Anti-Microbial Potential of Onion Peel Extracts

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Year : 2025 | Volume : 15 | Issue : 03 | Page :
    By

    Aanchal Maurya,

  • Gaurav Mishra,

  • Ritika Gupta,

Abstract

Onion (Allium cepa L.) is a source of bioactive compounds, particularly flavonoids such as quercetin, and possesses antioxidant and beneficial properties to health. Onion skin, which is normally considered as waste, has more of these compounds compared to the edible portion. This research sought to isolate and analyze the antioxidant and antimicrobial activity of onion skin with ethanol and hexane using Soxhlet and column chromatography techniques. Antioxidant activity was maximum with 80% ethanol for shorter extraction times. While antimicrobial activity was restricted, the extracts improved the antioxidant activity and shelf life of food items such as bread and olive oil. These findings indicate that onion skin can be a useful, eco-friendly component of functional foods, promoting both nutrition and peel minimization.

Keywords: Onion (Allium cepa L.), antioxidant, Isorhamnetin, Column Chromatography, Staphylococcus aureus.

[This article belongs to Research and Reviews : A Journal of Biotechnology ]

How to cite this article:
Aanchal Maurya, Gaurav Mishra, Ritika Gupta. Anti-Microbial Potential of Onion Peel Extracts. Research and Reviews : A Journal of Biotechnology. 2025; 15(03):-.
How to cite this URL:
Aanchal Maurya, Gaurav Mishra, Ritika Gupta. Anti-Microbial Potential of Onion Peel Extracts. Research and Reviews : A Journal of Biotechnology. 2025; 15(03):-. Available from: https://journals.stmjournals.com/rrjobt/article=2025/view=216528


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Regular Issue Subscription Original Research
Volume 15
Issue 03
Received 17/06/2025
Accepted 07/07/2025
Published 09/07/2025
Publication Time 22 Days
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