Open AccessVsebnost ekstraktivov v skorji in lesu robinije (Robinia pseudoacacia L.)
Author(s) -
Viljem Vek,
Blaž Vivod,
Ida Poljanšek,
Primož Oven
Publication year - 2019
Publication title -
acta silvae et ligni
Language(s) - English
Resource type - Journals
eISSN - 2335-3953
pISSN - 2335-3112
DOI - 10.20315/asetl.119.2
Subject(s) - robinia , bark (sound) , chemistry , locust , acetone , high performance liquid chromatography , phenols , botany , chromatography , food science , organic chemistry , biology , ecology
The content and composition of extractives in the wood and bark tissue of black locust (Robinia pseudoacacia L.) were investigated. Wood and bark samples were extracted using a Soxhlet apparatus with acetone. The extracts were gravimetrically examined to measure total hydrophilic extractive content. Total phenolic content was measured colorimetrically with a UV-Vis spectrophotometer. The wood and bark extracts were further investigated using high-pressure liquid chromatography (HPLC) to identify and quantify dihydrorobinetin in the extracts. The contents of total hydrophilic extractives, total phenols and dihydrorobinetin were higher in heartwood than in the sapwood and bark. No relationship was found between the height at which the samples were taken from the stem and the content of soluble components in the wood and bark. The heartwood of black locust represents a rich potential source of phenolic extractives.