background compounds present in green tea have proved to inhibit the growth and activity of bacteria associated with infections. objectives to assess the effects of green tea leaves extract in presence of propylene glycol on the aerobic mouth bacteria load. materials and methods saliva of 25 volunteer girl students aging 20-25 years were selected and evaluated by a mouthwash sample containing 1...

background methicillin-resistant staphylococcus aureus (mrsa) is considered a major cause of nosocomial and community infections. its prevalence varies from country to country, even between hospitals of a country. these bacteria often have multi-resistance and can be difficult to treat. objectives the current study evaluated the effect of hydroalcoholic extract of the stem bark of juglans regia...

helicobacter pylori :28 µg/ml).   (h. pylori) infection leads to different clinical and pathological outcomes in humans, including chronic gastritis, peptic ulcer disease and gastric neoplasia and even gastric cancer and its eradiation dependst upon multi-drug therapy. the most effective therapy is still unknown and prompts people to make great efforts to find better and more modern natural or ...

methods the mice were divided into six groups including a normal control group, a placebo group, and three treatment groups receiving 50, 100, and 200 mg/kg doses of hydroalcoholic extract via intraperitoneal (ip) injection followed by inoculation with c. albicans. a control+ group, inoculated only with c. albicans, was also employed. after all treatments, the mice were killed by cervical decap...

in this experiment, the effects of fennel and thyme extracts with and without flaxseed were investigated on performance and egg quality of leghorn-type laying hens (hy-line w-36). 200 laying hens from 26 to 38 weeks of age were assigned to five dietary treatments with five replications. the treatment groups were: 1) control (a diet without any additives); 2) control diet plus fennel (40 mg/kg f...

nowadays, green chemistry and its advantages are generating interest of researchers toward ecofriendly biosynthesis of the metallic nanoparticles. in this research, a rapid, simple and green method was developed for the synthesis of silver nanoparticles using aqueous extract of prangos ferulaceae leaves. the synthesized silver nanoparticles were characterized by uv-vis spectroscopy, scanning el...

background: oxidation of lipids causes reduction of different properties of products that contains lipids. nowadays, there is a growing demand for the natural antioxidants due to the harmful effects of synthetic antioxidants such as bha, bht and tbhq. objective: in this study, extract of aerial parts of echinacea purpurea l. was used instead of synthetic antioxidants in cake then, antioxidant a...

background: leishmaniasis is a vector-borne disease caused by flagellated protozoan parasites of the genus leishmania, which affects both humans and other mammals. most of the available drugs against the disease are toxic and some are parasite resistance to them. objective: the purpose of this study was to examine the effect of mespilus germanica extract on cutaneous leishmaniasis (cl) in balb/...

background & aim:combretaceae family is   known for efficacy in the management of sickle cell disorder (scd). based on   the earlier reports of anti-sickling property of terminalia genus the study investigates in vitro antisickling properties of terminalia arjuna and terminalia   bellirica. experimental: anti-sickling   assay of methanolic and aqueous extract of t. arjuna and t. bellirica   on ...

background: bifenthrin and acorus calamus linn extract were evaluated against dengue vectors in the laboratory. methods: both bifenthrin and acorus calamus linn crude hexane extract were bioassayed against the adults and larval stages of dengue vectors aedes aegypti l. and aedes albopictus(skuse) in the laboratory. results: the a. calamus crude hexane extract exhibited a larvicidal activity aga...