several attempts have so far been made in the search of new anticancer agents of plant origin. some studies have reported that different species of pine genus possess cytotoxic activities against various cancer cell lines. in the present study, we evaluated the cytotoxic effects of pinus eldarica bark and leaf extracts or leaf essential oil on hela and mcf-7 tumor cell lines. hydroalcoholic and...

The phenolic extracts of walnut cultivars with a red pellicle (HWE), purple (ZWE) and yellow (WWE) were compared. total contents phenolics, flavonoids condensed tannins, as well in vitro antioxidant activities (ABTS DPPH) the evaluated. results showed that 25 compounds identified three colored walnuts. HWE contained highest phenolics while ZWE content flavonoids. DPPH ABTS assays indicated colo...

the side effects associated with the usage of synthetic antidiabetic drugs make it imperative to search for alternative drugs from medicinal plants. therefore, this study was aimed at evaluating the α-amylase and α-glucosidase inhibitory potential of calotropis procera leaf, as well as its possible mode of inhibiting these enzymes. acetone, aqueous and ethanolic extracts of c. procera leaf was ...

in this study, both the presence and concentration of some unsaturated compounds in hexane extracts of different parts of anthemis talyschensis showing absorption at wavelength 280-450 nm were surveyed, with the view of possibly using extracts of this plant in new formulations of sunscreen creams. the hexane extracts of flower, leaf and stem of a. talyschensis , collected from northwest iran, w...

greenhouse and laboratory studies were conducted to examine the allelopathic effects of water extracts of pigweed (amaranthus retroflexu l.) leaf, stem, root and flower at different growth stages on canola seed germination and seedling growth. water extracts of leaf, stem, root and flower as individually, binary, ternary and quadri mixtures at 0, 50 and 100% concentrations were made and their e...

Breast cancer is the second main cause of death among women. The use of medicinal plants has been common in many countries since ancient times. The aim of this study was to evaluate the antioxidant and anti-proliferative potential of Achillea millefolium L. The antioxidant activity of the aqueous and hydroalcoholic extracts of Achillea millefolium L. leaf and flower was measured by DPPH and FRA...

abstract recently weed scientist are more interested in weed management by allelopathy . the main objective of the study was to evaluate allelopathic potential of sunflower on redroot pigweed and common lambsquarter. this study was conducted in two series of laboratory and greenhouse experiments. under laboratory conditions, leaf, stem and root aqueous extracts of sunflower at 0%, 2.5%, 5%, 7.5...

This was the second year of a study which evaluated the genetic variation among English walnut germplasm in response to infection by Xanthomonas campestris pv. juqlandis (Xcj), the bacterium which causes the disease walnut blight. Immature leaves and nuts of 10 walnut accessions representing the breadth of currently available germplasm were inoculated. Leaves were scored for disease severity at...

the present study was conducted to determine the most appropriate tree species planted in the same ecological condition considering different variables at darabkola forest, mazandran province. for this purpose, the success of planted species (maple, walnut, oak, pine, ash and elm) was assessed according to ninecriteria (soil nitrogen, soil phosphorus, soil potassium, leaf nitrogen, leaf phospho...

preliminary studies revealed that urtica dioica has been known as a plant that decrease blood glucose. despite the importance of this plant in herbal medicine, relatively little research has been down on effects of this plant on islets yet. the objective of the current study was to evaluate the effect of dried urtica dioica leaf alcoholic and aqueous extracts on the number and the diameter of t...