期刊
JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY
卷 61, 期 49, 页码 12032-12043出版社
AMER CHEMICAL SOC
DOI: 10.1021/jf4039953
关键词
nonanthocyanin metabolites; bioactive compounds; NMR; HPLC-DAD; HPLC-ESI-MS; ESI-MS/MS; black raspberry; Rubus occidentalis L.
资金
- Kresge Foundation
- Ohio State University
- Ohio Agricultural Research and Development Center
- U.S. Department of Agriculture [2005-38903-02313, 2006-38903-03560, 2007-38903-03560, 2008-38903-19245, 2009-38903-19901, 2010-38903-20977]
- South Dakota Agricultural experiment station
- NIFA [2008-38903-19245, 583273, 2009-38903-19901, 582020, 2010-38903-20977, 580635] Funding Source: Federal RePORTER
Nonanthocyanin secondary metabolites potentially contributing to the antiproliferative bioactivity of black raspberry (Rubus occidentalis L.) fruits were extracted in ethyl acetate and isolated by semipreparative and analytical HPLC and analyzed by NMR, HPLC-ESI-MS, and ESI-MS/MS techniques. Here we present complete and partial structures of a variety of the chemical entities such as quercetin 3-glucoside, quercetin 3-rutinoside, myricetin glucoside, dihydrokaempferol glucoside, benzoic acid beta-D-glucopyranosyl ester, 3,4-dihydroxybenzoic acid, epicatechin, caffeic acid, p-coumaric acid, p-coumaryl glucoside, p-coumaryl sugar ester, ellagic acid, methyl ellagic acid acetylpentose, methyl ellagic acid valerylpentose; trans-piceid, phloretin glucoside (phloridzin), dihydrosinapic acid, salicylic acid beta-D-glucopyranosyl ester, a salicylic acid derivative without attached sugar, p-alkylphenyl glucoside, and a citric acid derivative. To our knowledge, 15 of these compounds were not previously reported in black raspberry fruits.
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