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Characterization of phenolic components in polar extracts of Eucalyptus globulus Labill. bark by high-performance liquid chromatography-mass spectrometry.
J Agric Food Chem. 2011 Sep 14; 59(17):9386-93.JA

Abstract

High-performance liquid chromatography-electrospray ionization mass spectrometry (HPLC-ESI-MS) and tandem mass spectrometry (MS(n)) were used to investigate the phenolic constituents in methanol, water, and methanol/water extracts of Eucalyptus globulus Labill. bark. Twenty-nine phenolic compounds were identified, 16 of them referenced for the first time as constituents of E. globulus bark, namely, quinic, dihydroxyphenylacetic, and caffeic acids, bis(hexahydroxydiphenoyl (HHDP))-glucose, galloyl-bis(HHDP)-glucose, galloyl-HHDP-glucose, isorhamentin-hexoside, quercetin-hexoside, methylellagic acid (EA)-pentose conjugate, myricetin-rhamnoside, isorhamnetin-rhamnoside, mearnsetin, phloridzin, mearnsetin-hexoside, luteolin, and a proanthocyanidin B-type dimer. Digalloylglucose was identified as the major compound in the methanol and methanol/water extracts, followed by isorhamnetin-rhamnoside in the methanol extract and by catechin in the methanol/water extract, whereas in the water extract catechin and galloyl- HHDP-glucose were identified as the predominant components. The methanol/water extract was shown be the most efficient to isolate phenolic compounds identified in E. globulus bark.

Authors+Show Affiliations

CICECO, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal.No affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

21761864

Citation

Santos, Sónia A O., et al. "Characterization of Phenolic Components in Polar Extracts of Eucalyptus Globulus Labill. Bark By High-performance Liquid Chromatography-mass Spectrometry." Journal of Agricultural and Food Chemistry, vol. 59, no. 17, 2011, pp. 9386-93.
Santos SA, Freire CS, Domingues MR, et al. Characterization of phenolic components in polar extracts of Eucalyptus globulus Labill. bark by high-performance liquid chromatography-mass spectrometry. J Agric Food Chem. 2011;59(17):9386-93.
Santos, S. A., Freire, C. S., Domingues, M. R., Silvestre, A. J., & Pascoal Neto, C. (2011). Characterization of phenolic components in polar extracts of Eucalyptus globulus Labill. bark by high-performance liquid chromatography-mass spectrometry. Journal of Agricultural and Food Chemistry, 59(17), 9386-93. https://doi.org/10.1021/jf201801q
Santos SA, et al. Characterization of Phenolic Components in Polar Extracts of Eucalyptus Globulus Labill. Bark By High-performance Liquid Chromatography-mass Spectrometry. J Agric Food Chem. 2011 Sep 14;59(17):9386-93. PubMed PMID: 21761864.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Characterization of phenolic components in polar extracts of Eucalyptus globulus Labill. bark by high-performance liquid chromatography-mass spectrometry. AU - Santos,Sónia A O, AU - Freire,Carmen S R, AU - Domingues,M Rosário M, AU - Silvestre,Armando J D, AU - Pascoal Neto,Carlos, Y1 - 2011/08/03/ PY - 2011/7/19/entrez PY - 2011/7/19/pubmed PY - 2012/5/24/medline SP - 9386 EP - 93 JF - Journal of agricultural and food chemistry JO - J Agric Food Chem VL - 59 IS - 17 N2 - High-performance liquid chromatography-electrospray ionization mass spectrometry (HPLC-ESI-MS) and tandem mass spectrometry (MS(n)) were used to investigate the phenolic constituents in methanol, water, and methanol/water extracts of Eucalyptus globulus Labill. bark. Twenty-nine phenolic compounds were identified, 16 of them referenced for the first time as constituents of E. globulus bark, namely, quinic, dihydroxyphenylacetic, and caffeic acids, bis(hexahydroxydiphenoyl (HHDP))-glucose, galloyl-bis(HHDP)-glucose, galloyl-HHDP-glucose, isorhamentin-hexoside, quercetin-hexoside, methylellagic acid (EA)-pentose conjugate, myricetin-rhamnoside, isorhamnetin-rhamnoside, mearnsetin, phloridzin, mearnsetin-hexoside, luteolin, and a proanthocyanidin B-type dimer. Digalloylglucose was identified as the major compound in the methanol and methanol/water extracts, followed by isorhamnetin-rhamnoside in the methanol extract and by catechin in the methanol/water extract, whereas in the water extract catechin and galloyl- HHDP-glucose were identified as the predominant components. The methanol/water extract was shown be the most efficient to isolate phenolic compounds identified in E. globulus bark. SN - 1520-5118 UR - https://www.unboundmedicine.com/medline/citation/21761864/Characterization_of_phenolic_components_in_polar_extracts_of_Eucalyptus_globulus_Labill__bark_by_high_performance_liquid_chromatography_mass_spectrometry_ L2 - https://doi.org/10.1021/jf201801q DB - PRIME DP - Unbound Medicine ER -