Determination of Optimal Roasting Conditions for the Production of Gabou

Maman M. Rabiou, Chaibou Yaou, Mamadou Lewamy, Idrissa Moussa, Haoua Sabo and Hassimi Sadou

Journal of Food Research, 2019, vol. 8, issue 5

Abstract: Gabou is a traditional onion-based spice commonly used in Niger. It is prepared in a handcrafted way by roasting of dried onion. This study was conducted to determine the optimal roasting conditions. The traditional processes of Gabou manufacturing were identified through a survey and studied. Gabou were produced at different roasting temperatures and times in presence of the oil quantities in the laboratory. Then sensory analyses were conducted to select the Gabou of best sensory characteristics. The chemical composition of the selected Gabou and their raw materials was determined. The result of the investigation showed that flower stems, green leaves and onion bulbs were used in the production of Gabou. The optimal roasting conditions were obtained at 120°C for 8 min for bulbs Gabou, 120°C for 5 min for green leaves Gabou and 130°C for 11 min for flower stems Gabou in the presence of 1 ml, 2 ml and 0 ml palm oil per 30 g, respectively. Roasting conditions that led to the production of Gabou of good sensory characteristics did not have a significant negative influence (p<0.05) on proximate and mineral composition. On the contrary, they have significantly reduced the moisture content which contributes to the reduction of Gabou shelf life.

Keywords: Crop; Production/Industries (search for similar items in EconPapers)
Date: 2019
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