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Antioxidant Potentials of Tomato Paste Extracts Found on Major Markets in Accra Metropolis

The harmful effects of the free radicals on humans could be inhibited by antioxidants in fruits and vegetables. Tomato contains several antioxidants such as phenolic compounds and flavonoids. Consumption of tomatoes has been related epidemiologically to a lower incidence of cardiovascular diseases, prostate, gastrointestinal and epithelial cell cancers. In this study ten different brands of canned tomato pastes on the Ghanaian market were evaluated for their antioxidant potentials based on their polyphenolic and flavonoid contents as well as DPPH free radical scavenging activities. The amount of total phenolic compounds extracted were determined using the Folin-Ciocalteu reagent. Total flavonoid content was determined using aluminum chloride colorimetric assay method. The antioxidant activities were evaluated using the DPPH scavenging activity. Total phenolic and flavonoid contents ranged from 6.26 mg GAE/gdw to 22.82 mg GAE/gdw and between 1.83 μg QE/gdw to 45.26μg QE/gdw respectively. DPPH scavenging activity ranged from 8.03% to 29.69%. High and significant correlations existed between antioxidant activities, total phenolic and flavonoid contents of tomato paste samples analysed indicating these pastes are potentially rich sources of dietary polyphenolic compounds and antioxidants, and might contribute important health benefits to consumers.

Antioxidant Activity, Total Phenolics, Total Flavonoids, Tomato Pastes, Health Benefits

APA Style

Shadrack Donkor, Akwasi Akomeah Agyekum, Felicia Akuamoa, Nana Afua Kobi Adu-Bobi, Daniel Gyingiri Achel, et al. (2015). Antioxidant Potentials of Tomato Paste Extracts Found on Major Markets in Accra Metropolis. American Journal of Applied Chemistry, 3(5), 158-163. https://doi.org/10.11648/j.ajac.20150305.11

ACS Style

Shadrack Donkor; Akwasi Akomeah Agyekum; Felicia Akuamoa; Nana Afua Kobi Adu-Bobi; Daniel Gyingiri Achel, et al. Antioxidant Potentials of Tomato Paste Extracts Found on Major Markets in Accra Metropolis. Am. J. Appl. Chem. 2015, 3(5), 158-163. doi: 10.11648/j.ajac.20150305.11

AMA Style

Shadrack Donkor, Akwasi Akomeah Agyekum, Felicia Akuamoa, Nana Afua Kobi Adu-Bobi, Daniel Gyingiri Achel, et al. Antioxidant Potentials of Tomato Paste Extracts Found on Major Markets in Accra Metropolis. Am J Appl Chem. 2015;3(5):158-163. doi: 10.11648/j.ajac.20150305.11

Copyright © 2015 Authors retain the copyright of this article.
This article is an open access article distributed under the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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