Science Journal of Chemistry

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Spectroscopic Investigation of the Mixture of Ascorbic Acid and Sodium Benzoate

Received: 31 July 2019    Accepted: 20 August 2019    Published: 12 September 2019
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Abstract

UV spectroscopy was employed to understand the possible interaction between ascorbic acid (AA) and sodium benzoate (SB). The absorbance of each of the preservatives was taken singly (285 and 291nm for SB and AA, respectively) and the spectrum of a common drink that contained the two preservatives was recorded. Then the interaction of AA with SB was monitored by varying the concentration of AA in SB, reaction temperature and exposure to sunlight. The peaks of AA and SB disappeared and a new peak emerged at higher wavelength upon addition of AA to SB, suggesting a redshift and incorporation of AA in SB. Sunlight and temperature (≤body temperature) did not cause AA and SB to react or changes in the wavelength of maximum absorbance. Addition of AA into a typical fizzy drink did not result in new peak suggesting AA did not create any new products by its addition to this product, which already contained AA and SB at the recommended level. However, the addition of a higher amount of AA into the fizzy drinks cause a noticeable red shift from 287.5 to 295nm. Thus caution should be taken when taking AA with SB containing products.

DOI 10.11648/j.sjc.20190703.12
Published in Science Journal of Chemistry (Volume 7, Issue 3, June 2019)
Page(s) 62-66
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), 2024. Published by Science Publishing Group

Keywords

Spectroscopy, Ascorbic Acid, Sodium Benzoate, Preservatives, Spectrum, Concentration, Red Shift

References
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[5] Kunkel, EM, Barbara, HD. Gale Nutrition and Well-being A to Z. The Gale Group Inc., Macmilln Refernce USA, New York, 2004.
[6] Abdulmumeen HA, Risikat AN, Sururah AR. Food: its preservatives additives applications. International Journal of Chemical and Biochemical Sciences 2012; 1: 36-47.
[7] CICAD Benzoic acid and sodium benzoate. Concise International Chemical Assessment Document, 2005, 26: 1-46.
[8] Tewari KS, Vishnoi NK. A textbook of Organic Chemistry. VIKAS, 2011.
[9] Gokturk S, Tuncay M. Spectral studies of safranin-O in different surfactant solutions. Spectrochimica Acta Part A 2003; 59: 1857-1866.
[10] Pande S, Ghosh SJ, Nath S, Praharaj S, Jana S, Panigrahi S, Basu S, Pal T. Reduction of methylene blue by thiocyanate: Kinetic and thermodynamic aspects. Journal of Colloid and Interface Science 2006; 299: 421-427.
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Author Information
  • Department of Chemical Sciences, Adekunle Ajasin University, Akungba Akoko, Nigeria

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  • APA Style

    Femi Francis Oloye. (2019). Spectroscopic Investigation of the Mixture of Ascorbic Acid and Sodium Benzoate. Science Journal of Chemistry, 7(3), 62-66. https://doi.org/10.11648/j.sjc.20190703.12

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    ACS Style

    Femi Francis Oloye. Spectroscopic Investigation of the Mixture of Ascorbic Acid and Sodium Benzoate. Sci. J. Chem. 2019, 7(3), 62-66. doi: 10.11648/j.sjc.20190703.12

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    AMA Style

    Femi Francis Oloye. Spectroscopic Investigation of the Mixture of Ascorbic Acid and Sodium Benzoate. Sci J Chem. 2019;7(3):62-66. doi: 10.11648/j.sjc.20190703.12

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  • @article{10.11648/j.sjc.20190703.12,
      author = {Femi Francis Oloye},
      title = {Spectroscopic Investigation of the Mixture of Ascorbic Acid and Sodium Benzoate},
      journal = {Science Journal of Chemistry},
      volume = {7},
      number = {3},
      pages = {62-66},
      doi = {10.11648/j.sjc.20190703.12},
      url = {https://doi.org/10.11648/j.sjc.20190703.12},
      eprint = {https://download.sciencepg.com/pdf/10.11648.j.sjc.20190703.12},
      abstract = {UV spectroscopy was employed to understand the possible interaction between ascorbic acid (AA) and sodium benzoate (SB). The absorbance of each of the preservatives was taken singly (285 and 291nm for SB and AA, respectively) and the spectrum of a common drink that contained the two preservatives was recorded. Then the interaction of AA with SB was monitored by varying the concentration of AA in SB, reaction temperature and exposure to sunlight. The peaks of AA and SB disappeared and a new peak emerged at higher wavelength upon addition of AA to SB, suggesting a redshift and incorporation of AA in SB. Sunlight and temperature (≤body temperature) did not cause AA and SB to react or changes in the wavelength of maximum absorbance. Addition of AA into a typical fizzy drink did not result in new peak suggesting AA did not create any new products by its addition to this product, which already contained AA and SB at the recommended level. However, the addition of a higher amount of AA into the fizzy drinks cause a noticeable red shift from 287.5 to 295nm. Thus caution should be taken when taking AA with SB containing products.},
     year = {2019}
    }
    

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    T1  - Spectroscopic Investigation of the Mixture of Ascorbic Acid and Sodium Benzoate
    AU  - Femi Francis Oloye
    Y1  - 2019/09/12
    PY  - 2019
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    T2  - Science Journal of Chemistry
    JF  - Science Journal of Chemistry
    JO  - Science Journal of Chemistry
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    PB  - Science Publishing Group
    SN  - 2330-099X
    UR  - https://doi.org/10.11648/j.sjc.20190703.12
    AB  - UV spectroscopy was employed to understand the possible interaction between ascorbic acid (AA) and sodium benzoate (SB). The absorbance of each of the preservatives was taken singly (285 and 291nm for SB and AA, respectively) and the spectrum of a common drink that contained the two preservatives was recorded. Then the interaction of AA with SB was monitored by varying the concentration of AA in SB, reaction temperature and exposure to sunlight. The peaks of AA and SB disappeared and a new peak emerged at higher wavelength upon addition of AA to SB, suggesting a redshift and incorporation of AA in SB. Sunlight and temperature (≤body temperature) did not cause AA and SB to react or changes in the wavelength of maximum absorbance. Addition of AA into a typical fizzy drink did not result in new peak suggesting AA did not create any new products by its addition to this product, which already contained AA and SB at the recommended level. However, the addition of a higher amount of AA into the fizzy drinks cause a noticeable red shift from 287.5 to 295nm. Thus caution should be taken when taking AA with SB containing products.
    VL  - 7
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