Isolation of a number of bioactive compounds from medicinal plants such as acetylcholinesterase inhibiting steroidal alkaloids, homomoenjodaramine and moenjodaramine from Buxus hyrcana, anti-epileptic terpenoids delphadienones I and II from Delphinium denudatum, and potent leishmanicidal compound ajoene from Allium sativum have been achieved through bioactivity-guided isolation.

Pentylenetetrazole (PTZ) is a chemical substance which largely used for the induction of seizure and epilepsy in animal model, it can also, disrupts free radicals balance cause oxidative stress body with negative impact on memory learning. In this study, medicinal plant Buxus hyrcana, was to evaluate its effect deficit caused by PTZ rats. Twenty-four rats were randomly allocated 4 groups: contr...

Clinical and Epidemiological studies have shown that a diet rich in fruits and vegetables is associated with a decreased risk of cardiovascular diseases, cancers and other related disorders. These beneficial health effects have been attributed in part to the presence of antioxidants in dietary plants. Therefore screening for antioxidant properties of plant extracts has been one of the interests...

OBJECTIVES Alcea hyrcana Grossh (A. hyrcana Grossh) (malvacea), is native to northern of Iran. Many of the plants belonging to the genus Alcea are known to possess ethnomedical and biological properties. In this study, antioxidant activities of methanolic extracts of flower, seed and leaves of Alcea hyrcana Grossh were evaluated by various antioxidant assays. MATERIAL AND METHODS 1,1-diphenyl...