Home»Food Science Technology» A comparative assessment of the phytochemical and sensory acceptability of Kunun Zaki blends with sweet potato and orange fleshed sweet potatoes

A comparative assessment of the phytochemical and sensory acceptability of Kunun Zaki blends with sweet potato and orange fleshed sweet potatoes

 Department:Food Science Technology  
 By:usericon muhalhq  

 Project ID: 8223
 Rating:  (5.0) votes: 1
   Price:₦5000
Abstract
This study investigates the phytochemical properties and sensory acceptability of Kunu-zaki, a traditional non-alcoholic fermented beverage widely consumed in Nigeria, with a particular focus on blends incorporating Sweet Potato (Ipomoea batatas) and Orange-Fleshed Sweet Potato (OFSP). Kunu-zaki is typically made from locally sourced cereals such as millet, sorghum, and maize, but its nutritional profile is often considered inadequate due to its high water content and low nutritional density. The incorporation of nutrient-dense ingredients like OFSP, known for its high beta-carotene content and health benefits, presents an opportunity to enhance the beverage's nutritional value and address vitamin A deficiency, a significant public health issue in developing countries. The study aims to evaluate both the phytochemical composition and sensory acceptability of various Kunu-zaki blends created from different ratios of millet, sweet potato, and OFSP. The production process involves selecting high-quality grains, preparing purees from the sweet potatoes, and fermenting the mixtures. Phytochemical analyses are conducted to measure the levels of flavonoids, carotenoids, tannins, and vitamin A, utilizing standard methods. Sensory evaluation involves a panel of trained assessors who rate the blends based on attributes such as color, taste, aroma, and overall acceptability using a 9-point hedonic scale. Results indicate that Kunu-zaki blends with OFSP exhibit significantly higher levels of beneficial phytochemicals compared to those with regular sweet potato, including an impressive increase in flavonoid and carotenoid content. Recommendations for future studies include exploring additional nutrient fortification strategies and conducting consumer acceptance studies to further enhance the marketability of improved Kunu-zaki blends....
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