Molecules, Vol. 27, Pages 7335: Chemical Profiling and Biological Activity of Extracts from Nine Norwegian Medicinal and Aromatic Plants

Molecules, Vol. 27, Pages 7335: Chemical Profiling and Biological Activity of Extracts from Nine Norwegian Medicinal and Aromatic Plants Molecules doi: 10.3390/molecules27217335 Authors: Rune Slimestad Amritha Johny Mette Goul Thomsen Christian Renè Karlsen Jan Thomas Rosnes There is an increased interest in identifying beneficial compounds of plant origin that can be added to animal diets to improve animal performance and have a health-promoting effect. In the present study, nine herb species of the Norwegian wild flora or which can be cultivated in Norway were selected for phytogenic evaluation (hops, maral root, mint, oregano, purslane, rosemary, roseroot, sweet wormwood, yarrow). Dried herbs were sequentially extracted with dichloromethane (DCM), ethanol (EtOH) and finally water (H2O) by ultrasound-assisted extraction (UAE). The UAE protocol was found to be more rational than conventional Soxhlet with respect to DCM extraction. Total extraction yield was found to be highest for oregano (Origanum vulgare) with 34.4 g 100−1 g dry matter (DM). H2O-extracts gave the highest yields of the three solvents, with up to 25 g 100−1 g DM for purslane (Portulaca oleracea ssp. sativa) and mint (Mentha piperita). EtOH- and H2O-extracts were the most efficient extracts with respect to free radical scavenging capacity (ABTS (=2,2-azino-bis (3-ethylbenzothiazoline-6-sulfonic acid), and oregano, mint, hops (Humulus lupulus) and maral root-leaves ...
Source: Molecules - Category: Chemistry Authors: Tags: Article Source Type: research