Physico-chemical characterization of cashew apple (Anacardium occidentale L.) from Benin: cultivars and agro-ecological zone effects

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Research Paper 07/02/2023
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Physico-chemical characterization of cashew apple (Anacardium occidentale L.) from Benin: cultivars and agro-ecological zone effects

Emmanuelle S.C.A. Dèdéhou Attemba, Joseph Dossou, Mohamed M. Soumanou
Int. J. Biosci.22( 2), 92-101, February 2023.
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The present study aimed to determine the physicochemical characteristics of cashew apple juice. The juice was produced using apples of two colors (red and yellow) harvested from two cultivars of cashew tree plantations located at two differents agro-ecological zones (AEZ) of Benin. Their physicochemical parameters were determined. Results showed that dry matter, pH, total soluble solids (TSS), and total titrable acidity (TTA) of juice samples varied from 7.4 to 11.4 %, 4.1 to 4.7,10.7 to 14.5 °Brix, 0.6 to 1.7%, respectively. Vitamin C content varied between 224 and 327 mg/100 ml; total phenols ranged from 1960 to 4785 mg/L; condensed tannins from 58 to 510 (mg Eq Catechin/100 ml); antioxidant capacity varied between 58.3 and 90.8 5 (% DPPH inhibition). Concentrations of glucose, fructose, raffinose, and saccharose varied between 17.3 to 34.6, 31.6 to 65.5, 1 to 2.4 and 0.0 to 1.6, respectively. Except for fructose, sugars were neither significantly (P<0.05) influenced by apple colors nor by cultivars or AEZ. Malic acid, acetic acid, citric acid, and oxalic acid contents ranged from 55.3 to 108.5, 33.2 to 6.9, 1.9 to 12.5, and 2.4 to 7.7, respectively. Citric, malic and acetic acids were significantly (P<0.05) influenced by apple colors, while oxalic acid of juice was significantly (P<0.05) influenced by AEZ. The main minerals, potassium, phosphorus, magnesium, and sodium levels varied from 930.5 to 1176.3,86.7 to 136.1,79.7 to 89.6,58.7 to 86.32, respectively. They were neither significantly (P<0.05) influenced by cultivar nor by AEZ. The ACP analysis clustered the juice into three homogenous groups.


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