Results 21 to 30 of about 10,890,948 (375)

Antioxidant Activity of Some Mongolian Plants [PDF]

open access: yesMongolian 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   +3 more
doaj   +1 more source

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

open access: yesAgritepa, 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

Quantification of the Antioxidant Activity of Plant Extracts: Analysis of Sensitivity and Hierarchization Based on the Method Used

open access: yesAntioxidants, 2020
Plants have a large number of bioactive compounds with high antioxidant activity. Studies for the determination of the antioxidant activity of different plant species could contribute to revealing the value of these species as a source of new antioxidant
N. Chaves   +2 more
semanticscholar   +1 more source

Structure-antioxidant activity relationship of methoxy, phenolic hydroxyl, and carboxylic acid groups of phenolic acids

open access: yesScientific Reports, 2020
The antioxidant activities of 18 typical phenolic acids were investigated using 2, 2′-diphenyl-1-picrylhydrazyl (DPPH) and ferric ion reducing antioxidant power (FRAP) assays.
Jinxiang Chen   +5 more
semanticscholar   +1 more source

Antioxidant activity of propolis

open access: yesPesquisa 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   +4 more
doaj   +1 more source

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

open access: yesMajalah 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   +4 more
doaj   +1 more source

Antioxidant and Antidiabetic Activity of Algae

open access: yesLife, 2022
Currently, algae arouse a growing interest in the pharmaceutical and cosmetic area due to the fact that they have a great diversity of bioactive compounds with the potential for pharmacological, cosmetic, and nutraceutical applications. Many of these bioactive compounds are secondary metabolites whose amounts in the algae vary with varying ...
Atef Mohamed Abo-Shady   +5 more
openaire   +5 more sources

Antioxidant Activity of 3-[N-(Acylhydrazono)ethyl]-4-hydroxy-coumarins

open access: yesMolecules, 2016
A series of 3-acylhydrazono-4-hydroxycoumarins were synthesized via condensation of 3-acetyl-4-hydroxycoumarin with appropriate hydrazides. The structures of the newly-synthesized compounds were characterized by spectral and elememental analysis or HRMS ...
Antigoni Kotali   +5 more
doaj   +1 more source

Antioxidant Activity of Indian Medicinal Rice (Oryza Sativa L.) cv. Njavara [PDF]

open access: yes, 2018
A study was conducted to find out the antioxidant activity of medicinal rice (Oryza sativa L.) cv. Njavara. Two eco types of Njavara rice Njavara black (NB) and Njavara yellow (NY) were procured from RRS, Moncompu and one eco type of Hraswa was obtained
R, R. (Reshmi), V, N. P. (Nandini)
core   +1 more source

Antioxidant Activity of Selected Phenolic Acids–Ferric Reducing Antioxidant Power Assay and QSAR Analysis of the Structural Features

open access: yesMolecules, 2020
Phenolic acids are naturally occurring compounds that are known for their antioxidant and antiradical activity. We present experimental and theoretical studies on the antioxidant potential of the set of 22 phenolic acids with different models of ...
Maciej Spiegel   +6 more
semanticscholar   +1 more source

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