The effect of oral ingestion of different fractions of onion (Allium cepa)--extract, residue, and whole--at a dose level equivalent to intake of 50 g of onion per day for a 70-kg man, for 30 days, to male adult, normal, albino rats was studied on blood and erythrocyte membrane lipids and certain membrane-bound enzymes. Onion extract and residue showed hypercholesterolemic effect, while whole on...

The plant kingdom is a wide field to search for natural effective oral hypolipidemic agents that have slight or no side effects. The search for natural substances with hypolipidemic effects is therefore desirable, particularly in countries with a persistent incidence of hyperlipidemia and cardiovascular diseases. The consumption of synthetic drugs leads to hyperurecemia, diarrhoea, nausea, myos...

Olive from Olea europaea is native to the Mediterranean region and, both the oil and the fruit are some of the main components of the Mediterranean diet. The main active constituents of olive oil include oleic acid, phenolic constituents, and squalene. The main phenolic compounds, hydroxytyrosol and oleuropein, give extra-virgin olive oil its bitter, pungent taste. The present review focuses on...