نتایج جستجو برای: phenolic antioxidant

تعداد نتایج: 108587  

2012
C. V. Sruthi A. Sindhu

BACKGROUND The five kashayams (kwaths - decoctions) Manjishtadi kashayam (MK), Rasna erandadi kashayam (REK), Sahacharadhi kashayam (SK), Maharasnadi (or Rasna dwiguna bhagam) kashayam (MRK) and Dhanwantharam kashayam (DK) are widely used in the management of diseases manifested due to vitiation of vata and vatarakta (mostly diseases of connective tissues, bones, joints and nervous system). Fre...

Journal: :Food & function 2014
Ricardo Malheiro Patrícia Mendes Fátima Fernandes Nuno Rodrigues Albino Bento José Alberto Pereira

In the present work, the phenolic composition, and antioxidant and antimicrobial properties of twenty-four samples of naturally fermented table olives from the northeast of Portugal were evaluated. The analysis of phenolic composition was performed by HPLC/DAD, and ten compounds were identified, hydroxytyrosol, verbascoside derivate and hydroxytyrosol glycol being the most abundant. Total pheno...

Journal: :Nutrients 2016
Fernanda R Rosa Andréa F Arruda Egle M A Siqueira Sandra F Arruda

This study identified major phenolic compounds of the tucum-do-cerrado (Bactris setosa) peel, as well as antioxidant activity and total phytochemical compound concentration of different extracts of the peel and pulp of this fruit. Phenolic compounds of the different extracts of tucum-do-cerrado peel were identified and quantified using a high-performance liquid chromatography system coupled to ...

Journal: :avicenna journal of phytomedicine 0
faride hesam faculty of food science, islamic azad university, shahreza branch, isfahan, shahreza, i. r. iran gholam reza balali department of potato research biotechnology, university of isfahan, i. r. iran reza taheri tehrani department of potato research biotechnology, university of isfahan, i. r. iran

objectives: potato (solanum tuberosum l.), as a whole food, contains high levels of vitamins and important antioxidants including phenolic acids, carotenoids and flavonoids. the objective of this study was to determine the total phenolic content and antioxidant activities of three common potatoes (solanum tuberosum) cultivars in iran i.e., savalan, agria and sante. materials and methods: phenol...

Journal: :Molecules 2009
Xican Li Xiaoting Wu Ling Huang

Radix Angelicae Sinensisis (RAS) is one of the most popular traditional Chinese herbal medicines. In the present study, six RAS extracts (i.e., phenolic extract PE, petroleum ether extract PEE, ethyl acetate extract EAE, absolute ethanol extract AEE, 95% ethanol extract 95 EE, and water extract WE) were prepared and their antioxidant activities measured by DPPH (1,1-diphenyl-2-picrylhydrazyl ra...

Journal: :Molecules 2012
Lei Jin Yanlong Zhang Linmao Yan Yulong Guo Lixin Niu

Lily (Lilium) is used as an important edible and medical plant species with a vague taxonomic classification and a long history in China. Bulbs of six Lilium species (L. regale, L. concolor, L. pumilum, L. leucanthum, L. davidii var. unicolor and L. lancifolium) native to China were investigated with a view to their exploitation as a potential source of natural antioxidants due to their phenoli...

2013
Ye-Ji Lee Muthu Thiruvengadam Ill-Min Chung Praveen Nagella

The aim of this work was to establish the antioxidant capacity and the polyphenolic profile of Artemisia absinthium that could potentially be used in the human diet. An ultra-high performance liquid chromatographic method was used to identify and quantify individual phenolic compounds of the A. absinthium leaves. A total of 20 polyphenolic compounds were identified and quantified in A. absinthi...

Journal: :Molecules 2018
Shabnam Sepahpour Jinap Selamat Mohd Yazid Abdul Manap Alfi Khatib Ahmad Faizal Abdull Razis

This study evaluated the efficacy of various organic solvents (80% acetone, 80% ethanol, 80% methanol) and distilled water for extracting antioxidant phenolic compounds from turmeric, curry leaf, torch ginger and lemon grass extracts. They were analyzed regarding the total phenol and flavonoid contents, antioxidant activity and concentration of some phenolic compounds. Antioxidant activity was ...

Journal: :iranian journal of pharmaceutical research 0
tayyebe hatami 1-novel drug delivery research center, school of pharmacy, kermanshah university of medical sciences, kermanshah, i.r. iran. 2-student research committee, kermanshah university of medical science, kermanshah, i.r. iran. sayyed ahmad emami department of pharmacognosy, school of pharmacy, mashhad university of medical sciences, mashhad, i.r. iran. sayyed shahram miraghaee novel drug delivery research center, school of pharmacy, kermanshah university of medical sciences, kermanshah, i.r. iran mahdi mojarrab novel drug delivery research center, school of pharmacy, kermanshah university of medical sciences, kermanshah, i.r. iran.

total phenolic contents (tpc) of five different extracts (petroleum ether, dichloromethane, ethyl acetate, ethanol and ethanol-water) of artemisia biennis willd were measured in this work. the antioxidant activity was investigated by three different methods: β-carotene bleaching (bcb) test, 2,2-diphenyl-1-picrylhydrazyl (dpph) radical scavenging method and ferrous ion chelating (fic) assay. amo...

2015
Zahra Sadeghi Jafar Valizadeh Omid Azyzian Shermeh Maryam Akaberi

OBJECTIVE Boerhaavia elegans L. (Nyctaginaceae) is a medicinal plant used for the treatment of kidney disorders, urinary tract disorders and blood purification in Baluch tribe. The aim of present study is to evaluate the antioxidant property of B. elegans species for the first time. MATERIALS AND METHODS Different parts (leaf, stem and fruit) of the plant were extracted by using various solve...

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