Optimization of extrusion cooking conditions for seasoning base  production from sea mustard (Undaria  pinnatifida)

Chaehyeon Lee; Eui-Cheol Shin; Soo-Young Ahn; Seonghui Kim; Dongyun Kwak; Sangoh Kwon; Yunjin Choi; Gibeom Choi; Hyangyeon Jeong; Jin-Soo Kim; Jung Suck Lee; Suengmok Cho

Optimization of extrusion cooking conditions for seasoning base production from sea mustard (Undaria pinnatifida)

2022

Sea mustard (Undaria pinnatifida), an important edible seaweed belonging to the brown algal family of Alariaceae, contains copious physiologically active substances. It has long been popular in Korea as a food and is frequently consumed in the form of soup. It is also commercially available as a home meal replacement. In this study, we developed a seasoning key base with a high degree of sensory preference from sea mustard using the extrusion cooking process. Extrusion cooking conditions were optimized through response surface methodology. Barrel temperature (X1, 140°C–160°C) and screw speed (X2, 158–315 rpm) were set as independent variables, and overall preference was determined as the dependent variable (Y, points). An optimal condition was obtained at X1 = 148.5°C and X2 = 315 rpm, and the dependent variable (Y, overall acceptance) was 7.95 points, similar to the experimental value of 7.81. Umami taste had a relationship with the overall acceptance of sea mustard seasoning. In the electronic nose and tongue, increased sourness and umami intensities were associated with the highest sensory score. The samples were separated well by each characteristic via principal component analysis. Collectively, our study provides imperative preliminary data for the development of various seasonings using sea mustard.

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