Optimization of Roasting Conditions for Preservation of Nutritional Quality of Terminalia catappa Almonds by Response Surface Methodology

Kowiou Aboudou, Sènan Vodouhe-egueh, Midimahu Vahid Aissi and Mohamed Mansourou Soumanou

Journal of Food Studies, 2020, vol. 9, issue 1, 61

Abstract: The optimal roasting conditions (temperature and time) of Terminalia catappa (TC) almonds allowing to preserve the nutritional quality of their almonds and oils were investigated. The almonds roasted at different temperature (80-120 °C) for various time (30-60 min) using response surface methodology and oils extracted were analyzed. Effect of temperature and time on antinutritional factors and the nutritional quality of almonds and oils was evaluated then the optimum roasting conditions was determined. Results showed that oxalates, tannins and phytates contents of roasted almonds were significantly (P<0.05) influenced by the temperature and time. Roasting had a significant effect on oxidative stability and some quality index of oils. The optimal roasting conditions for reduction of antinutritional factors in almonds were 89.91 °C and 60 min with 70.37% as desirability. However, the results indicate that TC almond could be used in several areas of the food industries.

Date: 2020
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