نتایج جستجو برای: lamiaceae extract beta carotene linoleic acid dpph

تعداد نتایج: 1072691  

Salvia genus is one of the largest genera of the Lamiaceae family. Its species have been used for a wide variety of disorders in the local traditional medicine systems. Therefore, the genus has been the subject of several phytochemical and biological studies. The aim of the study was to identify the major antioxidant compound(s) from the methanol extract of Salvia verticillata using activity-gu...

Journal: :European review for medical and pharmacological sciences 2011
B Ozcan M Esen M Caliskan R A Mothana A C Cihan H Yolcu

BACKGROUND AND OBJECTIVES The present study was performed to evaluate the in vitro antimicrobial and antioxidant properties of various extracts of Verbascum (V.) pinetorum, a member of Scrophulariaceae family. While the antimicrobial activity of various extracts of V. pinetorum was determined with agar-well diffusion method, the antioxidant activity was examined with two complementary test syst...

Journal: :Pharmaceutical biology 2014
Ahmad Ibrahim Husein Mohammed Saleem Ali-Shtayeh Waheed Jebril Jondi Nidal Abd-Aljapar Zatar Ibrahim M Abu-Reidah Rana M Jamous

CONTEXT Despite several pharmacological applications of the medicinal plants in the Traditional Arabic Palestinian Herbal Medicine in Palestine (TAPHM), studies on their antioxidant properties are still scarce. OBJECTIVE This work evaluates the antioxidant and antitumor activities of the ethanol extracts from different parts of six plants: [Arum palaestinum Boiss (Araceae), Urtica pilulifera ...

Journal: :journal of agricultural science and technology 2016
i. jabri karoui k. msaada m. abderrabba b. marzouk

this study was designed to examine bioactive compounds of the thyme-enriched corn oil and to determine the antioxidant activity of its methanolic extract. volatile compounds composition was investigated by gas chromatography-mass spectrometry (gc-ms), whereas phenolic compounds analysis was performed by reversed-phase high-performance liquid chromatography (rp-hplc). antioxidant activities of t...

2011
Nuhu Alam Ki Nam Yoon Kyung Rim Lee Hye Young Kim Pyung Gyun Shin Jong Chun Cheong Young Bok Yoo Mi Ja Shim Min Woong Lee Tae Soo Lee

Cellular damage caused by reactive oxygen species has been implicated in several diseases, thus establishing a significant role for antioxidants in maintaining human health. Acetone, methanol, and hot water extracts of Pleurotus citrinopileatus were evaluated for their antioxidant activities against β-carotene-linoleic acid and 1,1-diphenyl-2-picrylhydrazyl (DPPH) radicals, reducing power, ferr...

Journal: :journal of medicinal plants and by-products 0

the genus verbascum l. belongs to the family scrophulariaceae and includes plants that have been used widely in traditional medicine for a long time. methanolic extracts of three verbascum species from flora of iran were in vitro screened for their possible antioxidant activities by three complementary test systems, namely dpph free radical-scavenging, metal chelating activity and β-carotene/li...

2011
Tae Soo Lee Nuhu Alam Ki Nam Yoon Pyung Gyun Shin Jong Chun Cheong Young Bok Yoo Soo Lee

Pleurotus cornucopiae has been widely used in nutritional and medicinal purposes. This study was initiated to screen the antioxidant activities, tyrosinase inhibitory effects on the fruiting bodies of P. cornucopiae extracted with acetone, methanol and hot water. The antioxidant activities were performed on β-carotene-linoleic acid, reducing power, DPPH, ferrous ions chelating abilities, and xa...

Journal: :Molecules 2009
Nan Wu Kuang Fu Yu-Jie Fu Yuan-Gang Zu Fang-Rong Chang Yung-Husan Chen Xiao-Lei Liu Yu Kong Wei Liu Cheng-Bo Gu

Antioxidant activities of the aqueous and ethanol extracts of pigeonpea [Cajanus cajan (L.) Millsp.] leaves, as well as petroleum ether, ethyl acetate, n-butanol and water fractions and the four main compounds separated from the ethanol extract, i.e. cajaninstilbene acid (3-hydroxy-4-prenylmethoxystilbene-2-carboxylic acid), pinostrobin, vitexin and orientin, were examined by a DPPH radical-sca...

The genus Verbascum L. belongs to the family Scrophulariaceae and includes plants that have been used widely in traditional medicine for a long time. Methanolic extracts of three Verbascum species from flora of Iran were in vitro screened for their possible antioxidant activities by three complementary test systems, namely DPPH free radical-scavenging, metal chelating activity and β-carotene/li...

Journal: :Food Science and Technology 2021

In vitro antioxidant activity of extracts lotus rhizome with different solvent by gradient extraction was determined. The yield and total phenolic content were 1,1-diphenyl-2-picrylhydrazyl hydrate (DPPH) radical scavenging assay β-carotene-linoleic acid conducted to assess the extracts. Results showed that butanol extract highest. order in as follows: water < petroleum ether chloroform ethyl a...

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