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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…
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,…
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…
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…
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…
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…
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…
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…
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…