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Abstract ▼ AI-Helper

This study was undertaken to obtain the fundamental data for improving the quality of Korean traditional chonggugjang. To compare the physicochemical properties of traditional chonggugjang produced in different regions, sixty-seven chonggugjang samples collected at nine provinces were analyzed. The ...

This study was undertaken to obtain the fundamental data for improving the quality of Korean traditional chonggugjang. To compare the physicochemical properties of traditional chonggugjang produced in different regions, sixty-seven chonggugjang samples collected at nine provinces were analyzed. The average moisture, protein, fat, non-fibrous carbohydrate, fiber, ash, amino nitrogen contents and pH value of collected chonggugjang samples were 55.0%, 17.6%, 3.3%, 13.3%, 4.9%, 5.8%, 0.23%, and 7.21, respectively. The average fatty acid compositions of chonggugjang were 53.8% for linoleic, 21.1% for oleic, 12.4% for palmitic, 9.0% for linolenic, and 3.7% for stearic acid. Traditional chonggugjang contained large amounts of glutamic acid, aspartic acid, and leucine, but less than 0.2% of cysteine and methionine. The average free sugar content was 3.3%, and the dominant free sugar among them were sucrose and galactose. The total average organic acid content of the samples analyzed was 883.0 mg% and citric, acetic, latic, malonic, succinic, formic, tartaric acid were also detected. The Hunter's color L, a, and b values of samples were 49.1, 7, 2, and hardness was $8.3\;kg/{\Phi}20\;mm$.

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