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

Received: 28 July 2015     Accepted: 8 August 2015     Published: 26 August 2015
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Abstract

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.

Published in American Journal of Applied Chemistry (Volume 3, Issue 5)
DOI 10.11648/j.ajac.20150305.11
Page(s) 158-163
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), 2015. Published by Science Publishing Group

Keywords

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

References
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Cite This Article
  • 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

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    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

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    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

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  • @article{10.11648/j.ajac.20150305.11,
      author = {Shadrack Donkor and Akwasi Akomeah Agyekum and Felicia Akuamoa and Nana Afua Kobi Adu-Bobi and Daniel Gyingiri Achel and Isaac Kwabena Asare and Josephine Kyei},
      title = {Antioxidant Potentials of Tomato Paste Extracts Found on Major Markets in Accra Metropolis},
      journal = {American Journal of Applied Chemistry},
      volume = {3},
      number = {5},
      pages = {158-163},
      doi = {10.11648/j.ajac.20150305.11},
      url = {https://doi.org/10.11648/j.ajac.20150305.11},
      eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajac.20150305.11},
      abstract = {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.},
     year = {2015}
    }
    

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  • TY  - JOUR
    T1  - Antioxidant Potentials of Tomato Paste Extracts Found on Major Markets in Accra Metropolis
    AU  - Shadrack Donkor
    AU  - Akwasi Akomeah Agyekum
    AU  - Felicia Akuamoa
    AU  - Nana Afua Kobi Adu-Bobi
    AU  - Daniel Gyingiri Achel
    AU  - Isaac Kwabena Asare
    AU  - Josephine Kyei
    Y1  - 2015/08/26
    PY  - 2015
    N1  - https://doi.org/10.11648/j.ajac.20150305.11
    DO  - 10.11648/j.ajac.20150305.11
    T2  - American Journal of Applied Chemistry
    JF  - American Journal of Applied Chemistry
    JO  - American Journal of Applied Chemistry
    SP  - 158
    EP  - 163
    PB  - Science Publishing Group
    SN  - 2330-8745
    UR  - https://doi.org/10.11648/j.ajac.20150305.11
    AB  - 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.
    VL  - 3
    IS  - 5
    ER  - 

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Author Information
  • Applied Radiation Biology Centre, Radiological and Medical Sciences Research Institute, Ghana Atomic Energy Commission, Legon, Accra, Ghana

  • Applied Radiation Biology Centre, Radiological and Medical Sciences Research Institute, Ghana Atomic Energy Commission, Legon, Accra, Ghana

  • Applied Radiation Biology Centre, Radiological and Medical Sciences Research Institute, Ghana Atomic Energy Commission, Legon, Accra, Ghana

  • Applied Radiation Biology Centre, Radiological and Medical Sciences Research Institute, Ghana Atomic Energy Commission, Legon, Accra, Ghana

  • Applied Radiation Biology Centre, Radiological and Medical Sciences Research Institute, Ghana Atomic Energy Commission, Legon, Accra, Ghana

  • Radiation Technology Centre, Biotechnology and Nuclear Agriculture Research Institute, Ghana Atomic Energy Commission, Legon, Accra, Ghana

  • V Mane Fils Ghana Limited, East Legon, Accra, Ghana

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