Search results for “antioxidant”

About 23 results in articles

Open Access Pub publishes peer-reviewed, free-to-read open-access articles. Showing articles matching antioxidant — open any to read the full text, or download the PDF or XML.

Identification of Antioxidant Activity of Medicinal Plant Extracts Through a Modified and Rapid ABTS Colorimetric Assay

Nov 2026 DOI 10.14302/issn.2471-2140.jaa-26-6462
Anthony L. NewsomeCorresponding author

The consumption of antioxidant rich plants is a common human activity. Therefore, easily used, time efficient and effective antioxidant assays of plants consumed by humans are of increasing importance. The ABTS [2,2’-azinobis-(3-ethtlbenzothiazoline-6-sulfonic acid)] cation radical is commonly used…

Evaluation and Comparision of Total Phenolics, Total Flavonoids and Antioxidant Activity of A. Mexicana Aerial Parts in Different Solvents

Apr 2023 DOI 10.14302/issn.2471-2140.jaa-22-4251
Sachin KumariCorresponding author

The study's goal was to determine the total phenolics, total flavonoids, and antioxidant activity of A. mexicana aerial parts. Extracts were prepared using different solvents namely n-hexane, ethyl acetate, acetone, methanol, and water on basis of increasing polarity using soxhlet appratus. Aqueous…

Effect of Solvent pH on Antioxidant and Phytochemical Activities of Mulhatti Aerial Parts (Glycyrrhiza glabra L.)

Dec 2021 DOI 10.14302/issn.2471-2140.jaa-21-4027
Sushila SinghCorresponding author

Medicinal plants have been used since the era of Vedic history for their health care system where herbal medicine has a long history of use. It is also a very popular medicinal plant belonging to the Leguminosae family and is commonly known as Mulhatti. It contains phytochemicals such as flavonoids,…

Effect of pH on Phytochemical and Antioxidant Potential of Satawar Tubers (Asparagus Racemosus Willd.)

Nov 2021 DOI 10.14302/issn.2471-2140.jaa-21-3996
Sushila SinghCorresponding author

Plants are an important source of medicines since ancient times. The traditional system medicine’s use a variety of native plants to diagnose, prevent, and eliminate acute and chronic diseases.Asparagus racemosus(Willd.), also have been widely used for medicinal purpose and its extensively distribut…

Antioxidant Activity of Pod Coat Extracts of Pigeon Pea (Cajanus Cajan L.) and Their Efficacy in Stabilization of Soybean Oil

Oct 2021 DOI 10.14302/issn.2471-2140.jaa-21-3960
Sushila SinghCorresponding author

When lipids are exposed to heat, light and oxygen, it leads to oxidation. The addition of antioxidants is required to preserve colour, flavour and vitamin destruction. Present study was, therefore, planned to investigate pod coat of pigeon pea as possible sources of natural antioxidants and to asses…

Antioxidant Activity of Biofield Treated Proprietary Test Formulation Supplemented with Vitamins and Minerals in Vitamin D3 Deficiency Diet (VDD) Induced Sprague Dawley Rats

Mar 2021 DOI 10.14302/issn.2471-2140.jaa-21-3747
Snehasis JanaCorresponding author

A proprietary formulation was designed that consisted minerals (zinc, magnesium, iron, calcium, selenium, and copper), vitamins (pyridoxine HCl, cyanocobalamin, ascorbic acid, and cholecalciferol), Panax ginseng extract, and cannabidiol isolate. The study was aimed to assess the potential of the nov…

Antioxidant Activity of Surinamese Medicinal Plants with Adaptogenic Properties and Correlation with Total Phenolic Contents

Jul 2020 DOI 10.14302/issn.2471-2140.jaa-20-3478
Dennis R.A. MansCorresponding author

Plant-based preparations are commonly used in Suriname (South America) as adaptogens. In this study, fifteen alleged adaptogenic Surinamese plants have been assessed for their antioxidant activity (AA), total phenolic contents (TPC), and total flavonoid contents (TFC). The investigated plants were A…

Antioxidant Properties of Red and Yellow Varieties of Cashew Apple, Nut and Husk (AnacardiumOccidentaleL.) Harvested in Mexico

Jun 2019 DOI 10.14302/issn.2471-2140.jaa-19-2747
M. S. López-CortezCorresponding author

Numerous studies have reported the health benefits of consuming fruits and vegetables that contain antioxidant properties. Within the group of fruits considered exotic, some are accessible and only consumed in their place of origin, such as soursop, noni, kiwi, pitahaya, and others. Anacardiumoccide…

Antioxidant Protection of Donor Packed Red Blood Cells using Mexidol

Sep 2018 DOI 10.14302/issn.2471-2140.jaa-18-2283
D.V. GavryuchenkovCorresponding author First Moscow State Medical University Named after I.M. Sechenov, Department of Life Safety and Emergency Disasters Medicine, Moscow, Russia.

The current research shows the possibility of long-term conservation of the erythrocytes an-tioxidant activity in the process of donor packed red blood cells while introducing mexidol to the hemoconservant glugicir composition.

Investigation on Phytochemical and Antioxidant Activity of the Plant Murraya koenigii Linn (Curry leaf) in Rajshahi, Bangladesh

Sep 2017 DOI 10.14302/issn.2471-2140.jaa-17-1728
Md. Badrul IslamCorresponding author

The use of herbal medicine is becoming popular day by day due to toxicity and side effects of allopathic medicines. Considering the medicinal importance of the plant Murraya koenigii Linn (Curry leaf), the antioxidant activity (AC), total phenolic content (TPC), total flavonoid content (TFC), of dif…

The antioxidant and hepatoprotective activities of two tea polysaccharides

Aug 2017 DOI 10.14302/issn.2471-2140.jaa-17-1541
Zhi YuCorresponding author

In the present study, we investigated the chemical compositions, in vitro antioxidant and in vivo hepatoprotective activities of two tea polysaccharides (TPS), which were extracted from two different tea cultivars, Yingshuang (Camellia Senesis, T01) and Yunnan Dayezhong (Camellia Senesis, T09). Comp…

Methionine and Antioxidant Potential

Dec 2016 DOI 10.14302/issn.2471-2140.jaa-16-1378
Jie YinCorresponding author

Methionine (Met) is a nutritionally essential amino acid and has been widely demonstrated to improve cellular oxidative balance and mediate oxidative stress. Met targets reactive oxygen species (ROS) directly by being oxidized to Met sulfoxide (MetO) 1. Met can be metabolized to cysteine (Cys) throu…

New Antioxidant Flavonoids from the Aerial Parts of Secamone Afzelii

Feb 2016 DOI 10.14302/issn.2471-2140.jaa-15-887
Abdulmagid Alabdul MagidCorresponding author

A bioassay-guided fractionation of petroleum ether, EtOAc and n-BuOH soluble parts of the 80% hydromethanol extract was performed to investigate the antioxidant activity of Secamoneafzeliiaerial parts using DPPH free radical scavenging assay. The results revealed that EtOAc and n-BuOH soluble parts…

The Total Antioxidant Capacity of Foods: A Reappraisal. Application to Commercial Orange Juices

Dec 2015 DOI 10.14302/issn.2471-2140.jaa-15-715
Claire KeversCorresponding author

Since a few years, more and more attention has been specifically given to dietary antioxidants as agents promoting health and preventing the incidence of diseases. As part of these efforts, analytical methods and assays have been developed to measure the antioxidant content in food substances. In th…

Induction of Antioxidant Capacity and Hydroxymethylfurfural Content Variations by Modifications of Cooked Fruit Processing.

Dec 2015 DOI 10.14302/issn.2471-2140.jaa-15-797
Claire KeversCorresponding author

Liège syrup is a Belgian traditional cooked fruit foodstuff, produced mainly from apples and pears. The process includes several hours of heating at high temperature during which complex chemical reactions occur, such as Maillard condensation between reducing sugars and amino acids. Aiming at unders…

Comparison of Two Analytical Methods used for the Measurement of Total Antioxidant Status

Jun 2015 DOI 10.14302/issn.2471-2140.jaa-14-617
P.V.L.N. Srinivasa RaoCorresponding author

Background: Antioxidants play an important role in maintenance of human health and prevention of disease. Effective supplementation of antioxidants requires laboratory monitoring of antioxidant status. An understanding of the methods used to determine the TAS helps in better interpretation of values…

The Potentials of Antioxidant Micronutrients in the Management of Metabolic Syndrome

Oct 2014 DOI 10.14302/issn.2471-2140.jaa-14-423
L.S. BilbisCorresponding author

There is increasing evidence of the prevalence manifestations of metabolic syndrome worldwide. Metabolic syndrome is a cluster of abnormalities characterized by hypertension, central obesity, insulin resistance, endothelial dysfunction, dyslipidemia and oxidative stress. All these alterations predis…

Production of dried tomato powder with a high concentration of functional components and nutrients

Mar 2023 DOI 10.14302/issn.2471-2140.jaa-23-4426
Mitsuru SasakiCorresponding author

The use of conventional drying methods for dehydrating vegetables and fruits with high sugar, amino acid, and moisture content is not feasible. Under extreme conditions, drying reduces the amount of functional ingredients present in these vegetables and fruits. Recently, there has been an increasing…

Ozone/Oxygen Molecules Exert Mild Oxidative Stress on Testis Mitochondria Isolated from the Rat Testicular Ischemia/Reperfusion Injury

Jun 2022 DOI 10.14302/issn.2471-2140.jaa-21-3911
Morteza IzadiCorresponding author

Testicular ischemia-reperfusion injury is an urgent situation which needs a timely and precise diagnosis for prevention of testis damages. Here in we investigated ozone/oxygen therapy in Testicular Ischemia/Reperfusion Injury. For this purpose, animals (rats) were divided to four groups; control, to…

Evaluation of Antioxidative Potential of the Biofield Energy Treated Proprietary Test Formulation on L-NAME and High Fat Diet-Induced Cardiovascular Disorders in Sprague Dawley Rats

Jul 2021 DOI 10.14302/issn.2471-2140.jaa-21-3864
Jana SnehasisCorresponding author Trivedi Science Research Laboratory Pvt. Ltd., Thane (W), Maharashtra, India.

The aim of this experiment was to assess the antioxidative potential of the Biofield Energy Treated/Blessed Proprietary Test Formulation and Biofield Energy Treatment/Blessing per se to the animals on NG-nitro-L-arginine methyl ester hydrochloride (L-NAME) and high fat diet (HFD)-induced cardiovascu…

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