title: Identification of flavonol and xanthone glycosides from mango (Mangifera indica L. Cv. "Tommy Atkins") peels by high-performance liquid chromatography-electrospray ionization mass spectrometry.
abstract: Flavonol O- and xanthone C-glycosides were extracted from mango (Mangifera indica L. cv. "Tommy Atkins") peels and characterized by high-performance liquid chromatography-electrospray ionization mass spectrometry. Among the fourteen compounds analyzed, seven quercetin O-glycosides, one kaempferol O-glycoside, and four xanthone C-glycosides were found. On the basis of their fragmentation pattern, the latter were identified as mangiferin and isomangiferin and their respective galloyl derivatives. A flavonol hexoside with m/z 477 was tentatively identified as a rhamnetin glycoside, which to the best of our knowledge, has not yet been reported in mango peels. The results obtained in the present study confirm that peels originating from mango fruit processing are a promising source of phenolic compounds that might be recovered and used as natural antioxidants or functional food ingredients.
authors.affiliation: Institute of Food Technology, Section Plant Foodstuff Technology, Hohenheim University, Garbenstrasse 25, D-70599 Stuttgart, Germany. schieber@uni-hohenheim.de
authors.forename: Andreas
authors.initials: A
authors.lastname: Schieber
authors.forename: Nicolai
authors.initials: N
authors.lastname: Berardini
authors.forename: Reinhold
authors.initials: R
authors.lastname: Carle
mesh_terms: D002851:Chromatography, High Pressure Liquid; D005419:Flavonoids / Q000032:analysis*; D044948:Flavonols; D005638:Fruit / Q000737:chemistry*; D006027:Glycosides / Q000032:analysis*; D031022:Mangifera / Q000737:chemistry*; D011794:Quercetin / Q000031:analogs & derivatives* / Q000032:analysis; D021241:Spectrometry, Mass, Electrospray Ionization; D014966:Xanthenes / Q000032:analysis*; D044004:Xanthones
chemical_list: D005419:Flavonoids; D044948:Flavonols; D006027:Glycosides; D014966:Xanthenes; D044004:Xanthones; C013592:mangiferin; C063423:rhamnetin; C009689:xanthone; D011794:Quercetin