نتایج جستجو برای: phenolic antioxidant

تعداد نتایج: 108587  

2014
Inmaculada Navarro-González Rocío González-Barrio Verónica García-Valverde Ana Belén Bautista-Ortín María Jesús Periago

Edible flowers are commonly used in human nutrition and their consumption has increased in recent years. The aim of this study was to ascertain the nutritional composition and the content and profile of phenolic compounds of three edible flowers, monks cress (Tropaeolum majus), marigold (Tagetes erecta) and paracress (Spilanthes oleracea), and to determine the relationship between the presence ...

2013
Jean Legault Karl Girard-Lalancette Dominic Dufour André Pichette

The bark of boreal forest conifers has been traditionally used by Native Americans to treat various ailments and diseases. Some of these diseases involve reactive oxygen species (ROS) that can be prevented by the consumption of antioxidants such as phenolic compounds that can be found in medicinal plants. In this study, ultrasonic assisted extraction has been performed under various solvent con...

Journal: :Journal of neurochemistry 2002
Giovanni Marsicano Bemd Moosmann Heike Hermann Beat Lutz Christian Behl

Neuroprotective effects have been described for many cannabinoids in several neurotoxicity models. However, the exact mechanisms have not been clearly understood yet. In the present study, antioxidant neuroprotective effects of cannabinoids and the involvement of the cannabinoid receptor 1 (CB1) were analysed in detail employing cell-free biochemical assays and cultured cells. As it was reporte...

2011
Sandeep Rawat Arun Jugran Lalit Giri Indra D. Bhatt Ranbeer S. Rawal

Crude extract of Myrica esculenta fruits, a wild edible species of Indian Himalayan Region, was evaluated for phenolic compounds and antioxidant properties. Results revealed significant variation in total phenolic and flavonoid contents across populations. Among populations, total phenolic content varied between 1.78 and 2.51 mg gallic acid equivalent/g fresh weight (fw) of fruits and total fla...

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 ...

2015
Sarah Adjei-Fremah Mulumebet Worku

Corresponding Author: Sarah Adjei-Fremah Department of Energy and Environmental Systems, North Carolina Agricultural and Technical State University, 1601 E Market Street, 27411, Greensboro, NC., USA Email: [email protected] Abstract: Cowpea is an important grain legume with a dual purpose function as a food and feed resource. Cowpea contains phenolic compounds that are beneficial to huma...

2017
E. Kporou Kouassi I. Coulibaly P. Rodica A. Pintea S. Ouattara

Aims: To analyze phenolic compounds and evaluate antifungal activity of methanolic and ethanolic extract's from Cymbopogon citratus against Fusarium graminearum and Fusarium oxysporum sp tulipae. Study Design: Activity directed antifungal activity, total phenolic compounds determination, total antioxidant determination and High Performance Liquid Chromatography (HPLC) phenolic compounds analysi...

Hadjiakhoondi , A, Khanavi , M, Mahrokh, A, Nabavi , SMB, Sadati , N, Sohrabipour, J ,

Background: Marine algae, especially brown species, produce a wide range of metabolites with various biological activities. Objective: Since marine algae are rich source of dietary fibers, minerals, proteins, vitamins and phenolic components with antioxidant effect, in addition to the rule of oxidative stress in pathogenesis of chronic diseases, the aim of this study was to investigate possib...

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

the essential oil from the aerial parts ofjurinea leptoloba dc., collected from shiraz (south of iran), was investigated for total phenolic content (tpc), antioxidant and cytotoxic effects. tpc of j. leptoloba oil was determined to be 16.53 ± 5.69 μg gallic acid equivalent/mg sample (μg gae/mg oil) using the folin-ciocalteau assay. the ferric reducing power of the oil was determined 0.117 ± 0.0...

Journal: :journal of herbal drugs 0
hakimeh oloumi department of ecology, institute of science and high technology and environmental sciences, graduate university of advanced technology, kerman, iran shahryar shakeri department of biotechnology, institute of science and high technology and environmental sciences, graduate university of advanced technology, kerman, iran majid behzadi agricultural research, education and extension organization, kerman center, kerman, iran

background & aim:extracts of roselle calyx,   possess compounds which could be considered as a great source of natural antioxidants.   in this project, antioxidant activities, phenolic compounds content and their   correlation analysis on calices of roselle (hibiscus sabdariffa) was investigated.  experimental: total polyphenolic compound, flavonoids and anthocyanins were determined spectrophot...

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