The influence of baking duration on the sensory quality and the nutrient content of mung bean biscuits

Abstract

Baking is one of the cooking stages to determine the form, taste, and the color of biscuit. The purpose of this study was to determine the effects of different baking times on the sensory quality and nutrient content of mung bean biscuit. This research was designed using an application approach. Mung bean biscuit made from 60% mung bean flour, 20% wheat flour, and 20% cornstarch were baked at different baking times, i.e. 13, 15, 17, 19, and 21 mins, at 150°C. A total of ten trained panelist were asked to participate in the sensory testing using the scoring method. In addition, the mung bean biscuits were subjected to proximate analysis; energy content using the calorimeter; carbohydrate content using the Luff School method; protein content using the micro Kjeldahl method; fat content using the Soxhlet method; and fiber content was using the gravimetric method. The iron content of the mung bean biscuit was also tested using the colorimetric method. Data were analyzed with ANOVA followed by the Duncan test. It was observed that the baking times influenced the sensory attributes of the biscuit in terms of the color, aroma, and texture. The mung bean biscuits baked at 17 mins had the best overall sensory attributes with overall acceptance of 7.2 (maximum score = 9) with a sweet taste (score 7.0) and original mung bean flavor (score 6.7). Mung bean biscuits baked for 13 - 21 mins contained 445 - 454 kcal energy, carbohydrate content 62.57 - 65.02%, protein content 7.57 - 8.04%, fat content 17.94 - 19.15%, moisture content 5.11 - 6.75%, ash content 0.95 - 1.74%, and fiber content 1.50 - 2.75%. The iron content of the mung bean biscuit was also very high at 17.53 - 26.37 mg.

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