نتایج جستجو برای: Antimicrobial activity

تعداد نتایج: 1194873  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیراز - دانشکده کشاورزی 1392

چکیده بررسی فعالیت ضد اکسیدانی و ضدمیکروبی عصاره گیاه بن سرخ (allium jesdianum) به کوشش: زهرا مقیمی هدف از این تحقیق بررسی میزان ترکیبات فنولی کل، ترکیبات فلاوونوئیدی کل، فعالیت ضداکسیدانی و ضدمیکروبی عصاره ی گیاه تازه و خشک بن سرخ بود. استخراج عصاره به روش های غوطه وری، استفاده از همزن مغناطیسی، دستگاه مایکروویو، امواج فراصوت و گرمادهی مقاومتی و با استفاده از متانول، اتانول و آب به عنوا...

Journal: :iranian journal of science and technology (sciences) 2013
s. albayrak

the methanolic extracts, infusions, decoctions and hydrosols of six plants were investigated for their total phenolic contents, antioxidant and antimicrobial activities: mentha piperita (peppermint), thymus vulgaris   (thyme), melissa officinalis (lemon balm), ocimum basilicum (basil), rosmarinus officinalis (rosemary) and     salvia officinalis     (sage) (lamiaceae). total phenolic contents w...

Journal: :journal of the iranian chemical research 0
natarajan raman research department of chemistry, vhnsn college, virudhunagar-626 001, india ramaraj jeyamurugan research department of chemistry, vhnsn college, virudhunagar-626 001, india jeyasekaran joseph department of pharmaceutical chemistry, manonmanium sundaranar university, tirunelveli-627 012, india

a new series of transition metal complexes of co(ii), ni(ii), cu(ii) and zn(ii), has beensynthesized from the knoevenagel condensate schiff base ligand(l) derived from β-ketoanilideand furfural with o-phenylenediamine and diethylmalonate. structural features were determinedby spectral and analytical techniques. square-planar geometry has been adopted by thecomplexes except cobalt complex which ...

Journal: :the iranian journal of pharmaceutical research 0
marijana kosanić department of biology, faculty of science, university of kragujevac, 34000 kragujevac, radoja domanovića 12, serbia. branislav ranković department of biology, faculty of science, university of kragujevac, 34000 kragujevac, radoja domanovića 12, serbia. marko dašić department of biology, faculty of science, university of kragujevac, 34000 kragujevac, radoja domanovića 12, serbia.

the aim of the study is to examine in-vitro antioxidant and antimicrobial activity of the acetonic and methanolic extracts of the mushrooms boletus aestivalis, boletus edulis and leccinum carpini. antioxidant activity was evaluated by using free radical scavenging activity and reducing power. in addition, total content of phenol and flavonoid in extracts were determined as pyrocatechol equivale...

Journal: :iranian journal of pharmaceutical research 0
f kalyoncu e minareci o minareci

in this study, methanol and ether extracts of five endemic asperula species (rubiaceae) from turkey (a. antalyensis, a. brevifolia, a. pseudochlorantha, a. purpurea subsp. apiculata and a. serotina), used in the traditional system of medicine, were tested for antimicrobial activity by the agar well diffusion method and the broth dilution method. the most active species were asperula brevifolia ...

Journal: :iranian journal of science and technology (sciences) 2015
s. albayrak

the antioxidant activities of methanol (me), ethanol (ee), water (we) and ethyl acetate (eae) extracts of four inula helenium l. taxa (i. helenium ssp. orygalis (boiss.) grierson, i. helenium ssp. pseudohelenium grierson, i. helenium ssp. turcarasemosa grierson and i. helenium ssp. vanensis grierson) were investigated. the phosphomolybdenum assay, β-carotene–linoleate bleaching and dpph radical...

Journal: :jundishapur journal of natural pharmaceutical products 0
mohaddese mahboubi department of microbiology, medicinal plant research center of barij, kashan, ir iran; department of microbiology, medicinal plant research center of barij, kashan, ir iran. tel: +98-8644465112, fax: +98-8644465187 mohsen taghizadeh biochemistry and nutrition in metabolic disorders research center, kashan university of medical sciences, kashan, ir iran nastaran kazempour department of microbiology, medicinal plant research center of barij, kashan, ir iran

conclusions p. spinosa ethanol extract can be used as a mouthwash for treatment of the oral infections. more clinical and toxicological studies are required for providing its efficacy. results p. spinosa ethanol extract with higher-level phenolic and flavonoid contents showed the highest antioxidant and antimicrobial effects, in comparison with the other extracts. bacillus sp. and streptococcus...

Journal: :فصلنامه علمی پژوهشی گیاهان دارویی 0
z sabouri m barzegar department of food science and technology, tarbiat modares university, p.o.box: 14115-336, tehran, iran, tel: + 98 – 21 – 48292323, fax: + 98 – 21 - 48292200 ma sahari h naghdi badi

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...

Journal: :iranian journal of pharmaceutical research 0
masoume shahi islamic azad university, tehran north branch naser foroughifar azad university of tehran, faculty of science akbar mobinikhaledi arak university

there has been special interest in the chemistry of quinolone and pyrimidine derivatives due to their diverse biological activities such as anticonvulsant, anti-malarial agents, antibacterial, antiviral, cytostatic, antithelemintic, antigenotoxic, anti-cancer agents. these compounds are also used as targeting delayed-type hypersensivity and anti-convulsant agents. as a part of our research work...

Journal: :international journal of molecular and clinical microbiology 0
khosro issazadeh department of microbiology, islamic azad university, lahijan branch, lahijan, iranسازمان اصلی تایید شده: دانشگاه آزاد اسلامی لاهیجان (islamic azad university of lahijan) mohammad reza majid khoshkholgh pahlaviani department of biotechnology, lahijan branch, islamic azad university of iranسازمان اصلی تایید شده: دانشگاه آزاد اسلامی لاهیجان (islamic azad university of lahijan) alireza massiha department of biotechnology, lahijan branch, islamic azad university of iranسازمان اصلی تایید شده: دانشگاه آزاد اسلامی لاهیجان (islamic azad university of lahijan) sirus bidarigh department of agriculture, lahijan branch, islamic azad university of iranسازمان اصلی تایید شده: دانشگاه آزاد اسلامی لاهیجان (islamic azad university of lahijan) masoud giahi department of chemistry, lahijan branch, islamic azad university of iranسازمان اصلی تایید شده: دانشگاه آزاد اسلامی لاهیجان (islamic azad university of lahijan) panah zulfagar muradov azerbaijan national academy of sciences, microbiology department, baku, azerbaijan

medicinal plants are a source of great economic value all over the world. nature has bestowed on us a very rich botanical wealth and large number of diverse types of plants grows in different parts of the country. in this study the in vitro antimicrobial activity of crude ethanolic, methanolic and water extracts of the stem bark of o.basilicum were investigated. the extracts exhibited antimicro...

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