TITLE

Extraction of p-hydroxyacetophenone and catechin from Norway spruce needles. Comparison of different extraction solvents

AUTHOR(S)
Vosmanská, Magda; Sýkora, David; Fähnrich, Jan; Kov´řová, Marcela; Volka, Karel
PUB. DATE
June 2005
SOURCE
Analytical & Bioanalytical Chemistry;Jun2005, Vol. 382 Issue 4, p1135
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
The phenolic compounds p-hydroxyacetophenone and catechin have been extracted from Norway spruce needles with pure methanol, 80 and 50% ( v/ v) aqueous methanol, pure acetonitrile, 80% ( v/ v) aqueous acetonitrile, and pure water. Extraction efficiency of the individual solvents was compared. Although 80% aqueous methanol is the solvent most frequently used for extraction of soluble phenolic compounds from needles, it was found that pure methanol is a more suitable extraction solvent. Surprisingly, a two-step procedure based on the extraction of crushed needles with water then re-extraction with methanol proved a good alternative to direct extraction with methanol. Extraction of uncrushed spruce needles might indicate that relatively more p-hydroxyacetophenone than catechin was located in the surface layer of the needle.
ACCESSION #
17434208

 

Related Articles

Share

Read the Article

Courtesy of VIRGINIA BEACH PUBLIC LIBRARY AND SYSTEM

Sorry, but this item is not currently available from your library.

Try another library?
Sign out of this library

Other Topics