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KMID : 0665220210340020207
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Korean Journal of Food and Nutrition
2021 Volume.34 No. 2 p.207 ~ p.216
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The Physicochemical and Biological Characteristics of Soksungjang with the Addition of Sorghum Koji
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Yoon Hyang-Sik
Kang Hye-Jeong
Eom Hyun-Ju
Kim So-Young
Kim In-Jae
Kim Young-Ho
Song Yong-Sup
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Abstract
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This study analyzed the quality characteristics of Soksungjang combined with sorghum koji, according to the amount of sorghum added and the length of the fermentation period. The moisture content of Soksungjang was the lowest in the control group when there was no sorghum koji added, but gradually increased as the amount of added sorghum koji increased. The reduction in the sugar content of sorghum Soksungjang did not change according to the fermentation period of the control group, but increased alongside the fermentation period when sorghum koji was added to Soksungjang. The amino nitrogen content increased from 67.20-80.73 mg% from the beginning of the fermentation period to 173.13-383.60 mg% at the end of the fermentation period, and the total polyphenol content increased from 260.25-351.28 mg% from the beginning of the fermentation period to 567.28 mg%-674.93 mg% to the end of the fermentation period. DPPH radical scavenging activity also increased as the fermentation period elapsed, and ABTS radical scavenging activity increased and then decreased slightly over the fermentation period. The antioxidant activity was the highest in the Soksungjang mixture with a 10% concentration of sorghum koji.
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KEYWORD
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Soksungjang, sorghum koji, quality characteristics, biological characteristics
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