• Title/Summary/Keyword: soysauce

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Changes of Nitrosamine-Related-Compounds by Salt Concentration and Nitrate Content during the Korean Native Soysauce Fermentation (재래(在來) 간장덧 숙성중(熟成中) 식염농도(食鹽濃度)와 Nitrate함량(含量)에 따른 Nitrosamine 관련물질(關聯物質)의 변화(變化))

  • Kim, Mi-Seong;Koh, Moo-Seok;Kwon, Tae-Young
    • Journal of the Korean Society of Food Science and Nutrition
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    • v.14 no.4
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    • pp.329-338
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    • 1985
  • This study was undertaken in order to research formation of nitrosamine and its related compounds by salt concentration and nitrate content during Korean native soysauce fermentation. The results from measuring the changes of nitrite and dimethylamine content can be summerized as follows. As the nitrate content in used water was getting higher and the salt concentration was getting lower, the soysauce fermentation was abnormal. As the salt concentration was getting higher, the reduction of nitrate and formation of nitrite were delayed. But whether the nitrate content in used water was higher or not, the nitrite was continuously remained. An addition of ascorbic acid restrained the reduction of nitrate, and simultaneously, it could eliminate the nitrite effectively. As the nitrate content in used water, was getting higher, the content of dimethylamine was getting lower. Nitrosodimethylamine was detected from 0 to 261.34 ppb.

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A Study on Determining the Optimal Amounts of Fermented Soybean Foods in Various Korean Soups and the Effect of Condiments in Two Basic Stocks (국 종류에 따른 장류의 분양 결정과 조미료의 첨가효과)

  • 정경숙;우경자;홍성야
    • Korean journal of food and cookery science
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    • v.2 no.1
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    • pp.1-10
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    • 1986
  • This sudy was conductted for the purpose of determining the optimal amounts of soy tauce, soy bean paste and hot pepper paste, in 3 different Korean soups and comparing the effect of condiments such as salt, soy sauce, black pepper, and Mono Sodium Glutamate, on the taste of two basic Korean Stocks, The results estimated by Palatability Test were as follows: 1. The average NaCl contents of two kinds of commercial soysauce were 15.9%, 25.6%, respectively. 2. The NaCl contents of 2% sardine stock, and 19% beef stock were 0.16~1.17%, 0.17~0.18% respectively. 3. @ According to Saltiness in sardine stock, there was no difference between the soy sauce-added group and the salt-added group. However, for the removing effect of Off-flavor, and Overall Taste, the soy sauce-group had higher score than salt-added group respectively. (p>.0.1) ⓑ In beef stock, there was no difference between the soysauce-added group and the salt-added group in Saltiness test. The soy sauce-added group had higher score in removing effect of Off-flavor (p>.0.1). On other hand, in Overall Taste, the salt- added group was more effective than the soy sauce-added (p>.0.1). 4 @ According to Saltiness test in beef stock, there was no difference between the black pepper-added and non-added group. However, for the removing effect of Off-flavor and, Overall Taste, the added group had higher score than the non-added group, respectively. (p>.10, p>.0.5) ⓑ Also, according to Saltiness test in beef stock, there was no diffetrence between the MSG-added group and non-added group. However for the removing effect of Off-flavor, and Overall taste, the MSG-added group was more effective than the non-added group. (p>.01) 5. The best recipes of soybean sprouts soup for S persons, in this experiment, were soybean sprouts 180 g, sardine 28 g, soysauce 1/2 T.S., salt 7 g, green onion 15 g, choppedgarlic It. s., against 7 C of water, and total cooking time was 20 minutes. 6. The best recipes of clear-beef soup were beef 200 g, radish 200 g, tangle weed 10 g, sesame oil 1/2 t.s., green onion 15 g, chopped garlic 1 t.s., black Pepper 1/8 1.s., and soy sauce 1 T.S., salt 7 g or soy sauce 2 T S., salt 3.5 g. The total cooking time was minutes. 7, The best recipes of soybean pasted Chinese cabbage soup were Chinese cabbage 300 g, sardine 28 g, green onion 15 g, chopped garlic 1 t.s., and bean paste 50 g, hot pepper paste 13 g, salt 3g or bean paste 65 g, hot pepper paste 16 g, salt 1.5 g. And the total cooking time was 25 minutes. 8. Soy sauce, black pepper, M.S.G., bean paste and hot pepper paste were effective on removing Off-flavor of experimental soups.

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Isolation of Bacillus velezensis SSH100-10 with Antifungal Activity from Korean Traditional Soysauce and Characterization of Its Antifungal Compounds (전통재래 간장으로부터 항진균 활성 B. velezensis SSH100-10의 분리와 그 항진균 물질의 특성 구명)

  • Chang, Mi;Moon, Song Hee;Chang, Hae Choon
    • Food Science and Preservation
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    • v.19 no.5
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    • pp.757-766
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    • 2012
  • The SSH100-10 bacterial strain, which exhibits strong antifungal (anti-mold and anti-yeast) activity, was isolated from traditional korean soysauce aged 100 years. The strain was identified as Bacillus velezensis based on Gram-staining, the biochemical properties and 16S rRNA gene sequence determination. B. velezensis SSH100-10 showed strong proteinase activity and NaCl tolerance, but did not produce enterotoxin. Two-antifungal compounds from B. velezensis SSH100-10 were purified using SPE, preparative HPLC, and reverse phase-HPLC. The purified antifungal compounds were identified as $C_{14}$ and $C_{15}$ iturin through MALDI-TOF-MS and amino acid composition analysis. The stability characteristics of the antifungal compounds after temperature, pH, and enzyme treatments suggested that B. velezensis SSH100-10 produced more than two antifungal compounds; pH-stable $C_{14}$ iturin A and $C_{15}$ iturin A, and unidentified pH-unstable compounds. The results suggested that B. velezensis SSH100-10 can be used in soybean fermentation as a starter. Moreover it has potential as a biopreservative in the food and feed industry and as a biocontrol agent in the field of agriculture.

Consumers' Response and Purchasing of Traditional Fermented Foods Marketed in Taejon (시판 전통발효식품에 대한 대전지역 소비자들의 반응 및 구입현황)

  • 구난숙
    • Korean Journal of Community Nutrition
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    • v.2 no.3
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    • pp.388-395
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    • 1997
  • A survey was conducted to investigate housewives' perception and consumption of Korean fermented foods marketed in Taejon. Most subjects know how to prepare Kimchi(seasoned and fermented vegetables), 65-67% can make Kochujang(fermented red pepper soybean paste), Toenjang(Korean style soysauce) and Jang-atchies(pickled basic side dishes), 56% can make Kuk-ganjang(Korean style coysauce), 45% can make Chonggukjang (fermented soybean) and 34% can make Jot-kals(salt-fermented fish products). With decreasing age(p<0.0001), not many other subjects could make other fermented foods besides Kimchi. The percentages of subjects buying fermented foods were 71.5% for Chin-ganjang(Japanese style soysauce), 51.7% Jot-kals, 27.1%Kochujang, 25.7% Chonggukjang, 20.1% Jang-atchies, 10.4% Toenjang, 5.9% Kuk-ganjang, and 3.8% Kimchi. the uounger in age, the higher the tendency to buy marketed Kimchies(p<0.05) and Kochujang(p<0.01). The resons for purchasing fermented foods were convenience (52.9%), lack of preparation knowledge(17.5%), lack of time for preparation(12.5%), and lack of space for food storage(8.2%). Subjects indicated that their reasons for mot buying were as follows : use of additives or unreliability with regard to manufacturing dates(45%), bad taste(21%), unsanitary treatment(16%) and to keep their indigenous taste(14%). They cosidered expiration dates, taste, crpteria and safety as the important standard in selecting marketed foods. Younger subjects insisted on the improvement of sanitary condition and partial change of taste to increase the consumption of fermented foods. However, older subjects thought it best to keep the taste original for more utilization of fermented foods.

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Flavor Components Generated from Thermally Processed Soybean Paste (Doenjang and Soondoenjang) Soups and Characteristics of Sensory Evaluation (된장찌개의 가열조리 시 생성되는 향기성분과 관능적 특성)

  • Joo, Kwang-Jee;Shin, Myo-Ran
    • Korean Journal of Food Science and Technology
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    • v.36 no.2
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    • pp.202-210
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    • 2004
  • Doenjang, traditional Korean soybean paste without soysauce and soondoenjang that was not isolated soysauce from soybean paste were thermally processed by the addition of dry anchovy, garlic, red pepper powder and green onion. The volatile flavor components generated from doenjang soup and soondoenjang soup were studied and compared with the change in the various flavors. It was confirmed that some difference of the flavor components was found in two type of soups. Doenjang soup contained a plenty of aldehydes and ketones that revealed the savory flavor. The major flavor components in the soondoenjang soup were sulfur containing compounds that appeared the highest ratio than any other types of flavors and 10 pyrazines. On the sensory evaluation, a great number of pyrazins may be considered as a characteristic of the savory flavor of soondoenjang soup, however, it was not give the reliable result. Stepwise multiple regression analysis of two type of soups indicated that aldehydes, alcohols, ketones were contributory flavor components for overall smell preference and quality preference.

A Study of Cookery of Meal in Youngjeob Dogam Euigwae of Choson Dynasty (조리면(調理面)에서 본 조선왕조(朝鮮王朝) 영접도감의궤(迎接都監儀軌)의 찬품(饌品)에 대한 고찰(考察))

  • Kim, Sang-Bo;Lee, Sung-Woo
    • Journal of the Korean Society of Food Culture
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    • v.7 no.2
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    • pp.141-148
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    • 1992
  • To analyze cookery of meal in reception dishes of Choson dynasty, studied historic book 'Youngjeob Dogam Euigwae' described feast dishes for Chinese envoy in Choson Dynasty. The results obtained from this study are as follows. Kinds of dishes served a meal generally were noodles(麵), bun stuffed with seasoned meat and vegetables(饅頭), steamed bread(床花), soup(湯), fried fish and meat(煎魚肉), dried fish and meat(切肉), minced raw meat(肉膾), slices of boiled meat(片肉), stew(蒸, 乾南), rice cake(餠), patterned savory cake(茶食), various fruits preserved in honey(正果), fried cake made of wheat flour, honey and oil(造果), fried glutinous rice cake(强精), rice gruel(粥), salted fish shrimp and etc, jerked meat(佐飯), meat fish and others broiled with seasoning(炙), cooked potherbs and potherbs(菜), pickled vegetables(沈菜), fruits(實果), soysauce mixed with vinegar and pinenut meal(醋醬), mustard(茶子), soybean sauce(民醬), honey(追淸), honey water(水正果, 正味子水) and etc.

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Studies on Traditional Buddhist Temple Food 1. Kimchi in Buddhist Temple (한국 전통사찰 음식에 관한 고찰 - 제1보 사찰김치)

  • 류시승
    • The Korean Journal of Food And Nutrition
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    • v.9 no.4
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    • pp.516-520
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    • 1996
  • This research is based on the literature and field study of buddhist the kinds; of temple kimchi and of the way how it is made. It has been spread by word of mouth to be 50 kinds of kimchi. But, according to this study. 24 kinds of kimchi or so are found to be present. The kinds of buddhist temple kimchi differ according to each area, Its condition of climate and materials mainly produced in that area. The distinctive features of buddhist temple kimchi are to use kamcho, soysauce and soybean paste instead of sugar and salted fishes. At conclusion the further study is necessary to preserve and inherit the remaining kinds of kimchi.

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Fermentation Specific Carcinogen Ethyl Carbamate in Korean Traditional Foods (한국 전통 발효식품 중의 Ethyl Carbamate 정량)

  • 정현정;권훈정
    • Journal of the East Asian Society of Dietary Life
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    • v.7 no.1
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    • pp.41-46
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    • 1997
  • Diet is generally accepted as one of the important factors in human cancer development. Ethyl carbamate has been associated with cancer for several decades and mainly found in the fermented beverages and foodstuff. The relationship between ethyl carbamate and the human health cannot be ignored especially in the areas where fermented foods consists of regular food consumption. To investigate the ethyl carbamate exposure level in Korean population, commercial fermented food samples were collected form local markets I Seoul area and home-made varieties were collected throughout the country. Following partial purification the concentration of ethyl carbamete was determined by GC/ MS. The concentration of ethyl carbamate ranged to 70 ppb in soysauce, to 10 ppb in soybean paste, and to 5 ppb in vinegars. Korean traditional alcoholic beverages showed small amount of ethyl carbamate. The estimated daily exposure of Korean population was 0~1900ng/day. It would be prudent to put efforts to minimize the formation of ethyl carbamate since the risk from the higher range exposure cannot be ignored.

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An analytical Studies on Side Dishes in the Royal Parties of Yi Dynasty (조선시대(朝鮮時代) 궁중음식중(宮中飮食中) 찬물류(饌物類)의 분석적(分析的) 연구(硏究))

  • Lee, Hyo-Gee;Yoon, Soo-Seok
    • Journal of the Korean Society of Food Culture
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    • v.1 no.2
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    • pp.101-115
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    • 1986
  • This study was designed to establish Korean food culture by analizing 17 sets of Jinyounuigue(진연의궤) Jinchanuigue(진찬의궤), and Jinjarkuigue(진작의궤) which were the records of royal party procedures in Yi dynasty. Side dishes were classified into 20 groups in this study ; Tang (場) 19, Jungol (전골) 3, J'im 18, Jun (전) 20, Jock 14, Pyunuk (片肉) 14, Cho 12, Hyae 17, Po 8, Chae 3, Bung 1, Nanri 1, Sooran 1, Sookran 1, Jaban 1, Kimchi 2, etc. all of 140 different kinds of side dishes. There was no tendency in omission or addition of food materials. Food materials were beef, pork, lamb, chicken, duck, peasant meat, dock's egg, fish, shellfishes, mollusca, curstacea, seaweeds, vegetables, fruits, beancurds, muk (a starch jelly), d'ock, muchrooms, etc. Seasonings were soysauce, pepper, sesame oil, ginger, green-onion, garlic, bean paste, ginger powder, red pepper powder, red pepper paste, salts, vinegar, honey, sesame power, etc.

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