Results 11 to 20 of about 717,691 (315)

Antimutagenic and antioxidant activity of novel 4-substituted phenyl-2,2'-bichalcophenes and aza-analogs

Drug Design, Development and Therapy, 2013
Wael M El-Sayed,1,2 Warda A Hussin31King Faisal University, Faculty of Science, Departments of Biological Sciences and Chemistry, Al-Hufof, Ahsa, Kingdom of Saudi Arabia; 2University of Ain Shams, Faculty of Science, Department of Zoology, Cairo, Egypt ...
El-Sayed WM, Hussin WA
doaj   +1 more source

Antioxidant activity of nanomaterials [PDF]

Journal of Materials Chemistry B, 2018
In this review, the main families of nanoantioxidants and the chemical methods used to measure their antioxidant activity are reported.
Valgimigli, Luca, Baschieri, Andrea, Amorati, Riccardo   +2 more
openaire   +4 more sources

Peptide Inhibitor of Complement C1 (PIC1) demonstrates antioxidant activity via single electron transport (SET) and hydrogen atom transfer (HAT). [PDF]

PLoS ONE, 2018
Reactive oxygen species (ROS) are natural byproducts of oxidative respiration that are toxic to organs and tissues. To mitigate ROS damage, organisms have evolved a variety of antioxidant systems to counteract these harmful molecules, however in certain ...
Magdielis Gregory Rivera, Pamela S Hair, Kenji M Cunnion, Neel K Krishna   +3 more
doaj   +1 more source

Formulation and Antioxidant Activity Test of Rice Bran Extract Cream from Two Varieties of White Rice

Majalah Obat Tradisional, 2023
Rice bran extract contains high antioxidant compounds. Formulation and antioxidant activity testing of cream preparations containing rice bran extract has been carried out.
Wira Noviana Suhery, Hayu Lestari, Armon Fernando, Fina Aryani, Gressy Novita   +4 more
doaj   +1 more source

Determination of the best method for processing gambier liquid by-product [Uncaria gambir (hunter) roxb] as natural antioxidant sources

Journal of the Indonesian Tropical Animal Agriculture, 2021
The study was conducted to determine the best gambier liquid by-product (GLB) processing methods based on antioxidant activity as natural antioxidant sources.
A. S. Ismail, Y. Rizal, A. Armenia, A. Kasim   +3 more
doaj   +1 more source

Antioxidant Activity of Some Mongolian Plants [PDF]

Mongolian Journal of Biological Sciences, 2014
Antioxidant agents reactive oxygen species can be used for several cosmetic and medical applications. The goal of our study was to evaluate the antioxidant activity of 69 plant samples of 68 species belonging to 55 genera and 25 families ...
Oyungerel Shagjjav, Hari Datta Bhattarai, Joung Han Yim, Purev Dondog   +3 more
doaj   +1 more source

Antioxidant activity of propolis

Pesquisa Agropecuária Tropical, 2014
Propolis is a resinous substance collected by bees from many parts of plants and mixed with wax, pollen and salivary secretions. Its composition is complex and closely related to the vegetation features of each region.
Adriane Alexandre Machado De-Melo, Adriana Hitomi Matsuda, Alex da Silva de Freitas, Ortrud Monika Barth, Ligia Bicudo de Almeida-Muradian   +4 more
doaj   +1 more source

Differences In the Antioxidant Activity of Sungkai Leaf Extract Using Methanol And Aquades Solvents

Agritepa, 2023
The antioxidant activity of natural product extracts is influenced by the type of solvent that plays an active role in binding secondary metabolites such as saponins and flavonoids. Sungkai leaves (Peronema canescens Jack) are plants that have been shown
Dira Irnameria, Yenni Okfrianti
doaj   +1 more source

Comparison of different methods for extraction from Tetraclinis articulata: Yield, chemical composition and antioxidant activity [PDF]

, 2013
In the present study, three techniques of extraction: hydrodistillation (HD), solvent extraction (conventional ‘Soxhlet’ technique) and an innovative technique, i.e., the supercritical fluid extraction (SFE), were applied to ground Tetraclinis articulata
Romdhane, Mehrez, Herzi, Nejia, Bouajila, Jalloul, Camy, Séverine, Condoret, Jean-Stéphane   +4 more
core   +1 more source

Effects of Key Components on the Antioxidant Activity of Black Tea

Foods, 2023
Many components (such as tea polyphenols, catechins, theaflavins, theasinensins, thearubigins, flavonoids, gallic acid, etc.) in black tea have antioxidant activities.
Weiwei Wang, Ting Le, Wei Wang, Luting Yu, Lijuan Yang, Heyuan Jiang   +5 more
doaj   +1 more source