Journal
JOURNAL OF FOOD COMPOSITION AND ANALYSIS
Volume 104, Issue -, Pages -Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jfca.2021.104142
Keywords
Coffee; Clean up; Resin; TLC-MS; HRMS
Categories
Funding
- CAPES
- FAPERJ
- CNPq
- Embrapa Cafe
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Four furanoid glycosylated diterpenes were extracted from green grains of Coffea arabica using efficient and robust methods, and identified with advanced spectroscopic techniques. The methodology demonstrated high recovery rates and accurate compound identification, in line with the QuEChERS concept.
Four furanoid glycosylated diterpenes (mascaroside I, mascaroside III, mascaroside IV and mascaroside V) were extracted from green grains of Coffea arabica after clean up steps with organic solvents (chloroform/acetone and 80 % ethanol) and concentrated with the aid of macroporous polymeric resins (XAD-2) in column. The identification of compounds has been extensively tested with the aid of hyphenated spectroscopic techniques, such as TLC-MS and ESI-HRMS. The methodology employed was shown to be efficient (81 % recovery after column) and robust (molecular ions of compounds with error <5 ppm), fitting the QuEChERS concept.
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