نتایج جستجو برای: 2 diphenyl 1 picrylhydrazyl

تعداد نتایج: 3936757  

Journal: :Bioscience, biotechnology, and biochemistry 2007
Kensaku Takara Keiko Otsuka Koji Wada Hironori Iwasaki Masatsugu Yamashita

In the course of our work into the use of cane by-products, we have studied the isolation and structural determination of bioactive compounds in sugarcane molasses. In this study, three stereo isomers of syringyl glycerol 3'-O-beta-D-glucopyranoside, three stereo isomers of guaiacyl glycerol 3'-O-beta-D-glucopyranoside, a syringyl glycerol 2'-O-beta-D-glucopyranoside, tachioside and a 2,3-dihyd...

The composition of essential oil isolated from Achillea eriophora, Achillea millefolium, Achillea biebersteinii and Achillea tenuifolia growing wild in the south west of Iran, was analyzed.  A. eriophora, A. millefolium and A. tenuifolia essential oils were characterized by sabinene, 1, 8-cineole, terpinene-4-ol, ά –bisabolol, p-Cymene, β-pinene and α-pinene. The A. biebersteinii essential oil ...

Journal: :Molecules 2014
Yiping Zhang Hua Fang Quanling Xie Jipeng Sun Rui Liu Zhuan Hong Ruizao Yi Hao Wu

Fucoxanthin (Fuco) is a characteristic carotenoid of brown seaweeds. In the present study, Fuco and its stereoisomers 9'Z-Fuco, 13Z- and 13'Z-Fuco were extracted from Laminaria japonica Aresch. They were isolated and purified by silica gel column chromatography, Sephadex LH-20, and reversed-phase HPLC. The radical-scavenging activities of the three stereoisomers were evaluated toward 1,1-diphen...

Journal: :Cyta-journal of Food 2021

The aim of this study was to evaluate the antioxidant activity exopolysaccharides (EPS) from Lactobacillus kimchi SR8. EPS exhibited strong scavenging activities for 1,1-diphenyl-2-picrylhydrazyl and hydroxyl radicals. Two fractions (EPS-1 EPS-3) higher than EPS-2. Low-dose CEPS could significantly increase catalase (CAT) glutathione peroxidase (GSH-Px) in serum CAT, GSH-Px superoxide dismutase...

Journal: :iranian journal of applied animal science 2012
m. mosaddegh m. hamzeloo moghadam f. naghibi s. mohebby a. pirani

safety and beneficence of farm animal nutrition plays a great role in their healthy life which in turn have impact on human nutrition via diary or meat products. assessing safety and beneficence of vicia varibilis freyn and sint. which is chosen intrinsically by domesticated animals of kohgiluyehand boyerahmad iranis the aim of the present work. our results not only show no cytotoxic activity i...

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