Polygonaceae familyasının türü olan Rheum ribes’in taze gövde ve yaprakları Lübnan, İran Türkiye’nin doğusunda sebze olarak tüketilmektedir. Son zamanlarda farmakolojik alanlarda kullanılan bu bitkiden Asya ülkelerinde saf ilaç materyalleri üretilmektedir. Çalışmamızda, ribes kısımlarından etil asetat, hekzan, metanol su çözücüleri kullanılarak 10-100 mg/mL konsantrasyonlarda hazırlanan özütler...

acetylcholinesterase (ache) is the main enzyme for the breakdown of acetylcholine. nowadays, usage of the inhibitors of this enzyme is one of the most important types of treatment of mild to moderate neurodegenerative diseases such as alzheimer’s disease. herbal medicines can be a new source of inhibitors of this enzyme. in this study we examined around 100 different plants to evaluate their in...

Rheum ribes is among the Polygonaceae family which is endemic in Iran and a few neighboring countries. In this investigation, antibacterial effects of root, stalk and leaves extracts of Rheum ribes on a few common clinical isolates of gram negative pathogens were studied, using the cup plate and paper disc methods. Gram negative microorganisms studied were Escherichia coli, Klebsiella pneumonia...

the composition of the essential oil from the stalks and flowers of rheum ribes l., growing in iran, were extracted by hydrodistillation and analyzed by gc-ms. thirty constituents representing 93.84% of rheum oil were identified.  the oil was found to be rich in hydrocarbons especially long-chain n-alkanes (80.81%). the most abundant components in the oil included tricosane (26.29%), heneicosan...

in iranian folk medicine, especially in west of the country, the aromatic water of rheum ribes has been used for several purposes such as fever reduction.  despite the widespread use of this plant as food or as a medicinal plant, there is still lack of information on its toxicity profile.                                                                in the present study we aimed to evaluate th...

The aim of the study is to evaluate ethanol extract Rheum ribes root (RTE), as well and young shoots (RYSE), for its chemical composition, antioxidant properties cytotoxic effects. Total polyphenols (TPC), total flavonoid (TFC), radical scavenging activity (DPPH), ferric reducing power (FRAP) extracts were determined using colorimetric methods. Mineral contents vitamin values samples by ICP-MS ...