• Title/Summary/Keyword: Soybean paste bread

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Development of Yeast Leavened Pan Bread Using Commercial Doenjang(Korean Soybean Paste): 3. The Effects of Protein Dispersibility of Doenjang Powders and Soy Flours on the Gluten Rheology and Bread Quality Characteristics (시판 된장을 이용한 식빵 제조 : 3. 된장과 대두분의 단백질분산성이 글루텐물성과 식빵의 품질특성에 미치는 효과)

  • 오현주;김창순
    • Journal of the Korean Society of Food Science and Nutrition
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    • v.33 no.6
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    • pp.1043-1048
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    • 2004
  • This study was carried out to investigate the effect of soy protein dispersibility on the bread making properties when Doenjang powders (DP) were added to the bread formula at the levels of 2.5 or 5.0%, comparing with full fat (FSF) or defatted (DSF) soy flours which contain same protein contents as those of DP. Protein dispersibility indices (PDI) for DP, FSF, DSF and strong wheat flour were 57.1, 7.3, 10.8 and 32.8%, respectively. Addition of DP decreased significantly the resistance to extensibility of wet gluten and increased its extensibility. However, FSF and DSF showed different changes in gluten rheology due to their PDI. In correlation coefficient values, PDI affected positively both gluten extensibility (r=0.98, p<0.01) and ovenspring (r=0.88, p<0.05) resulting in loaf volume and texture improvement of bread with addition of DP.

The Problem on Riboflavin Content Inference of Common Foods for Korean (한국인 상용식품중의 리포블라빈 함량추정에 관한 문제점)

  • 임화재;윤진숙
    • Journal of the Korean Society of Food Science and Nutrition
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    • v.19 no.1
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    • pp.73-79
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    • 1990
  • In order to study on the riboflavin content of common foods for Korean and the rates of destruction of riboflavin during cooking 26 kinds of the foods were selected and 3 kinds of menu were cooked by standardized method. For each food item and menu riboflavin content was measured by AOAC method. The experimental values of 13 kinds of food such as rice oak mushroom carrot squarsh tangle dried large anchovy apple(Fuji) dried laver ramyun pork soybean curd fried soybean curd and danmugi were almost consistent with food compo-sition values. Whereas those of 12 kinds of foods such as cabbage onion potato kimchi beef sausage dried medium anchovy hair tail soybean paste and egg were considerably different from food composition table values, up to now Alaskan pollack maize loaf bread hamburger bread etc have not been analyzed in food composition table, The rates of retention of riboflavin in menu 1, 2, and 3 cooked by standardized method were 24% 69% 46% respectively. The overally retention rate was in inverse proportion to the time of sunlight exposure during cooking.

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Food Preferences of College Students (대학생의 음식 기호 조사)

  • Chung, Young-Jin
    • Journal of Nutrition and Health
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    • v.17 no.1
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    • pp.10-19
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    • 1984
  • The Purpose of this study was to investigate the food preferences of college students of Korea. The survey was conducted on november, 1981 through the questionnaires. The subjects were 1184 male and 1241 female students of 9 universities. The results obtained were summarized as follows : 1) Preferences of staple foods : Cooked rice was preferred most by the subjects. Male liked rice more than female, whereas female liked bread and noodle more than male. Among the different kinds of rice, bread, and noodles, the following food items were favored by the subjects. (plain rice, red bean rice and soybean rice ; salad bread and vegetable bread ; Nangmyun and Bibim Kooksu). The foods not preferred were barley rice, instant noodle and soybean milk noodle. 2) Preference of side - dishes : Among the kinds of side - dishes by different preparation methods, stews were the most favored and the next favored were soups by the subiecls whereas female showed lower preference of soups than male subjects Most disliked kinds of side-dishes were changachi and moochim. For example, side-dishes which showed higher preference in each preparation method were stew (Kimchi stew and Soybean paste stew), soup (Beef soup and Seaweed soup), kimchi (Korean cabbage Kimchi), Bockeum (Sauted beef and Sauted Kimchil, cheon(Beef Cheon, fish Cheon), Kui(broiled saury and broiled yellow tail runner), Chorim(braised cuttle fish and braised fish cake), Namul(sliced radish, cucumber, and spinachi), and Changachi (dried radish). The side-dishes which showed lower preference were Alaskan pollack soup, soybean curd residue stew, cabbage Kimchi, liver Cheon, sauted liver, hairtail Chorim, radish rootNamul, and dried radish root Changachi. 3) Preferences of snacks. Fruits apple, peach, pear) were the most preferred snacks by the subjects. Male preferred ginsang tea whereas famale preferred coffee. Both bate and female subjects showed higher preference of milk and lower preference of sweets. 4) Preference of one-dish meals : No one dish meal were disliked by the subjects. Male liked Bockeum-Bab more than female, and female liked Mandukuk more than male subjects.

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Development of Yeast Leavened Pan Bread Using Commercial Doenjangs (Korean Soybean Pastes): 1. Physicochemical Properties of Doenjang and Physical Properties of Bread Added with Doenjang (시판 된장을 이용한 식빵 제조: 1. 된장의 이화학적 특성 및 된장을 첨가한 식빵의 물리적 특성)

  • 오현주;문혜경;김창순
    • Journal of the Korean Society of Food Science and Nutrition
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    • v.32 no.7
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    • pp.1002-1010
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    • 2003
  • This study was carried out to develope yeast leavened pan bread using the commercial Doenjangs (Korean soybean pastes). Physicochemical properties of the Doenjang products were measured such as aminonitrogen, pH, titratable acidity and salinity, reducing sugar, total free sugar, total organic acid, PDI (protein dispersibility index) and color. Seven products of Doenjang were freeze-dried and powdered to be used in bread formula at the levels of 2.5, 5.0, 7.5 and 10.0%. When the Doenjang powder was added up to 5.0%, the ovenspring during baking remarkably increased resulting in increased loaf volume. However, with Doenjang powder more than 7.5%, the loaf volume became smaller than the control as the dough expansion and ovenspring decreased. Thus when Doenjang was added to bread dough, the loaf volume was highly correlated with ovenspring (r=0.92) but it was not with dough expansion during 1st fermentation (r=0.56). The browning color of bread crust and crumb became deeper with decrease in L value as the addition of Doenjang powder increased. From the mechanical texture measurements of bread crumb, hardness, gumminess and chewiness decreased with addition of Doenjang powders. Regardless of the kinds of Doenjang, the Doenjang powders could be added into the bread dough up to 5.0%, improving the loaf volume and texture of yeast leavened pan bread and demonstrating the possibility of producing a functional bread using the Doenjang powders.

Microbiological Quality Evaluation for Application of the HACCP System to the Bakery Products at Small Scale Bakeries (소규모 베이커리에서의 HACCP적용을 위한 미생물학적 위해도 평가)

  • 엄애선;권성희;정덕화;오상석;이헌옥
    • Korean journal of food and cookery science
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    • v.19 no.4
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    • pp.454-462
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    • 2003
  • Recently, the HACCP(Hazard Analysis Critical Control Point) system has been emphasized in food processing industries throughout the world. However, the system has, as yet, not been applied very well to domestic food industries. Due to the increase in the consumption of bakery products, more studies are required on the application of HACCP to establish the system in small-scale bakeries. This study was designed to provide basic data for setting management standards for HACCP, based on microbiological hazard evaluations of bakery products. Red bean paste filled breads, custard cream filled breads and cakes covered with fresh whipping cream were collected, and microbiological evaluations conducted on the raw materials, the manufacturing processes and potential hazards. The result showed the presence of coliforms in fresh cream of cakes and the soybean paste of soybean paste breads at levels as high as 105 CFU/g on the hazard analysis of the raw materials. Moreover, the general levels of bacteria and coliforms were over those of the standards during the intermediate fermentation and molding processes. Furthermore, high levels of coliforms were detected on the hands of the salesmen and bakers themselves. This suggests that the CCPs (Critical Control Points), such as fresh cream and red bean paste manufacturing process desperately require better management. There is also a requirement for education relating to personal hygiene for the production of hygienic bakery products and for the publics health.

Development of Yeast Leavened Pan Bread Using Commercial Doenjangs(Korean Soybean Paste): 2. Correlation between Factors Relating with Dough Extensibility and Bread Quality in Addition of Doenjang (시판 된장을 이용한 식빵 제조: 2. 된장 첨가에 따른 반죽 신장성 관련인자와 빵품질 특성과의 상관성 조사)

  • 오현주;김창순
    • Journal of the Korean Society of Food Science and Nutrition
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    • v.33 no.5
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    • pp.880-887
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    • 2004
  • This study was carried out to examine the effect of added Doenjang on wheat flour dough and gluten rheological properties using Micro-extensigraph method and correlation between factors relating with Doenjang or dough rheology and bread Quality. There were big differences in pretense activity and free amino acid contents among seven commercial Doenjangs. The addition of Doenjang to wheat flour dough required increased mixing time for gluten development. Dry gluten content increased significantly with addition of less than 5.0% of Doenjang powder. As the amount of Doenjang powder increased, dough peak force decreased and extensibility increased up to a certain level an then decreased, producing the weak dough. This phenomena was seen more obviously in wet gluten than wheat flour dough. Especially, the Doeniang having high pretense activity and high cystein content, caused highly extensible weak dough resulting in bread with high loaf volume and tender texture at the levels of 2.5% added Doenjang. Increase of dry gluten content and extensibility of wheat flour dough or wet gluten positively correlated (r=0.76, 0.91, 0.93), with loaf volume and negatively with hardness values, respectively. Therefore, it was concluded that improvement of bread quality with Doenjang resulted from increase of gluten content and dough extensibility.

The Study on Consumers' Preference and Purchasing Property of Processed Grain Products (소비자의 곡물 가공제품 구매 속성 및 선호도 조사 연구)

  • Baek, Seung-Woo;Kim, Su-Hyeon;Hwang, Jung-Wook
    • Korean Journal of Organic Agriculture
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    • v.25 no.3
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    • pp.537-554
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    • 2017
  • This study had purpose to examine the consumers preference and buying property of processed products by rice, barley, wheat, bean. For the study, the interview was conducted of 300 samples more than 19 years of age. We attempt to examine consumers' preference and individual properties when purchasing processed grain products. Questionnaire was filled for the 23 variable by referring to previous studies to investigate the properties to consider when consumer purchasing the products. To conceptualize, reduce the high correlation parameters by factor analysis. The results attribute to seven factors that safety, brand/image, taste/shelf life, convenience seeking, preferred high-quality, price, consumption patterns. These properties showed significant differences in demographics. First, there was statistically difference by age in safety, brand/image, high quality preference, taste/shelf life. Second, Safety and high-quality preference were the difference between jobs, and depending on household income were significant difference in consumption patterns. We analyzed the purchasing preference by purchase frequency. Ramen, bread, beer are higher purchase frequency than any processed grain products. On the other hand, frozen rice, soybean paste, red pepper paste that are used primarily domestic raw, were lower purchase frequency. But the difference of purchase property according to products was very similar that the highest factor is price, the following factor as taste. Based on these findings, the implications and the limitations of the study were presented.

Development of Food Questionnaire for Korean Americans (재미 한인을 위한 식이섭취빈도 조사 설문지에 관한 연구)

  • 김정선
    • Journal of Nutrition and Health
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    • v.30 no.5
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    • pp.520-528
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    • 1997
  • This study was conducted to develop a food frequency questionnaire for an epidemiological study of dietary patterns and nutrient intake among Koeran American. A random sample of 101 Korean Americans between the ages of 17 and 71 residing in New York and New Jersey was interviewed by the method of 24-hour dietary recall. The foods Korean Americans consumed most frequently were rice (91% of the population), kimchee (81%), coffee(59%), bread(49%), apple(45%), bean sprouts (33%), milk (30%), dried anchovies (27%), eggs(27%), juice (26%), bulgogi, and soybean paste soup (24%, equally. The classification of food items standardized portion sizes were according to both Block's questionnaire and the standardized portion sizes by the Korean Nutrition Association. The value of this food frequency questionnaire is that it can accurately estimate dietary food patterns and nutrient intake among Korean Americans for epidemiological studies. It could also potentially be modified to study the relationship between specific diseases and food intake in the future.

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A Study on the Preferences for Food Intake of Korean Industrial Workers (한국 근로자의 식품섭취 기호도에 관한 연구)

  • Kim, Chang-Sook;Ahn, Myung-Soo
    • Journal of the Korean Society of Food Culture
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    • v.8 no.1
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    • pp.1-9
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    • 1993
  • This study was carried on the preferences for food intake pattern of Korean industrial workers. The survey was conducted from Feb 17, to March 31, 1992 by questionnaires which was composed of 21 items. The subjects of this study were composed of 426 clerical workers, and 439 physical workers. The results were obtained as follows. 1. In the educational background, clerical workers was almost of highschool or collage graduates, and physical workers was almost of highschool graduates. Marginal food cost of per person for lunch a day was from 500 Won to 1,000 Won. They replied that amount of staple food and side dishes were appropriate, and the type of preferable foods was Korean style cooked rice. Also it was known that physical workers thought their nutritive condition more badly than that of clerical workers. So the physical workers considered their health very much when they had meal. It was represented that unbalanced diet, without diet and drinking alcohol effected badly to food intake and taste of food was the most important point in food intake. 2. Preferences for staple foods; Cooked rice was preferred the most by the subjects. Cooked rice with redbean was preferred by clerical workers and cooked rice with soybean was preferred by physical workers and cooked rice with soybean was preferred by physical workers. Also clerical and physical workers liked Kalkooksoo (hot noodle), Nangmyun (cold noodle), bread, vegetable bread and disliked Sphagetti, Ramyun (Instant noodle) in same rate. In the next, cooked rice covered with raw fish pieces (Sushi) was preferred by clerical workers and Mandu-kook was preferred by physical workers. Also they disliked Curriedrice and Hashrice in same pattern. 3. Preference for side-dishes; The Acceptances for side-dishes were high soybean paste soup (clerical workers:43.7%, physical workers:34.4%), Kim chi stew, fried potatoes, crab steaming (37.8%, 36.9%), broiled fish (34.6%, 33.9%), fried green pepper, Ham, Chinese cabbage Kim chi, and pickled garlic by clerical and physical workers all together. But in clerical workers, Wooghugi beef-rib tang, Deodeok muchim, spinach namul, beef jangjeorim, fried shrimp were shown to have high preference in physical workers, beef-rib tang, wild onion and shepherd's purses muchim, soybean sprout, fish jeorim, fried sweet potatoes were high preference. 4. Preference of Snacks; The preferences for snacks were high in strawberry (clerical:36.3%, physical:34.3%), milk (49.9%, 44.4%), waxy rice Doek (30.7%, 30.2%), coffee (40.1%, 38.9%) by two groups in same order.

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Food preferences of Men Working at Industry in Ulsan area (울산지역 산업체에 근무하는 남성 근로자의 기호도 조사)

  • Lee, Jae-Eun;Kim, Hye-Gyeong
    • Journal of the Korean Dietetic Association
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    • v.2 no.2
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    • pp.141-157
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    • 1996
  • This study was carried out to obtain the information concerning food preferences of 588 men working at industry in Ulsan area. The subjects of this study were composed of 245 clerical workers and 343 physical workers. The results of this study can be summarized as follows: 1. Average age of this subjects was 36.1 years(ranging from 21 to 57), in the educational background, most of subjects were high school graduates. The mean height and weight were l71.6cm and 67.5kg. 2. In the preference of food 1) The preference for staple foods, well-milled cooked rice was preferred the most by the subjects. Kalkooksoo(hot noodle), cooked rice covered with raw fish pieces, bread with red bean were preferred the most by the workers. 2) The acceptance for side-dishes were high in sirak(woogyogi) soup, bach tang, soybean paste soup, broiled fish, wild plant namul, small radish kimchi and crab steaming products by clerial and physical workers all together. 3) The preferences for fruits and beverages were high in water-melon, pear, fruit juice and Korean traditional beverage.

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