نتایج جستجو برای: antioxidant activiy

تعداد نتایج: 93408  

Journal: :Plant foods for human nutrition 2007
Zenon Jastrzebski Zev Tashma Elena Katrich Shela Gorinstein

Prolipid a known mixture of herbs is used as a plasma lipid lowering medicine. No side effects were registered. However, the bioactive substances of Prolipid were not investigated. Therefore in this investigation Prolipids bioactive compounds and antioxidant activity were studied. The contents of polyphenols and flavonoids were 19.87 +/- 2.09 and 3.09 +/- 0.31 mg gallic acid equivalent GAE/g DW...

2014
Chao-Zhan Lin Chen-Chen Zhu Min Hu Ai-Zhi Wu Zeren-Dawa Bairu Suolang-Qimei Kangsa

AIM Antioxidant activity is one of the important indexes for estimating medicinal value for the traditional Chinese medicine. The aim of this study is to investigate the antioxidant activity of 11 flavonoids mainly revealing luteolin as mother nucleus isolated from Pyrethrum tatsienense. MATERIALS AND METHODS The antioxidant activity of 11 flavonoids was measured in vitro using the classical ...

Journal: :American journal of physiology. Heart and circulatory physiology 2009
Tomomi Hasegawa Koichiro Iwanaga Donald E Hultquist Hui Liao Scott H Visovatti David J Pinsky

Oxidant injury occurs when an organ is severed from its native blood supply and then reperfused and continues during subsequent periods of immune attack. Experiments here test the hypothesis that an antioxidant given only in the peri-reperfusion period protects against not only oxidative but also nitrosative stress, leading to reduced vasculopathy long after cardiac allotransplantation. Experim...

2003
Nicoletta Pellegrini Mauro Serafini Barbara Colombi Daniele Del Rio Sara Salvatore Marta Bianchi Furio Brighenti

Epidemiologic studies have demonstrated an inverse association between consumption of fruits and vegetables and morbidity and mortality from degenerative diseases. The antioxidant content of fruits and vegetables may contribute to the protection they offer from disease. Because plant foods contain many different classes and types of antioxidants, knowledge of their total antioxidant capacity (T...

Journal: :Indian journal of experimental biology 1999
J N Dhuley

In order to gain insight into the antioxidant effect of cinnamon (Cinnamomum verum; Lauraceae) and cardamom (Amomum subulatum; Zingiberaceae) hepatic and cardiac antioxidant enzymes, glutathione (GSH) content and lipid conjugated dienes were studied in rats fed high fat diet along with cinnamon or cardamom. The antioxidant enzyme activities were found to be significantly enhanced whereas GSH co...

2016
Yoko Matsumura Toshihiro Ito Hisakazu Yano Eiji Kita Keiichi Mikasa Masatoshi Okada Azusa Furutani Yuka Murono Mitsuru Shibata Yasue Nishii Shin-ichi Kayano

This data article is related to the research article entitled, "Antioxidant potential in non-extractable fraction of dried persimmon (Diospyros kaki Thunb.)" (Matsumura et al., 2016) [1]. We investigated antioxidant activities of the non-extractable fraction of dried persimmon fruits in vitro and in vivo. We evaluated both extracted fraction and non-extractable fraction, and reported that non-e...

Journal: :Natural product research 2015
Dorota Woźniak Andrzej Dryś Adam Matkowski

We evaluated the antioxidant properties of four main flavones from Scutellaria baicalensis: baicalein, wogonin and their glucuronides - baicalin and wogonoside. We used three in vitro assays: free radical scavenging with 2,2'-diphenylpicrylhydrazyl radical, transition metal ions reducing power by phosphomolybdenum assay and inhibition of the hydroxyl radical-induced peroxidation of linoleic aci...

2011
HUMA ALI JITENDER MONGA LOKENDRA GUPTA

As plants produce a huge amount of antioxidants they can represent a source of new compounds with antioxidant activities. From this point of view, the main goal of this research was to study the antioxidant activities of the Ficus carica through the 1,1-diphenyl-2-picrylhydrazyl (DPPH) radicalscavenging method. Since DPPH assay has been largely used as a quick, reliable, and reproducible parame...

2010
Shimin Kang Biao Li Jie Chang Juan Fan

Black liquor alkaline lignin and magnesium lignosulfonate were liquefied at 320 C. The antioxidant abilities of the liquefaction products were compared with the raw materials. Results showed that the total phenol content and unit antioxidant power of both alkaline lignin liquefaction products (ALLP) and magnesium lignosulfonate liquefaction products (MLLP) were improved, and ALLP had a larger i...

2012
Xican Li Jing Lin Yaoxiang Gao Weijuan Han Dongfeng Chen

UNLABELLED BACKGROUND As a typical Chinese herbal medicine, rhizoma Cimicifugae (RC, in Chinese) possesses various pharmacological effects involved in antioxidant activity. However, its antioxidant activity has not been reported so far. The aim of the present study was to systematically evaluate the antioxidant ability of RC in vitro, then discuss the mechanism. METHODS Firstly, five RC ...

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