objective: tyrosinase as the key enzyme in melanin biosynthesis, involves in determining the color of mammalian skin and hair. a variety of dermatological disorders, come up from an unnecessary level of epidermal pigmentation. plants are low-cost and rich sources of active compounds.  methods: more than seventy native plants collected from the central region of kurdistan province collected. inh...

objective: development of resistance against many of the commonly used antibiotics is an impetus for further efforts to search for new antimicrobial agents. the aim of the study was determined as antibacterial activity of silver nanoparticles produced by plantago ovata seed extract against pseudomonas aeruginosa. methods: all 30 strains of p. aeruginosa wereisolated from isolates of the urinary...

background :  a large number of plants are used for treatment of diseases because of their antimicrobial activities. this study aims to investigate the antimicrobial effects of some plants on the food pathogenic bacteria.   methods : plant extracts were obtained using the rotary system, the minimum inhibitory concentration (mic) by diluting method against bacteria was determined.   results :   ...

objective: tribes in nubia mountains regions of sudan used monechma ciliatum seeds for common cold and other chest allergic conditions as a traditional medicine. the aim of this paper is to validate this traditional practice scientifically. materials and methods: monechma ciliatum seeds were screened for major phytochemical groups using standard methods. different extracts were bioassayed in- v...

background & aim: nowadays, the application of traditional medicine and herbal medicinal plants instead of chemical and synthetic drugs has captured the attention of the researchers. the purpose of this study was to investigate the antimicrobial effects of the aquatic, ethanolic and methanolic (80%) extracts of the aerial and root parts of stachys lavandulifolia vahl which were taken from t...

the production of healthy and high-quality meat and meat products in line with consumers’ demand for natural foods has become a major challenge for the meat production industry. herbal extracts and essential oils have shown potentially significant antimicrobial effects against spoilage and pathogenic microorganisms present in meat products; however, they tend to have a limited use due to the in...

in this study, antifungal property of olive leaf extracts against candida albicans ptcc-5027 was examined. fresh olive leaf extracts were prepared using distilled water in a soxhlet apparatus. the antifungal activity of the extract was analyzed by measuring the minimum inhibitory concentration (mic) and minimum fungicidal concentration (mfc), using the microdilution test and disc diffusion assa...

objective: diabetes is a common endocrine disorder caused by deficiency of insulin secretion or insulin resistant. nowadays, in addition to trying to find a safe way to control diabetes, find the low side effect way is important. this study was designed to find the effect of urtica dioica extract on glycemic control and insulin resistance in patients with type 2 diabetes. materials and methods:...

objective: saffron petal is a by-product that contains flavonoids and anthocyanins. in order to study the effects of saffron petal extract (spe) on blood parameters, immune system, and spleen histology, five treatments (n=6) were used in a completely randomized design. materials and methods: the treatments were 0, 75, 150, 225, and 450 mg/kg body weight of spe. the spe was injected intraperiton...

objective: the beneficial effects of clove on toothache have been well documented. we have also previously shown the analgesic effects of clove essential oil. the present work was done to investigate the analgesic effects of the aqueous extract of clove using hot plate test. the possible role of opioid receptors in the analgesic effects of clove was also investigated using naloxone. materials a...