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오승희,하태익,장명호,O, Seung-Hui,Ha, Tae-Ik,Jang, Myeong-Ho 한국식품영양학회 1996 한국식품영양학회지 Vol.9 No.3
New drying method was tested for the Quality control for Kwamegl, dry Pacific saucy(Cololahis saira) In east coast area of Kyungbuk province, Korea. Cholesterol content of raw fish was 56% on dry basis, and decreased to 50.82 mg% rapidly the first 3 day and then, it was almost unchanged. However, the cholesterol content decreased slowly to 52.3 mg% during 15 days in new artificial drying.
꽁치 자연동결건조(과메기)중 지방함량과 지방산 조성 변화
오승희,김덕진 한국식품영양학회 1995 한국식품영양학회지 Vol.8 No.3
The results which were examined changes In contents of constitutive lipid and fatty acid during the natural drying of Pacific Saury were as follows. During the natural drying of Pacific Saury, offal lipid and moisture contents gradually decreased. In the survey of rancidity degree extracted lipid of Pacific Saury, peroxide value was gradually Increased, TBA and acid value were radically increased thereafter 9 days of drying. Neutral lipid, phospholipid and glycolipid contents of total lipid were 95%, 4% and 2%, respectively, and in the neutral lipid, content of TG was more than 90%, and in the phospholipid, contents of PC and PE were 45∼85%, 27∼34%, respectively. Fatty acid composition of total lipid was substantially higher in C18:0 and C20:1, C22:1, C22:6 contents and fatty acid composition of neutral lipid was higher In C22:1, C22:1, contents and fatty acid composition of phospholipid was the highest in C22:6 content. In the fatty acid composition of glycolipid, monounsaturated fatty acid content has substantially higher, C16:0 content was gradually Increased In saturated fatty acid and C22:1 content was gradually decreased in monounsaturated fatty acid. It showed that fatty acid composition of triglyceride has higher in monounsaturated fatty acid content and contents of C20:1, C22:1 was gradually decreased.
오승희,김덕진,최경호 한국식품영양학회 1998 한국식품영양학회지 Vol.11 No.1
We investigated a DMA, TMA, TMAO, a toxic substance to human body can be generated during drying, in a Pacific saury, Cololabis saira. Changes of amine during drying showed a rapid increasing trend until a day of ninth according to an increasing of ambient temperature. And a content of DMA, TMA, TMAO during artificial drying is lowerd than during natural drying. A case of TMAO contents showed that it was decrease during TMA component is generated in drying process Also they can be generated in a drying process. Thus we concluded that an approvement in a general distribution of Kwamaege is needed for preventing a generation of a toxic component such as a DMA, TMA.
건조조건에 따른 꽁치과메기의 핵산류, 유리아미노산의 변화
오승희,김덕진 한국식품영양학회 1998 한국식품영양학회지 Vol.11 No.2
New drying method was tested comparison with a traditional one used for production of Kwamaegi, semi dry pacific saury in east coast area of Kyungbuk province. During 15 days of total drying period, change in nucleotides and free amino acids were measured in edible portion of pacific saury from different dry methods, natural(traditional) and artificial method. ADP and AMP detected in raw fish were decrease while IMP, inosine, hypoxanthine increased during drying period. K1 values expressed as(Hx+HxR$\times$100/Hx+HxR+IMP) increased gradually throughout drying period, indicating the decline of freshness by drying. Freshness judged by change in nucleotides and related compounds was better in samples from artificial drying than from natural one. Special flavors of Kwamaegi were regarded to be synergistic actions of IMP and some amino acids. Content of total free amino acids of raw fish comprised 2.9g by weight(100g) and sum of glutamic acid, aspartic acid and histidine was over 34% of total amino acid content. Glutamic acid content. Glutamic acid, aspartic acid contents were reduced rapidly from 3rd to 9th day more decrease by artifical drying than by natural drying. Lysine content were gradually increased under two different drying conditions and threonine didn't change by two drying conditions.
오승희,하태익,장명호,O, Seung-Hui,Ha, Tae-Ik,Jang, Myeong-Ho 한국식품영양학회 1993 한국식품영양학회지 Vol.6 No.1
We have examined the utility of alkaline ionic water for processing water In order to compare with piped tap water in cooking rice, making kimchi, making bean curd, raising bean sprouts and parboiling spinach. And we have estimated the quality of them. The result of the examination was as follow. A rice cooked with alkaline ionic water had pale yellow color, and had good quality in polish, viscocity, taste, odour and retrogradation as compared with a rice cooked of piped tap water. In the case of a water kimchi, refreshing taste and other kinds of taste were good. Unpleasant taste and smell have decreased. Fresh colour of a Chinese cabbage were maintained long because of the prevention of destruction of chlorophyll. In the case of bean sprouts, sprouting rate was promoted up to 2∼3% during the period of 2∼3 days as compared with that treated with piped tap water And the growth state was good and the contents of vitamin C were high as compared with those with piped tap water. In the case of parboiling of green spinach, the alkaline ionic water helped keeping the chlorophyll of spinach. In the case of bean curd, soft taste, polish, smell and total taste were good. The Utility value of alkaline ionic water for the processing of soft bean curd was recognized by making it soften.