Journal of Contemporary Academic Research and Methodologies (JCARM)
Published April 10, 2026 | Version v1
Journal article Open

Comparative Determination of Ascorbic Acid Content in Two Cashew Apple Varieties Using Iodometric and Dye Titration Methods

Authors/Creators

  • 1. 1Department of Chemical and Geological Sciences, Alhikmah University, P.M.B. 1601, Ilorin, Kwara State, Nigeria. https://orchid.org/0009-0003-6233-8250 2Department of Energy and Applied Chemistry, Usman Danfodiyo University, P.M.B. 2346, Sokoto, Sokoto State, Nigeria. 3Department of Chemistry, Faculty of Physical Sciences, Ahmadu Bello University, Zaria, Kaduna State, Nigeria. 4Department of Science Laboratory Technology, School of Applied Sciences, Nuhu Bamalli Polytechnic, Zaria, Kaduna State, Nigeria.

Description

This study comparatively evaluated the ascorbic acid (vitamin C) content of two varieties of cashew apples; red (RCA) and yellow (YCA), as well as their 1:1 blend (RYCAB).. The analysis was carried out using iodometric and dye titration methods. Results from iodometric titration showed that YCA contained the highest vitamin C content (203 mg/100 g), followed by RYCAB (194 mg/100 g) and the RCA (185 mg/100 g). Similarly, the dye titration results indicated higher ascorbic acid levels in YCA (225 mg/100 g), followed by the RCA (206 mg/100 g), while the blend exhibited the lowest value (196 mg/100 g). Only slight variations were observed between the two analytical methods. Overall, the findings demonstrate that both cashew apple varieties are rich sources of vitamin C, with the yellow variety exhibiting comparatively higher concentrations, making them valuable for nutritional and health benefits.

Notes

Copyright © 2026 by the authors. | Repository URL: https://journal.jcarm.in/index.php/home/issue/archive | Development Status: Active

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References

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  • © 2026 by the authors. Submitted for possible open access publication under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by-nc-sa/4.0/).