Structural elucidation of tannins of spent coffee grounds by CP-MAS C-13 NMR and MALDI-TOF MS

• Main Authors: Low, Jiunhor, Wan Abdul Rahman, Wan Aizan, Jamaluddin, Jamarosliza
• Format: Article
• Language: English
• Published: Elsevier 2015
• Subjects: TP Chemical technology
• Online Access: http://eprints.utm.my/id/eprint/56167/1/JiunhorLow2015_StructuralElucidationofTanninsofSpentCoffeeGrounds.pdf; http://eprints.utm.my/id/eprint/56167/; http://dx.doi.org/10.1016/j.indcrop.2015.03.001

In this study, carbon-13 nuclear magnetic resonance in the solid state using cross-polarization and magic angle spinning (CP-MAS 13C NMR) spectroscopic and matrix-assisted laser desorption ionization-time of flight (MALDI-TOF) mass spectrometric methods were applied to characterize the composition,...