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Abstract ▼ AI-Helper

An investigation was carried out to develope a processing method for Nooroong-gi powder for use of Soongneung extraction by hydrolysis with ${\alpha}$-amylase and gelatinization of rice powder followed by toasting on hot plate. Three kinds of Nooroong-gi powder were prepared according to ...

An investigation was carried out to develope a processing method for Nooroong-gi powder for use of Soongneung extraction by hydrolysis with ${\alpha}$-amylase and gelatinization of rice powder followed by toasting on hot plate. Three kinds of Nooroong-gi powder were prepared according to the degree of toasting. As the hydrolysis time increased, the DE value fastly increased during initial 2 minutes and viscosity decreased markedly. When the Soongneung was extracted from Nooroong-gi at 80-100$^{\circ}C$, more than 80% of total solids was extracted during initial 10 minutes and higher temperature yielded more extraction solids. Sedimented volume of insoluble solids and turbidity were increased as the extraction temperature and time increased. Among the three Nooroong-gi powders, the more toasted one showed the higher yields, turbidity and lower L color values of Soongneung. Even though all sensory properties of the most toasted Soongneung were scored highest, the medium toasted one obtained the highest score in preference.

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