Determination of Nutritional Composition and Selected Phytochemical and Anti-nutrient Content of Vitex payos (Chocolate Berry), a Neglected and Underutilized Fruit from Two Kenyan Counties

Cyrus Karanja¹, Samuel Imathiu^1, , Ojijo Nelson KO¹ and William Thari²

¹Department of Food Science and Technology, Jomo Kenyatta University of Agriculture and Technology, Nairobi, Kenya

²Kenya Industrial Research and Development Institute, Nairobi, Kenya

Cite this paper

Cyrus Karanja, Samuel Imathiu, Ojijo Nelson KO and William Thari. Determination of Nutritional Composition and Selected Phytochemical and Anti-nutrient Content of Vitex payos (Chocolate Berry), a Neglected and Underutilized Fruit from Two Kenyan Counties. Journal of Food Security. 2022; 10(2):44-52. doi: 10.12691/JFS-10-2-1

Abstract

Indigenous fruits, which are usually underutilized, play an important role in food and nutrition security especially in developing countries. Vitex payos fruit (chocolate berry) is one such example which is currently gaining popularity in arid and semi-arid parts of Kenya. Fruits of V. payos were collected from three wards in each of the two Counties (Kitui and Tharaka-Nithi). A composite sample from each County was obtained by mixing the three ward samples in a ratio of 1:1:1. Standard analytical methods were used in the determination of the physicochemical composition of the fruit samples. Apart from crude fat and protein, significant differences (P<0.05) were observed in other fruit sample parameters between the two Counties. Potassium and calcium contents were significantly higher (P˂0.05) in Kitui compared to Tharaka-Nithi County samples, while phosphorous was significantly lower (P˂0.05) in the latter than in the former County samples. Niacin, pyridoxine and ascorbic acid were significantly higher (P˂0.05) in Kitui than in Tharaka-Nithi County samples while thiamin was not detected in both County samples. All phytochemicals and anti-nutrients determined were significantly higher (P<0.05) in Kitui than in Tharaka-Nithi County samples. The results from this study indicate that V. payos is a good source of nutrients whose concentration may be region-dependent. Nutrient concentration of V. payos is comparable to most fruits. Its potassium, dietary fiber and total flavonoid content are particularly higher than in most of the common fruits.

Keywords

anti-nutrients, chocolate berry, indigenous fruits, nutritional content, phytochemicals, Vitex payos

Copyright

This work is licensed under a Creative Commons Attribution 4.0 International License. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/

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