Effects of Salvia officinalis and Thymus vulgaris on oxidant-induced DNA damage and antioxidant status in HepG2 cells.

Salvia officinalis (SO) and Thymus vulgaris (TV) are medicinal plants well known for their curative powers. However, the molecular mechanisms responsible for these abilities of sage and thyme have not been fully understood yet. In this study we investigated the composition and the quantitative estimation of plant extracts, the protective effects of plant extracts against hydrogen peroxide- and 2,3-dimethoxy-1,4-naphthoquinone-induced DNA damage, and levels of enzymatic and non-enzymatic antioxidants (superoxide dismutase, glutathione peroxidase, glutathione) in human HepG2 cells.

Effects of Ligustrum delavayanum Hariot. on cholesterol levels and arrhythmogenesis induced by myocardial ischaemia-reperfusion injury in diabetic-hypercholesterolaemic rats.

The present study was conducted to determine the effects of Ligustrum delavayanum Hariot. (Oleaceae) on cholesterol levels and the outcome of myocardial reperfusion injury in diabetic-hypercholesterolaemic rats. Per orally daily administration of a Ligustrum infusion (1000mg/kg, calculated on the dry plant material) to the rats with induced diabetes and hypercholesterolaemia significantly reduced the liver total cholesterol content.