Abstract Background Herbs are an important source of pharmaceuticals. traditionally used by millions peoples for medicine, food and drink in developed developing nations considering that they safe. But, interaction herbs with other medicines may cause serious adverse effects or reduces their efficacy. The demand “alternative” has been increased significantly, which include medicine derived from...

A total of 231 different soil Streptomyces isolates were recovered from 16 different locations in North Jordan. They were assessed for their phytotoxic activity on seeds of cucumber (Cucumis sativus L.) and ryegrass (Lolium perenne L.) placed adjacent to a 2 cm wide Streptomyces culture strips grown at 28C degrees for 3 weeks on starch casein nitrate (SCN) agar. Phytotoxicity was ascertained on...

Introduction: Silymarin is obtained from Silybum marianum (milk thistle), an edible plant that has long been used medicinally for the treatment of liver-related disorders. Silymarin is a powerful hepatoprotective and antioxidant but the anticlastogenic activity, which is an important aspect of its cancer chemoprevention is not known hence the present investigation was carried out to study its...

Milk thistle (Silybum marianum) is a popular herbal product used for hepatoprotection and chemoprevention. Two commercially available formulations are the crude extract, silymarin, and the semipurified product, silibinin. Silymarin consists of at least seven flavonolignans, of which the most prevalent are the diastereoisomers silybin A and silybin B; silibinin consists only of silybin A and sil...

BACKGROUND Extracts of milk thistle (MT), Silybum marianum, have been used as medical remedies since the time of ancient Greece. Methotrexate is a potentially hepatotxic drug. OBJECTIVES To clarify the hepatoprotective effects of MT on methotrexate. MATERIALS AND METHODS From January 2010 to April 2010, 30 male rats were recruited into three 10-rat subgroups in Tabriz University of Medical ...

Invasive species have the potential to alter trade-offs leading to selection in the populations they invade. Here we quantify the demographic and selective effects of herbivory by native insects and the introduced floral feeder Rhinocyllus conicus on Platte thistle (Cirsium canescens), a sparse monocarpic thistle endemic to North America. Rhinocyllus first invaded the Platte thistle population ...

High value specialty chemicals are usually obtained from natural products by extracting with generally regarded as safe (GRAS) soh•ents. Because organic solvents are quite often used, high operating and disposal costs often occur. When compared to traditional solvents, water can be viewed as an interesting a/tentative because of its low operating and disposal costs. Milk thistle contains compou...