Warianty tytułu
Języki publikacji
Abstrakty
Sometimes, the preparation of a plant sample to GC analysis undergoes the stage of drying plant ex-tract from the solvent, and subsequently the repeated extraction of the dry residue in a different solvent. The purpose of this procedure is to separate the studied phenolic compounds from the matrix. This paper presents the results of the research into the effect of the type of solvent used in the proceeding (methanol, water, acetone, diethyl ether or chloroform) on the size of losses in the phenolic compounds during such a procedure. It has been noted that the greatest recovery appears in cases of methanol and acetone, whereas water may be the source of considerable losses in the compounds during the preparation of the plant sample for analysis.
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Czasopismo
Rocznik
Tom
Numer
Opis fizyczny
p.481-484,fig.
Twórcy
autor
- University of Bialystok, 15-443 Bialystok, Poland
Bibliografia
- 1. RYAN D., ROBARDS K., PRENZLER P., ANTOLOVICH M. Aplications of mass spectrometry to plant phenols. Trends in Anal. Chem. 18 (5), 362, 1999.
- 2. KEINANEN M., JULKUNEN-TIITTO R. High-performance liguid chromatographic determination of flavonoids in Betula pendula and Betula pubescens leaves. J. Chro- matogr. A. 793, 370, 1998.
- 3. CONDE E., CADAHiA E., GARCiA-VALLEJO M. C. Low molecular weight polyphenols in leaves of Eucalyptus camaldulensis, E. globulus and E. rudis. Phytochem. Anal. 8, 186, 1997.
- 4. SIEROTA Z. H., GAYNY B., ŁUCZKO A. Variability of some phenolic acids in phloem of 1-year-old shoots of Scots pine trees growing with Heterobasidion annosum (Fr.) Bref. Trees. 12, 230, 1998.
- 5. SHAHRZAD S., BITSCH I. Determination of some pharmacologically active phenolic acids in juices by high-performance liquid chromatography. J. Chromatogr. A. 741, 223,1996
- 6. HATANO T., TAKAGI M., ITO H., YOSHIDA T. Acylated flavonoid glycosides and accompanying phenolics from licorice. Phytochemistry, 47 (2), 287, 1998.
- 7. DE SOTILLO D. R., HADLEY M., HOLM E. T. Phenolics in Aqueous Potato Peel Extract: Extraction, identification and degradation. J. Food Science. 59 (2), 649, 1994.
- 8. JAROSZYŃSKA J. A Method of extracting phenol compounds from arboreal leaves by means of the Florisil/C18 system. In preparation.
Typ dokumentu
Bibliografia
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