Background: The post-harvesting process of medicinal plants such as drying operation and storage conditions has great influence on their quality and quantity of the active ingredients. Objective: The aim of this experiment was to investigate the effect of pre-drying operation and also storage conditions and duration on the essential oil content and composition of Thymus daenensis. Methods: A ...

Trachyspermum copticum is one of the most important Iranian Apiaceae species which is widely distributed in the northern region of Iran. In this study, chemical compounds, anti-tumor and antibacterial activities of T. copticum essential oil were evaluated. The essential oil obtained by Clevenger apparatus and then the chemical composition was analyzed by GC-MS. Antibacterial activity of essenti...

Background and objectives: The aerial parts of Artemisia marschalliana Sprengel as an indigenous species of genus Artemisia in the East Azerbaijan province of Iran, was subjected to phytochemical analysis, as well asanti-proliferative, free-radical-scavenging and anti-malarialactivities. Methods: The chemical composition of the essential oil o...

this study carried out to determine the differences between oil content and fatty acid compositions of 12 exotic and 6 local safflower genotypes. the experiments were arranged in randomized complete blocks design with three replications in research station of ferdowsi university of mashhad. the results of variance analysis showed that the differences of seed yield, oil content and fatty acid co...

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Introduction: Oral diseases are among the most important worldwide infectious diseases. Due to drug resistance and the side effects of chemical drugs, the use of herbal medicines has increased. Scrophularia striata (S. striata) is a herbal flowering plant that is used in microbial infections. Therefore, this study aimed to evaluate the antimicrobial activity of S. striata essential oil on denta...

The genus Hypericum is one of the most important medicinal plants that contain 17 species in Iran, three of them are endemics. This paper reports the essential oil composition of eight Hypericum species from Iran. The essential oil analysis of a number of the studied plants has already been reported but their report from Iran may be valuable for scientists.  Samples collected from different pla...

The composition of the essential oil obtained from the dried flowering aerial parts of Artemisia annua L. (Compositae) was analysed by GC and GC/MS. Thirty-two components were identified in the essential oil of A. annua L. with campher (48.00%), 1,8-cineole (9.39%), camphene (6.98%) and spathulenol (4.89%) as major components. The essential oil was evaluated for antibacterial and antifungal act...