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1 World News of Natural Sciences

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Chemical characterization by TLC, UV, IR, HPLC-MS/MS and NMR of gossypetin-3’-O-glucoside from Talipariti elatum (Sw.) Malvaceae

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Gonzalez J. , Cuellar A. , Gaysinski M. , massi L. , Monan M. , Nossim E. , Francois-Haugrin F.

World News of Natural Sciences

2019

tom 24

Talipariti elatum (Sw.) Malvaceae, also known as Blue Mahoe or Mountain Mahoe, commonly named as Majagua azul or Majagua, with red or crimson flowers, is a medicinal tree traditionally used against cough, asthma, catarrh, and expectorant. Its flowers contain a lot different chemical compounds, mainly flavonoids. From red petals of the flowers a flavonol glucoside was isolated and characterized by TLC, UV, IR, HPLC-MS/MS and NMR spectroscopy. Structure analyses of that chemical component revealed that It have the identical glucoside moiety attached to a flavonol skeleton like gossypitrin (gossypetin-7-O--glucoside) but in different position for which the structure of gossypetin 3’-Oglucoside was deduced from HSQC, HMBC, COSY and NOESY correlations.