Evaluation of Stiff Porridge (Ruam nahan) Produced from Composite Flour Blends of Pearl Millet (Pennisetum glaucum) and African Yam Bean (Sphenostylis stenocarpa)

  • Dendegh T
  • Yelmi B
  • Dendegh R
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Abstract

Quality attributes of stiff porridges prepared from Pearl millet and African Yam Bean (AYB) flour blends were studied. Various ratios such as A (100% pearl millet), B (90:10), C (80:20), D (70:30), E (60:40) and F (50:50) of pearl millet and African Yam Bean (AYB) composite flours were mixed and analyzed for functional, proximate composition, mineral elements and sensory properties. The blends were then prepared into stiff porridges for sensory evaluation using a 20-man sensory panel. Substitution of African Yam Bean with Pearl Millet led to increases in moisture (24.29 to 37.50%) protein (10.90 to 19.70%), fibre (1.30 to 2.00%), Ash (0.43 to 0.55%) and fat (3.80 to 5.20%) while the carbohydrate content of the blends decreased (from 62.07 to 39.85%) respectively. Functional properties such as bulk density decreased with increase in AYB from (1.80 to 0.72 g/ml, swelling index also increases from 0.75 to 0.56 g/ml, water absorption capacity decreases from 2.20 to 2.64 g/ml) and Least Gelation Concentration (6%). The sensory attributes of stiff porridges were not adversely affected by African Yam Bean flour. Therefore, it should be possible to incorporate up to 50% of legumes such as African Yam Bean with Pearl Millet in the preparation of stiff porridges.

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APA

Dendegh, T. A., Yelmi, B. M., & Dendegh, R. A. (2021). Evaluation of Stiff Porridge (Ruam nahan) Produced from Composite Flour Blends of Pearl Millet (Pennisetum glaucum) and African Yam Bean (Sphenostylis stenocarpa). Asian Food Science Journal, 63–77. https://doi.org/10.9734/afsj/2021/v20i930343

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