نتایج جستجو برای: antioxidant activiy

تعداد نتایج: 93408  

2012
Eduard Kejnovsky Jennifer S. Hawkins Cédric Feschotte

2.4 Influence of Host Biology on Transposable Element Proliferation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 2.4.1 Effective Population Size . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 2.4.2 Breeding System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 2.4.3 Recomb...

Journal: :Roczniki Panstwowego Zakladu Higieny 2010
Katarzyna Łastawska

Seven commercial food supplements present on the Polish market were evaluated for their in vitro antioxidant capacity. The selected products were in the form of hard gelatin capsules. They contained the extracts from chokeberry, cranberry, blueberry and green tea. The mixture of vitamins and minerals as well as the product containing vitamin C in substantial dose were included into comparison. ...

2012
A. R. Srividya S. P. Dhanabal S. Jeevitha V. J. Vishnu Varthan R. Rajesh Kumar

Aim of this paper is to find out the relationship between antioxidant activity of Abutilon indicum Linn and their phytochemical composition especially phenols and flavonols. Successive extractions were carried out for the Abutilon indicum plant with petroleum ether, chloroform, ethyl acetate, n-butanol, ethanol and water. All these extracts were evaluated for their antioxidant activities. Their...

2014
Lingxiao Yang Hui Zhang Lilin Cheng Zhonghua Gu Dan Hua Xiguang Qi Haifeng Qian Li Wang

Cereal grains are generally subjected to thermal treatment before consumption. However, few data are available on total phenolic content (TPC), degree of starch gelatinization, phenolic acids, and antioxidant capacity of extruded whole grains based on trolox equivalent antioxidant capacity (TEAC), DPPH radical scavenging activity, and ferric reducing antioxidant potential (FRAP). Four whole gra...

Journal: :فصلنامه علمی پژوهشی گیاهان دارویی 0
m khaki ma sahari food technology department, college of agriculture, tarbiat modares university, tel: +98 – 21 – 48292328, fax: +98- 21- 48292200 m barzegar

background: essential oils of medicinal plants such as chamomile are very complex natural mixtures which can contain compounds at quite different concentrations and some of their components have antioxidant and antimicrobial activities in foodstuff. objective: the antioxidant and antimicrobial effects of chamomile essential oil in cake preparation were evaluated during 75 days of storage. metho...

Journal: :Molecules 2010
Li Fu Bo-Tao Xu Xiang-Rong Xu Xin-Sheng Qin Ren-You Gan Hua-Bin Li

In order to identify wild fruits possessing high nutraceutical potential, the antioxidant activities of 56 wild fruits from South China were systematically evaluated. The fat-soluble components were extracted with tetrahydrofuran, and the water-soluble ones were extracted with a 50:3.7:46.3 (v/v) methanol-acetic acid-water mixture. The antioxidant capacities of the extracts were evaluated using...

Journal: :Plant foods for human nutrition 2006
Yong-Seo Park Soon-Teck Jung Seong-Gook Kang Efren Delgado-Licon Elena Katrich Zev Tashma Simon Trakhtenberg Shela Gorinstein

UNLABELLED The consumption of fruits and vegetables with high antioxidant activities leads to best healthful results. Therefore, in the present investigation we tried to find the peak of the kiwifruits antioxidant activity during the first 10 days of ethylene treatment (100 ppm at 20 degrees C). In order to receive the most reliable data five different antioxidant assays were used: ferric-reduc...

Journal: :American journal of physiology. Regulatory, integrative and comparative physiology 2011
Reinald Pamplona David Costantini

In this review, it is our aim 1) to describe the high diversity in molecular and structural antioxidant defenses against oxidative stress in animals, 2) to extend the traditional concept of antioxidant to other structural and functional factors affecting the "whole" organism, 3) to incorporate, when supportable by evidence, mechanisms into models of life-history trade-offs and maternal/epigenet...

Journal: :Molecules 2010
Jing Zhao Jiang-Sheng Zhang Bin Yang Guang-Ping Lv Shao-Ping Li

The sesquiterpenoids are one of major groups of antioxidants in Curcuma besides curcuminoids. However, the real substances contributing to the antioxidant activity are still unknown. In this paper, the antioxidant activity of sesquiterpenoids in four species and two essential oils from Curcuma genus was determined and compared based on TLC separation and DPPH bioautography assay. Their antioxid...

Journal: :Food chemistry 2012
Peng Jin Shiow Y Wang Haiyan Gao Hangjun Chen Yonghua Zheng Chien Y Wang

The effects of cultural system and essential oil treatment on antioxidant capacities in raspberries were evaluated. Raspberries were hand-harvested from organic and conventional farms in Maryland, USA, and were treated with essential oil including carvacrol, anethole, cinnamic acid, perillaldehyde, cinnamaldehyde, and linalool. Results from this study showed that raspberries grown from organic ...

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