objective(s):one strategy for the treatment of diabetes is inhibition of pancreatic α- amylase. plants contains different chemical constituents with potential for inhibition of α-amylase and hence maybe used as therapeutic. materials and methods: urtica dioica and juglans regia linn were tested for α-amylase inhibition. different concentrations of leaf aqueous extracts were incubated with enzym...

the antimicrobial activity of methanolic extracts from different parts of 11 indigenous wild plantspecies used in traditional medicines of iran were tested against nine species of microorganisms: escherichiacoli, staphylococcus aureus, staphylococcus epidermis, pseudomonas aeruginosa, klebsiella pneumoniae,salmonella typhi, bacillus subtilis, aspergillus niger and candida albicans. the antimicr...

objective: antioxidants are essential for sperm motility. calligonum extract possesses the important antioxidants catechin and quercetin. this study investigates the effects of calligonum extract on sperm parameters and the rate of apoptosis in testes of aging male mice. methods: we initially performed a dose response test with using three doses of calligonum (10 mg/kg, 30 mg/kg and 50 mg/kg). ...

background: danae racemosa is used medicinally and as a culinary spice. its constituents are stated to have antithrombotic, antihepatotoxic, antinociceptive and antioxidant. objective: enhanced oxidative stress and changes in antioxidant capacity are considered to play an important role in the pathogenesis of chronic diabetes mellitus. methods: wistar male rat (n=30) were allocated into three g...

background: in traditional medicine zingiber officinale used to regulate female menstural cycle and treat male infertility. recent studies have suggested the possible role of ginger extract in improving the testicular damage of busulfan. objective: the aim of this study was to evaluate the effects of zingiber officinale on the sperm parameters, testosterone level and the volume of the testes an...

background: “teucrium polium l.” (tp) has been long recommended in iranian folk medicine for its anti-diabetic activities. we attempt here to evaluate the effect of tp extract on insulin secretion in rat pancreas. methods: rat pancreas was isolated in situ and perfused with krebs solution containing low glucose (lg, 2.8 mm) or high glucose (hg, 16.7 mm) as perfusate. the aqueous extract (aq. e)...

background the production of nanoparticles using a biosystem is considered green chemistry. application of plant extracts as a biological process has been proven to be suitable for synthesis of nanoparticles. objectives this study designed in order to evaluate the production of silver nanoparticles using juglans regia leaf extract and to compare the outcome of different preparation methods of p...

background :    due to excessive consumption of synthetic drugs, drug resistance rate of pathogenic bacteria is increasing and there is an ever-increasing need to find new safe compounds to tackle this problem. this study was conducted to investigate the consequences of chavill extract on the growth and viability of gastrointestinal pathogenic bacterium and probiotics bacteria.   methods :    t...

objective: many species of plants present noticeable potency against human bacterial and fungal pathogens. materials and methods: in the current study, antimicrobial activity of the fresh fruits of 4 cultivars (a to d) of malus domestica cultivated in the qamsar area of kashan, iranwas investigated. the disk diffusion and minimal inhibitory concentration (mic) evaluation antimicrobial activity ...