The quality characteristics of traditional Kyungsangdo Myungtae (Alaska pollack) sikhae including optimal composition of the product were investigated. In the sensory evaluation, the Myungtae sikhae made from Gampo accepted to be best for traditional Kyungsangdo Myungtae sikhae and it is called standard sikhae. The standard sikhae was prepared as follows: dried-Myungtae 200g, cooked rice 230g, red pepper 92g, garlic 112g, ginger 100g, radish 1.6kg, salt 20g, and malt meal 65g. The Myungtae sikhae made from Gampo showed higher values in total sugar, free reducing sugar, and nitrogen compounds than the Myungtae sikhae made from another locations. The sugar of standard sikhae consisted of four kinds including glucose. And, the contents of free amino acid was increased in the order of glutamic acid, alanine, and methionine. The composition of free amino acid in Myungtae sikhae contained 17 kinds, and the contents was increased in order of glutamic acid, aspartic acid, and proline. The organic acid of standard Myungtae sikhae consisted of 7 kinds including lactic acid during fermentation. The contents of citric acid, succinic acid, and lactic acid gradually increased during fermentation, and especially, increasing of lactic acid remarkably increased than the different organic acid.
여과제균한 배추즙에 김치에서 분리한 7주의 젖산균을 단독 접종하고 10℃, 20℃, 30℃ 및 40℃에서 배양하면서 각각의 증식곡선을 작성하고, 이를 이용하여 각 배양온도에서의 유도시간과 세대시간을 구하였다. 30℃에서 배양할 때의 유도시간은 Leu. mesenteroides subsp. dextranicum은 168분, Leu. mesenteroides subsp. mesenteroidess는 204분. Leu. paramesenteroides은 612분, Lac. bavaricus은 258분, Lac. homohiochii는 228 분, Lac. plantarum는 270 분 그리고 Lac. brevis는 264분이었고, 세대시간은 Leu. mesenteroides subsp. dextranicum 및 Leu. mesenteroides subsp. mesenteroides는 36분, Lac. bavaricus는 33분, Lac. homohiochii는 39분, Lac. plantarum는 66분, Lac. brevis는 42분 그리고 Leu. paramesenteroidse는 162부이었다. 배양온도를 30℃에서 10℃로 낮출 때 모든 균주들의 유도시간과 세대시간이 크게 연장되었는데, 이러한 연장은 Lac. plantarum에서 더욱 현저하게 나타났다. 10℃, 20℃ 및 30℃에서는 Leu. mesenteroides subsp. mesenteroides의 유도시간과 세대시간이 Lac. plantarum의 그것보다 더 짧았다. 그러나 40℃에서는 이러한 양상이 완전히 전도되었다. 전반적으로 보아 배양온도가 낮아질수록 Leu. mesenteroides subsp. mesenteroides의 증식에 상대적으로 더 유리하였고, 배양온도가 높아질수록 Lac. plantarum 의 증식에 상대적으로 더 유리하였다.
효소반응과 부분 산가수분해 결과를 해석하여 Leuconostoc mesenteriodes M-12 덱스트란수크라제 억셉터 반응 산물이 새로운 분지올리고당의 구조를 확인하였다. 분지올리고당 B_4의 구조는6^2-O-α-D-kojibiosylmaltose인 것으로 확인되었으며, 분지올리고당 B_5의 구조는 6^3-O-α-D-kojibiosylpanose였다. 억셉터 반응산물을 덱스트라나제로 분해한 결과 새로운 올리고당인 D_4를 확인할 수 있었다. 억셉터 반응의 산물을 억셉터로 이용한 두 번째 억셉터 반응의 생성물을 덱스트라나제 처리하여 D_4를 얻었는데 덱스트라나제와 글루코아밀라제에 의해 분해되지 않았다. 그 구조는 6^2-O-α-D-kojibiosylisomaltose로 확인되었다. 직선상 또는 분지결합을 가진 d.p. 6이하의 억셉터 반응산물의 생성 패턴도 확인하였다.
This study was carried out to estimate the daily intake of lead and the relationship among dietary intake, serum level, and urinary excretion of calcium in 30 healthy adults living in rural area of Korea(12 males and 18 females). Analyses for the nutritional status of the subjects were performed by 3-day dietary intake record, duplicated diet collection, 24-hour urine collection, and venous blood sampling. The results were as follows : The mean daily intake of energy was 2, 176.3㎉ and l, 613.9㎉ in males and females of 20∼49years, and l, 914.8㎉ and l, 517.9㎉ in males and females of 50∼59years, respectively. The ratio of carbohydrate: fat: protein was 73.4:13.6:13.0 in males and 76.4:10.3:13.3 in females. The mean daily intake of lead was 277.2㎍ in males and 192.0㎍ in females. The mean daily intake, serum level, and urinary excretion of calcium were 491.1㎎, 8.9㎎/㎗, and 80.7㎎ in males and 426.7㎎, 8.8㎎/㎗, and 80.3㎎ in females, respectively. No significant correlation was found between the daily lead intake and the dietary intake, serum level, and urinary excretion of calcium. It was concluded that the daily lead intake was lower than the acceptable daily lead intake of FAO/WHO but a little higher than that of other investigations. And the daily lead intake was not level that relate to calcium status seriously.
The effects of six kinds of phosphate complex on the water holding capacity (W.H.C) and protein solubility of hair tail, yellow tail runner and dried pollack meat paste were investigated and animal meat(pork, chicken and hare meat complex). The formulation of six kind of phosphate complex employed to this experiment were made by mixing several phosphate such as sodium polyphosphate, sodium pyrophosphate, sodium acid pyrophosphate, potassim pyrophosphate, sodium ultra-meta-phosphate, sodium-tetra-phosphate and monoglyceride at different mixture ratio. Among the six kinds of phosphate complex, phosphate B complex which was formulated by mixing sodium polyphosphate 40%, sodium pyrophosphate 30%, sodium tetra mata phosphate 10%, sodium ultra meta phosphate 10% was most effective on enchanging the W. H. C. and protein solubility of hair tail, yellow tail runner dried pollack meat past and in case of pork, chicken and hare meat paste. Phosphate C complex which was formulated by mixing sodium polyphosphate 50%, sodium pyrophosphate 30%, sodium tetra meta phosphate 10%, potassium pyrophosphate 10%, was more effective them other phosphate complex, and thier optimum addition level was 0.5% respectively in weight of fish meat paste. Texture characterstics such as hanrdness, cohesiveness and springiness value of Kamaboko(fish meat and pork, chicken, hare meat complex past meat product) were evaluted as best when 0.5% of phosphate B complex was added. The optimum cooking condition of Kamaboko to get good texture was heating for 20 minutes at 120℃.
This experiment was carried out to investigate the changes in quality of pork organs such as the meat of large intestine, small intestine and liver during frozen storage at -18±1℃. The result obtained were as follows ; 1. The moisture contents in the meat of large intestine, small intestine and liver was 61.1%, 65.1% and 71.3% and the content of crude fat was 27.1%, 21.5% and 5.0% respectively. 2. Weight loss increased in the course of storage period, and liver showed the least weight loss in them. 3. Total lipid in the meat of large intestine, small intestine and liver was 24.4%, 19.2% and 4.3% respectively, and which decreased gradually in the course of storage period. 4. The content of volatile basic nitrogen in raw meat was 20㎎% within and without before storage treatment, and that of the value was 24.2㎎% within after 3 weeks storage.