The daily uptake of food, supplemented with antioxidants shows several health benefits and are advised to take regularly in order to lead a healthy life as well as to avoid so many diseases. However, few natural antioxidants are also generated in human body, but the imbalance between natural antioxidants and free radicals create many health hazards. Hence, synthetic antioxidants can be utilized as health promoters to stop oxidative stress brought on by reactive oxygen species. But the adverse effects of synthetic antioxidants appeal for new natural source of antioxidants. In this regard, microalgae are proved to be the potential source of natural antioxidants. Therefore, an attempt has been taken to study the comparative antioxidant activity of Chlorella sp. JD-2016, Oscillatoria sp. (MK636802) and Desertifilum dzianense (MK634687) isolated from Chilika Lake. Antioxidant activity of the crude extracts from the aforementioned species were conducted by quantifying the total antioxidant activity, DPPH assay, total phenol and total flavonoid content. All the pigments except carotenoids were high in chloroform extract of Desertifilum dzianense, while carotenoid was found to be more in Oscillatoria sp. The reverse results were observed in methanol extract of the algal isolates. Total antioxidant activity was significantly high in the methanolic extract of the three algae in comparison to the chloroform extract. Maximum DPPH radical scavenging activity was observed in both chloroform and methanol extract of Desertifilum dzianense. Phenol content was found to be more in methanol extract of Oscillatoria sp. However, methanol extract of Chlorella sp. depicts the highest amount of flavonoid content in comparison to other species.
| Published in |
American Journal of Science, Engineering and Technology (Volume 11, Issue 4)
This article belongs to the Special Issue Advances in Translational Research, Biotechnology, and Sustainable Bio-Innovations |
| DOI | 10.11648/j.ajset.20261104.24 |
| Page(s) | 356-366 |
| Creative Commons |
This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited. |
| Copyright |
Copyright © The Author(s), 2026. Published by Science Publishing Group |
Antioxidants, Free Radicals, Micro-algae, Pigments, ROS
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APA Style
Majhi, P., Samantaray, S. M., Samal, S. K. (2026). Comparative Study on the Antioxidant Potency of Some Marine Micro-algal Strains. American Journal of Science, Engineering and Technology, 11(4), 356-366. https://doi.org/10.11648/j.ajset.20261104.24
ACS Style
Majhi, P.; Samantaray, S. M.; Samal, S. K. Comparative Study on the Antioxidant Potency of Some Marine Micro-algal Strains. Am. J. Sci. Eng. Technol. 2026, 11(4), 356-366. doi: 10.11648/j.ajset.20261104.24
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Download@article{10.11648/j.ajset.20261104.24,
author = {Pritikrishna Majhi and Saubhagya Manjari Samantaray and Suraj Kumar Samal},
title = {Comparative Study on the Antioxidant Potency of Some Marine Micro-algal Strains},
journal = {American Journal of Science, Engineering and Technology},
volume = {11},
number = {4},
pages = {356-366},
doi = {10.11648/j.ajset.20261104.24},
url = {https://doi.org/10.11648/j.ajset.20261104.24},
eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajset.20261104.24},
abstract = {The daily uptake of food, supplemented with antioxidants shows several health benefits and are advised to take regularly in order to lead a healthy life as well as to avoid so many diseases. However, few natural antioxidants are also generated in human body, but the imbalance between natural antioxidants and free radicals create many health hazards. Hence, synthetic antioxidants can be utilized as health promoters to stop oxidative stress brought on by reactive oxygen species. But the adverse effects of synthetic antioxidants appeal for new natural source of antioxidants. In this regard, microalgae are proved to be the potential source of natural antioxidants. Therefore, an attempt has been taken to study the comparative antioxidant activity of Chlorella sp. JD-2016, Oscillatoria sp. (MK636802) and Desertifilum dzianense (MK634687) isolated from Chilika Lake. Antioxidant activity of the crude extracts from the aforementioned species were conducted by quantifying the total antioxidant activity, DPPH assay, total phenol and total flavonoid content. All the pigments except carotenoids were high in chloroform extract of Desertifilum dzianense, while carotenoid was found to be more in Oscillatoria sp. The reverse results were observed in methanol extract of the algal isolates. Total antioxidant activity was significantly high in the methanolic extract of the three algae in comparison to the chloroform extract. Maximum DPPH radical scavenging activity was observed in both chloroform and methanol extract of Desertifilum dzianense. Phenol content was found to be more in methanol extract of Oscillatoria sp. However, methanol extract of Chlorella sp. depicts the highest amount of flavonoid content in comparison to other species.},
year = {2026}
}
TY - JOUR T1 - Comparative Study on the Antioxidant Potency of Some Marine Micro-algal Strains AU - Pritikrishna Majhi AU - Saubhagya Manjari Samantaray AU - Suraj Kumar Samal Y1 - 2026/10/17 PY - 2026 N1 - https://doi.org/10.11648/j.ajset.20261104.24 DO - 10.11648/j.ajset.20261104.24 T2 - American Journal of Science, Engineering and Technology JF - American Journal of Science, Engineering and Technology JO - American Journal of Science, Engineering and Technology SP - 356 EP - 366 PB - Science Publishing Group SN - 2578-8353 UR - https://doi.org/10.11648/j.ajset.20261104.24 AB - The daily uptake of food, supplemented with antioxidants shows several health benefits and are advised to take regularly in order to lead a healthy life as well as to avoid so many diseases. However, few natural antioxidants are also generated in human body, but the imbalance between natural antioxidants and free radicals create many health hazards. Hence, synthetic antioxidants can be utilized as health promoters to stop oxidative stress brought on by reactive oxygen species. But the adverse effects of synthetic antioxidants appeal for new natural source of antioxidants. In this regard, microalgae are proved to be the potential source of natural antioxidants. Therefore, an attempt has been taken to study the comparative antioxidant activity of Chlorella sp. JD-2016, Oscillatoria sp. (MK636802) and Desertifilum dzianense (MK634687) isolated from Chilika Lake. Antioxidant activity of the crude extracts from the aforementioned species were conducted by quantifying the total antioxidant activity, DPPH assay, total phenol and total flavonoid content. All the pigments except carotenoids were high in chloroform extract of Desertifilum dzianense, while carotenoid was found to be more in Oscillatoria sp. The reverse results were observed in methanol extract of the algal isolates. Total antioxidant activity was significantly high in the methanolic extract of the three algae in comparison to the chloroform extract. Maximum DPPH radical scavenging activity was observed in both chloroform and methanol extract of Desertifilum dzianense. Phenol content was found to be more in methanol extract of Oscillatoria sp. However, methanol extract of Chlorella sp. depicts the highest amount of flavonoid content in comparison to other species. VL - 11 IS - 4 ER -
School of Applied Sciences, Chandigarh University, Lucknow, India
Department of Microbiology, Orissa University of Agriculture and Technology, Bhubaneswar, India
School of Mechanical Sciences, Odisha University of Technology and Research, Bhubaneswar, India
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