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ISSN: 2155-9600

Journal of Nutrition & Food Sciences
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Research Article

Phenolic Content and Antioxidant Capacity of Selected Cucurbit Fruits Extracted with Different Solvents

Jyotsana Singh1*, Vinti Singh1, Surabhi Shukla1and Awadhesh K Rai2

1Centre of Food technology, Institute of Professional Studies, University of Allahabad, Allahabad, Uttar Pradesh, India

2Department of Physics, University of Allahabad, Allahabad, Uttar Pradesh, India

Corresponding Author:
Jyotsana Singh
Centre of Food technology
Institute of Professional Studies
University of Allahabad
Allahabad, Uttar Pradesh, India
Tel: +91-9450058842
E-mail: [email protected]

Received Date: October 16, 2016; Accepted Date: November 10, 2016; Published Date: November 14, 2016

Citation: Singh J, Singh V, Shukla S, Rai AK (2016) Phenolic Content and Antioxidant Capacity of Selected Cucurbit Fruits Extracted with Different Solvents. J Nutr Food Sci 6:565. doi: 10.4172/2155-9600.1000565

Copyright: © 2016 Singh J, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Abstract

Cucurbits are major economically important species of plants; particularly those with edible fruits having nutritional significance. The present work was to investigate the polyphenolic content and antioxidant capacity of peels and pulps of four cucurbit fruits, namely pumpkin, ash gourd, watermelon and muskmelon. The solvent systems used were methanol, ethanol and acetone at three different concentrations in distilled water (50, 70, and 100%) and 100% distilled water. The extracts were analyzed for their total phenolic content, total flavonoid content and antioxidant activities using Ferric Reducing Antioxidant Power assay (FRAP assay), DPPH free radical-scavenging assay and ABTS radical scavenging capacity. The result showed that the highest extraction was by 50% acetone in case of peels and 50% ethanol in case of pulp. The best solvent was 50% acetone as it gave highest yield as well as showed highest correlation between various assays. The polyphenolic content and the antioxidant activity were high in peels than pulps. The muskmelon fruit extracts (peel and pulp) showed highest antioxidant activity. High polyphenolic content showed significant correlation with high antioxidant activity. The result indicated that these cucurbit fruit are good source of natural antioxidants which can be utilized as an ingredient to functional foods.

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