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전순실,박정로,조영숙,김문용,김래영,김경옥 한국식품영양학회 2001 한국식품영양학회지 Vol.14 No.4
Physicochemical properties of dough and bread supplemented with onion (Allium cepa L.) powder were investigated. Farinographic characteristics of dough showed that addition of onion by 2% and 4% increased water absorption, however, as the onion added more the water absorption decreased. Addition of 2% onion delayed time for development of dough a little, while more than 4% onion shortened the development time significant1y. A reduction in stability and an Increase in weakness of dough were observed by addition of onion. Addition of onion powder resulted in a reduction of extendibility and an increase in resistance to extension of dough as measured by extensograph. Amylographic analysis showed that addition of onion increased gelatinization temperature and decreased maximum viscosity. Moisture content, baking loss, height and volume of bread tended to decrease with the addition of onion powder. Lightness of bread crust and crumb decreased as the onion powder added more, while redness and yellowness increased. Bread tilth onion powder had mode free amino acid. especially, Arginine. aspartic acid, glutamic acid and alanine, than control. The addition of onion hardness of bread increased, but springiness decreased as the onion added more. Sensory evaluation of bread indicated that addition of 2% and 4% onion powder enhanced springiness, mouth feeling, appearance, hardness, moistness and overall acceptability.
전순실,서재수,오찬,Chun, Soon-Sil,Suh, Jae-Soo,Oh, Chan 한국식품영양학회 2000 한국식품영양학회지 Vol.13 No.6
The marsh calm soup was prepared with 2 volumes of boiling water and heated for 0, 5, 10, 30, 60 and 120 minutes. As the boiling time prolonged, water content decreased gradually, while protein content increased. Free amino acid content was the highest with 30 minutes of boiling showing 103.1 mg/100g, and decrease showly thereafter. Among the free amino acids, alanine was the most abundant followed by proline, glutamic acid and glycine. Degree of protein hydrolysis increased as boiling prolonged. In the non-volatile organic acids, succinic acid was the highest(137.08 mg/100g with 30 minutes of boiling), followed by oxalic acid, magic acid and lactic acid. The optimum boiling time for marsh calm soup was evaluated to be 30 minutes.
Effects of Dipotassium Phosphates on the Texture of Frozen Whitefish ana Burbot Muscles
전순실,김무남,이강호,CHUN Soon-Sil,KIM Mu-Nam,LEE Kang-Ho The Korean Society of Fisheries and Aquatic Scienc 1991 한국수산과학회지 Vol.24 No.6
Whitefish와 Burbot는 북미지역, 유럽 등지에서 비교적 널리 이용되고 있는 담수어종이지만 Whitefish는 조직이 연하여 가공중 부스러지기 쉽다는 점이 문제가 되고 있으며, 이와는 대조적으로 Burbot육은 끈적한 점액이 어피를 둘러싸고 있어 이용이 제한되고 있는 외에 가공저장중에 조직이 tough해지는 결점이 있다. 따라서 본 실험에서는 이들의 조직상의 제 문제를 개선함으로써 두 of종의 가공성을 높이고 나아가 상품적 가치를 제고할 목적으로 이들의 texture에 영향을 미친다고 생각되는 각종 인자들을 살펴보았다. 두 어종의 어육을 fillet로 하여 대조군과 인산염 완충용액을 high pressure injection법으로 처리한 군의 pH, 수분 함량, Total collagen량의 차이를 검토하였고 아울러 $-12^{\circ}C$에서 3개월 간 저장한 후의 이들의 변화를 살펴보았으며, 이들 제 인자들이 Instron texturometer로써 측정한 texture와 어떻게 관련되어 지는지를 다중 회귀방정식을 이용하여 분석하였다. pH는 인산염 처리구가 대조구보다 다소 높았다. 3개월 저장으로 두 어종 모두 pH와 수분함량이 감소하였다. Instron texturometer으로 측정한 texture의 값과 이들 제 인자들 사이의 상관관계는 조직이 약한 whitefish에서는 상관계수가 낮아 특정인자가 두드러진 영향을 미친다고 보기는 어려웠으나 조직이 단단한 burbot육은 이들 인자 중 pH가 비교적 상관계수가 높게 나타났다.
나박김치의 저장성 향상을 위한 Chitosan 첨가의 효과
전순실 한국자원식물학회 1998 한국자원식물학회지 Vol.11 No.1
The effect of chitosan on physicochemical and organoleptic properties of Nabak kimchi was studied during fermentation at 2$0^{\circ}C$ . Viscosity of the juice of Nabak kimchi added with chitosan was lower than that of control group. The viscosity was gradually increased during storage period, especially from 5 days to ,7 days of storage. Initial pH was higher in control group than inchitosan groups. The pH of controlgroup decreased rapidly during 4 days of storage. The pH of chitosan groups was slightly increased during the first 3 days of storage and decreased thereafter. Acidity was rapidly increased from 3 to 5 days. Reducing sugar contents increased up to 3 days and decreased thereafter. Acidity was rapidly increased from 3 to 5 days. Reducing sugar contents increased upto 3 days and decreased therafter. Glutamic acid, alanine, threonine, aspartic acid, proline and valine were the major free amino acids, and as the fermentation preceeded they were increased gradually. There were signigicant differences in saltiness, sourness and aged odor in sensory evaluation of Nabak kimchi solution during fermentation at 2$0^{\circ}C$.
신선초 김치 숙성 중 Chlorophyll 함량 및 휘발성 향기 성분의 변화
전순실,조영숙,심선엽,손미예,최성희,이상래 한국식품영양학회 2000 한국식품영양학회지 Vol.13 No.1
Changes in the contents of volatiles and chlorphylls of Angelica keiskei Kimchi during fermentation were investigated. Total chlorphyll contents decreased gradually during the fermentatin period. Chlorphyll a decreased rapidly from 1.38 to 0.5$\mu\textrm{g}$/cm by the 5th day of fermentation with no further changes at 7th day, while chlorophyll b did not show any change by 3rd day and decomposed rapidly thereafter. Major voltile compounds identified in the kimchi were sabinene, $\alpha$-pinene and $\alpha$-terpinolene, which were gradually decreased during fermentation. There were significant differnce in color, sourness, bitterness and overall acceptability in sernsory evauation of Angelica keiskei Kimchi during fermentation at 2$0^{\circ}C$.