نتایج جستجو برای: methanol extracts

تعداد نتایج: 115064  

Journal: :journal of agricultural science and technology 2012
z. rafiee s. m. jafari m. alami m. khomeiri

the antioxidant properties and total phenols’ content of 80% methanol, acetone and water extracts of olive leaves procured through microwave assisted extraction (mae) were examined. two varieties of olive namely: cronaiky and roghani were the ones studied. various experimental models were employed for antioxidant activity evaluation of the extracts. the results revealed the highest phenolic con...

Journal: :research journal of pharmacognosy 0
n. khosravi dehaghi department of pharmacognosy, faculty of pharmacy, alborz university of medical sciences, karaj, iran. a.r. gohari medicinal plants research center, faculty of pharmacy, tehran university of medical sciences, tehran, iran. s.s. sadat-ebrahimi department of medicinal chemistry, faculty of pharmacy, tehran university of medical sciences, tehran, iran. h. naghdi badi institute of medicinal plants, iranian academic center for education, culture & research (acecr),karaj, iran. y. amanzadeh department of pharmacognosy, faculty of pharmacy, tehran university of medical sciences, tehran, iran.

background and objectives:lallemantia iberica (lamiaceae) is a medicinal plant distributed in different parts of iran. this research, has evaluated the phytochemical constituents and antioxidant activity of the aerial parts of the plant. methods: different chromatographic methods such as column chromatographies using silica gel (normal and reversed phases), sephadex lh-20 and hplc were used for...

2005
B. K. Manjunatha

Objective: To investigate the comparative wound-healing potency of aqueous and methanol leaf extracts of Vernonia arborea Hk. Materials and Methods: Excision, incision and dead space wound models were used to evaluate the wound-healing activity of Vernonia arborea Hk., on Swiss Wistar strain rats of either sex. In excision wound model, treatment was continued till the complete healing of the wo...

2015
Lei Shi Zhi-qiang Ji Yue-mei Li Yuan-yuan Li Chang-sheng Guo

Background: Toddalia asiatica (Linn) Lam is a woody vine that is used medicinally in China, India, and East Africa. The aim of the present study was to examine the antioxidant and antibacterial activity of the roots of Toddalia asiatica (Linn) Lam (TA). Materials and Methods: The antioxidant capacity of TA roots was determined using 1,1 iphenyl-2-picrylhydrazyl (DPPH), 2,2 ́-azino-bis(3-ethylben...

2016
Mansureh Kamali Susan Khosroyar Hossein Kamali Tooba Ahmadzadeh Sani Ameneh Mohammadi

OBJECTIVE Dracocephalum kotschyi (Lamiaceae family) has been used in traditional medicine for stomach and liver disorders, headache and congestion. In the present study, we have investigated phytochemical properties and antioxidant activities of dichloromethane, ethyl acetate and methanol extracts of D.kotschyi. MATERIAL AND METHODS Antioxidant activities of extracts were evaluated using the ...

Journal: :Molecules 2012
Zahid Iqbal Sajid Farooq Anwar Ghulam Shabir Ghulam Rasul Khalid M Alkharfy Anwarul-Hassan Gilani

This study appraises the antioxidant and antimicrobial attributes of various solvent extracts (absolute methanol, aqueous methanol, absolute ethanol, aqueous ethanol, absolute acetone, aqueous acetone, and deionized water) from bark, leaves and seeds of Pongamia pinnata (L.) Pierre. Maximum extraction yield of antioxidant components from bark (16.31%), leaves (11.42%) and seeds (21.51%) of P. p...

In this study, antioxidant and antimicrobial potentials of Usnea intermedia, U. filipendula, and U. fulvoreagens and their stictic and usnic acid contents were investigated. Antioxidant activity and total phenolic contents were evaluated in acetone, ethanol, and methanol extracts of these three species. Antioxidant activity was measured by ABTS [2,2'-azino-bis(3-ethylbenzothiazoline-6-sulphonic...

In this study, antioxidant and antimicrobial potentials of Usnea intermedia, U. filipendula, and U. fulvoreagens and their stictic and usnic acid contents were investigated. Antioxidant activity and total phenolic contents were evaluated in acetone, ethanol, and methanol extracts of these three species. Antioxidant activity was measured by ABTS [2,2'-azino-bis(3-ethylbenzothiazoline-6-sulphonic...

2013
Tahseen Iqbal Abdullah Ijaz Hussain Shahzad Ali Shahid Chatha Syed Ali Raza Naqvi Tanveer Hussain Bokhari

The antioxidant activity and free radical scavenging capacity of the essential oil and three different extracts of wildly grown Mentha longifolia (M. longifolia) were studied. The essential oil from M. longifolia aerial parts was isolated by hydrodistillation technique using Clevenger-type apparatus. The extracts were prepared with three solvents of different polarity (n-hexane, dichloromethane...

2013
M. Amin Mir

The present study investigates the qualitative and quantitative analysis of the major bioactive constituents of medicinally important plant Taraxacum officinale in its aqueous and methanol extract of root, stem and flower. Saponins, flavonoids, alkaloids, phenols were highly concentrated in the stem, root and flower, with the higher concentration of flavonoids in the flower extracts. Phenols an...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید