in countries having traditional medicine (tm), one of the main challenges for any researcher is research methodology. current methodologies are different with what was in past. the main purpose of this article is to present the steps (herbs, claims and methodology) of research in tm fields. 1. assessment of herbs history, method of study, quality assessment, efficacy, safety, toxicity and the...

background medicinal plants with natural antioxidants have been shown to be beneficial in a variety of complications such as anxiety. the elevated plus-maze (epm) is one of the most widely used models to assess anxiety in small rodents. objectives this study was designed to characterize the anxiolytic-like activity of borago officinalis (linnaeus, family boraginaceae) or borage flowers extract,...

antioxidants have important preventive roles, not only on undesirable changes in the flavor and nutritional quality of food, but also on tissue damage in various human diseases. some of iranian plants, despite wide spread use of them as medicines in iran have been investigated for their beneficial use as an antioxidants or source of antioxidants. the present review deals with a list of such pla...

halitosis is an oral health condition characterized by unpleasant odors emanating constantly from oral cavity. almost 22-50% of the population experiences such a condition during lifespan and about half of them suffer from personal discomfort and social embarrassment. based on the literature survey, it seems that the oral cavity is the most important origin of halitosis; therefore, this area co...

Some medicinal plants are a potential source of new drugs, in order to improve the treatment of Chagas disease whose treatment is still a challenge. In this study, the in vitro anti-epimastigote activity of certain fractions of Achillea biebersteinii, A. millefolium, Satureja mutica and S. macrantha was evaluated. Diethyl ether fractions of Achillea species and acetone fractions of Satureja spe...

this comparison is not made here but a comparative study of the two drugs would make a most interesting investigation. One is also reminded of Rauwolfia from Ancient India which turned out to have a hypotensive action. The author has written a very interesting and useful book, but it is a pity that the documentation is rather limited. There has of late been a resurgence of interest in "natural"...