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

Year: 2026

Type: article

Abstract: 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.

Source: Zenodo (CERN European Organization for Nuclear Research)

DOI: 10.5281/zenodo.19532025

Authors: Dadda'u Muhammad*, Abubakar Sani Yelwa, Usman Mustapha, Abdullahi Sahal

Institutions: Ahmadu Bello University, Al-Hikmah University, Usmanu Danfodiyo University

Language: English

Topic: Food and Agricultural Sciences

Subfield: Food Science

Field: Agricultural and Biological Sciences

Domain: Life Sciences

SDG: Zero hunger

Open Access status: green

OpenAlex ID: W7153802135

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