Identification and quantification of caffeic and rosmarinic acid in complex plant extracts by the use of variable-temperature two-dimensional nuclear magnetic resonance spectroscopy

Journal of Agricultural and Food Chemistry

Volumn 49, Issue 1, 2001, Pages 2-8

  Exarchou, Vassiliki ^a   Troganis, Anastasios ^a   Gerothanassis, Ioannis P ^a   Tsimidou, Maria ^b   Boskou, Dimitrios ^b  

^a UNIVERSITY OF IOANNINA   (Greece)

^b ARISTOTLE UNIVERSITY OF THESSALONIKI   (Greece)

Author keywords

Antioxidants; Caffeic acid; DQF COSY; HMBC; HMQC; Lamiaceae plants; NMR spectroscopy; Rosmarinic acid; RP HPLC

Indexed keywords

ANTIOXIDANT; CAFFEIC ACID; CAFFEIC ACID DERIVATIVE; CARBOXYL GROUP; CINNAMIC ACID DERIVATIVE; ESTER DERIVATIVE; PLANT EXTRACT; ROSMARINIC ACID;

ANALYTIC METHOD; ARTICLE; CARBON NUCLEAR MAGNETIC RESONANCE; CHEMICAL ANALYSIS; COMPARATIVE STUDY; HIGH PERFORMANCE LIQUID CHROMATOGRAPHY; NONHUMAN; NUCLEAR MAGNETIC RESONANCE SPECTROSCOPY; PHYTOCHEMISTRY; PROTON NUCLEAR MAGNETIC RESONANCE; REVERSED PHASE HIGH PERFORMANCE LIQUID CHROMATOGRAPHY; TEMPERATURE;

ANTIOXIDANTS; CAFFEIC ACIDS; CHROMATOGRAPHY, HIGH PRESSURE LIQUID; CINNAMATES; DEPSIDES; MAGNETIC RESONANCE SPECTROSCOPY; PLANT EXTRACTS; TEMPERATURE;

LAMIACEAE;

EID: 0035132580     PISSN: 00218561     EISSN: None     Source Type: Journal    
DOI: 10.1021/jf990928e     Document Type: Article

References (4)

1. 13C NMR Spectroscopy of Organic Compounds. In Carbon-13 NMR Spectroscopy, 3rd ed.; VCH: Weinheim, Germany, 1989; pp 226-232.
2. Bringmann, G.; Günther, C.; Schlauer, J.; Rücket, M. HPLC-NMR. On Line Coupling Including the ROESY Technique: Direct Characterization of Naphthyliso-quinoline Alkaloids in Crude Plant Extracts. Anal. Chem. 1998, 70, 2805-2811.
3. Colquhoun, I. J.; Goodfellow, B. J. Nuclear Magnetic Resonance Spectroscopy. In Spectroscopic Techniques for Food Analysis; Wilson, R. H., Ed.; VCH Publishers: New York, 1994; pp 87-145.
4. Deslaurier, R.; Smith, I. C. P. The Multinuclear NMR Approach to Peptides. Biol. Magn. Reson. 1980, 2, 243-344.