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논문 기본 정보

자료유형
학술저널
저자정보
김정옥 (세종대학교 가정학과) 김종군 (세종대학교 가정학과)
저널정보
한국식품조리과학회 한국식품조리과학회지 한국식품조리과학회지 제10권 제1호
발행연도
1994.1
수록면
1 - 7 (7page)

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초록· 키워드

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Major quality parameters(organic acids, alcohols, fusel oil and sensory characteristics) of traditional Ewhaju were investigated during brewing. In organic acid contents at immediately after brewing, lactic acid was 155.1mg%, malonic acid was 5.4mg%, succinic acid was 8.9mg%, acetic acid was 7.6mg%, oxalic arid was 1.3mg%, citric and tartaric acid was 27.8mg% and pyruvic acid was 4.8mg% but in 100 days after brewing and one year aged, lactic acid was 1763.3 and 3059.3mg%, malonic acid was 12.3 and 19.3mg%, succinic acid was 11.5 and 23.1mg%, acetic acid was 29.2 and 73.1mg%, oxalic acid was 0.6 and 0.2mg%, citric and tartaric acid was 298.3 and 639.6mg%, and pyruvic acid were 1.1 and 0.3mg%, respectively. All the alcohol contents increased as the fermentation period increased ; the ethyl alcohol was only 0.05fe at immediately after brewing. In the alcohols content of Ewhaju at 100 days after brewing, the ethyl alcohol, methyl alcohol n-propyl alcohol and iso-butyl alcohol were 5.13ft, 47.56 ppm, 37.25 ppm and 19.51 ppm, respectively, Also in the one year aged Ewhaju, the ethyl alcohol was 9.39f), methyl alcohol was 36.34 ppm, Fusel oil was not detected in the first stage of brewing, but it was detected 1.12mg% at 100 days after brewing and 1.18mg% at one year stored sample. A general trend in change of color was almost white immediatly after brewing but a increase in Hunter "b" value and "a" value were observed depending on brewing time prolonged. Taste and overall palatability of Ewhaju after 100 days of brewing were significantly superior(p<0.05, p<0.01).

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