Development of protein, dietary fiber, and micronutrient enriched extruded corn snacks
2017
Shah, Faiz‐Ul‐Hassan | Sharif, Mian Kamran | Butt, Masood Sadiq | Shāhid, Muḥammad
The study was aimed to develop protein, dietary fiber, and micronutrient enriched corn snacks through extrusion processing. Corn snacks supplemented with chickpea, defatted soy flour (20–40/100 g) and guar gum (7/100 g) were prepared through extrusion processing. Micronutrients (iron, zinc, iodine, and vitamins A, C, and folic acid) at recommended daily values were added in all formulations. Extruded corn snacks were analyzed for physical, textural, and sensory attributes. Results showed that piece density (0.34–0.44 g/cm³), moisture (3.40–5.25%), water activity (0.203–0.361), hardness (64.4–133.2 N), and cohesiveness (0.25–0.44) was increased Whereas, expansion ratio (3.72–2.64), springiness (0.82–0.69), chewiness (1.63–0.42), and resilience (1.37–0.14) was decreased as supplementation with soy and chickpea flour increased from 20 to 40/100 g. Overall corn snack supplemented with 15/100 g of soy and 15/100 g of chickpea flour got the highest acceptance from the sensory panelists. PRACTICAL APPLICATIONS: The article focuses on physical, textural, and sensory attributes of extruded corn snacks enriched with protein, dietary fiber, and micronutrients Awareness about the importance of healthy snacks has grown among the consumers during the last decade. Extruded snacks developed using nutrient rich ingredients with good textural and sensory properties has always remained a challenge for the snack industry. Texture of the extruded snacks varies a lot with high levels of protein and dietary fiber. This study is helpful for the development of healthy snacks especially in developing countries lacking storage infrastructure or tropical environment. Nutrient rich extruded snacks can also be used to alleviate malnutrition by incorporating in school lunch programs.
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