributed in the Hainan Province and Paracel Islands ofChina and in Taiwan
In this work silica gel column chromatography was employed to separate the glucoside constituents of an n-butanol extract of the ethanol soluble fraction of Morinda citrifolia L. fruits. 2D-NMR techniques, HR-ESI-MS and hydrolytic reactions were used to elucidate the structures of the extracted compounds
The fresh fruits of Morinda citrifolia L. were collected from Hainan Province of China, in July
Summary
Morinda citrifolia L. (family Rubiaceae), known as Tropical Radix Morindae Officinalis (RMO) and Medicinal Morinda Root Seasonal Fruit, is usually a small tree or bush occurring in the. (family Rubiaceae), known as Tropical Radix Morindae Officinalis (RMO) and Medicinal Morinda Root Seasonal Fruit, is usually a small tree or bush occurring in the. The fruits of Morinda citrifolia L. are oval and juicy with a strong odor, and have been used for a long time as a medicinal plant in Southeast Asia and the Pacific Islands. All parts of the plant can been used, including fruit, leaf, root, bark, flower, stem and seed [1]. Molecules 2012, 17 traditional uses include as a treatment of boils, abscesses, and inflammations of various origins, fungal infections, and constipation as well as diarrhea [2,3]. In this work silica gel column chromatography was employed to separate the glucoside constituents of an n-butanol extract of the ethanol soluble fraction of Morinda citrifolia L. fruits. In this work silica gel column chromatography was employed to separate the glucoside constituents of an n-butanol extract of the ethanol soluble fraction of Morinda citrifolia L. fruits. 2D-NMR techniques, HR-ESI-MS and hydrolytic reactions were used to elucidate the structures of the extracted compounds
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