• Title, Summary, Keyword: namul

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A Study on the Use of Seasoning for NAMUL Preparation -in salt concentration-" (나물 조리시 양념사용에 관한 연구 -염분농도를 중심으로-)

  • 양경임;우경자
    • Korean journal of food and cookery science
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    • v.3 no.2
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    • pp.17-27
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    • 1987
  • The Namul is one of the most popular and fundamental foods in the Korean meal. The taste of NAMUL depends mostly on the seasonings put on which the salt concentration is the prevailing element of them. The purpose of this study is to investigate the optimum salt concentration by sensory evaluation. The amount of each seasoning except salt was reviewed and used following many food preparation books published. Four different concentrations of salt were added to make different salt concentrations of Namuls. The results of the study are following: 1. By reviewing the related publishments, the amount of seasoning used in 300g of cooked Namul were 15.5g of welsh onion, 7.9g of garlic, 9.0g of sesame, and 11.5g of welsh onion, 7.0g of garlic, 6.0g of sesame oil, 3.3g of sesame, 13.9g of sugar, 10.6g of vinegar and 5.6g of red pepper were the main seasonings for 300g of raw Namul. 2. The optimum salt concentration of cooked Nanul was 1.412% and that of raw Namul was 1.368%. 3. The salt concentration had no effect on the texture within the salt concentrations ranges of 0.84% through 1.89% in Platycodon Namul, Radish Namul, Soybean sprouts Namul, Pumpkin Namul, Raw Radish Namlll, Raw Cucumber Namu1. 4. The more the amount of soy sauce increases, the more the palatability drops. Platycodon and Cucumber Namuls had preference of color when the amount of soy sauce added was 0.8%∼l.0% of the Namul. On the other hand, Spinach Namul had the preference up to 4.8% of the Namul. 5. The overall taste of cooked Namul was considered to be the test in the salt concentrations 1.223%∼l.513%, while that of raw Namul was considered to be best in 1.183%∼1.373% of salt concentration. 6. According to the sensory evaluation, there was a tendency that the overall taste of Namul is consistent with the preferance of saltiness in Namul.

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Study on Preferences and Consumption of Namul in Elementary School Students (경기도 지역 초등학생의 나물 섭취실태 및 영양사와의 인식차이 조사)

  • Jung, Kyung-Sook;Jeong, Hee-Sun;Joo, Na-Mi
    • Korean journal of food and cookery science
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    • v.24 no.5
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    • pp.608-616
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    • 2008
  • This paper describes a study of the conditions and reasons that elementary school children avoid the namul provided in school meals. This study was conducted with a sample of 751 fifth-grade elementary school children and 49 nutritionists working in elementary schools. Nutritionists felt the need to develop new recipes, and were taking note of leftovers in an effort to increase namul consumption. 47% of the students reported liking namul, and the majority of students who disliked namul reported that its taste was the reason that they disliked it. Nutritionists believed that the students avoided namul due to a lack in familiarity, as well as taste. However, students answered that they disliked namul not only due to its taste, but also due to its texture.

The Microbiological and Sensorial Properties of frozen bibimbap namul during storage (저장기간에 따른 냉동 비빔밥 나물의 미생물학적, 관능적 특성)

  • 한영실;박지영
    • Korean journal of food and cookery science
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    • v.17 no.2
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    • pp.149-155
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    • 2001
  • Namul cooked with the standard recipe was examined by research of microbiological test for three months and sensory evaluation of frozen namul after reheating. When the namul was freezed storage, in the microbiological test namul began to change on the 40th day, but there was no problem about stability of storage until 3 months. The overall qualities of taste, flavor, color and texture were examined by sensory evaluation of frozen namul after reheating. The pH was seemed to change slowly, its color was changed on the 20th day from the beginning of storage. Radish root represented substantial difference in texture and overall quality on the 20th day. The off-flavor of immature pumpkin stated on the 25th day. Later 10days nettle tree mushroom began to be changed in its taste, texture, overall quality and appearance, then on the 25th day it was seemed to have low preference. But oak mushroom kept its quality good for 25 days. Oyster mushroom was changed in color, appearance and overall quality on the 20th day. Bracken had low preference in taste, texture and moisture on the 25th day. The color of spinach was changed on the 15th day, and its taste on the 20th day. Soybean sprout was changed in taste, texture and overall quality on the 15th day, and overall quality marked low preference on the 25th day Root of bell flower was changed on the 25th day(p<0.05).

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A Bibliographical Study on Namul of Koryo and Chosun Dynasty (고려와 조선시대의 문헌으로 본 한국의 나물)

  • 강은주
    • The Korean Journal of Food And Nutrition
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    • v.6 no.1
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    • pp.16-24
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    • 1993
  • The "Namul" is a Korean common vegetable food composed of edible young leaves and soft stalks of wild plants or cultivating vegetables and treated with traditional condiments. It has been widely used as not only a regular diet but seasonal foods or special ceremonial foods. In this thesis, the kinds of edible plants for namul were philologically approached by books published in Korea from Koryo to Chosun dynasty. The first historical record about cultivated vegetable as food in Korea was a garlic and a gourd in $\ulcorner$Samkuksaki$\lrcorner$. According to numerous records, edible wild plants might have played an important part as food resources, since they have variable edible portions as famine relief foods. Four kinds of namul were first introduced in Koryo age, but in Chosun dynasty over eighty kinds were recorded. The root of ballonflower and white radish were most commonly used for raw namul and bamboo shoot and squash for boils ones. Most kinds of namul were introduced in $\ulcorner$Zeungtosanrimkwungiae$\lrcorner$ and $\ulcorner$Limwonsiprwukji$\lrcorner$ influenced by pragmatism in later half period of Chosun. The chronic state of famine in later half period of Chosun caused to introduce various edible wild vegetables, and had greatly influenced on the Korean people to acquire vegetarian food habits and to favor salty taste. It seems to need a further study on recent nutritional problems including dietary fiber.ary fiber.

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A Study on the Salt Contents in Foods Served by Institutional Foodservice Establishment (산업체 급식에서 제공되는 식사의 염분 함량에 관한 연구)

  • Kim, Hyun-Ah;No, Sung-Yun;Lee, Kyung-Hee
    • Journal of the East Asian Society of Dietary Life
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    • v.18 no.5
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    • pp.739-745
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    • 2008
  • This study was conducted to determine the salt-intake from meals that were served by an institutional foodservice establishment for a month. Meals (176) were classified into 12 food groups by CAN Pro 3.0. These consisted of bap 6, mandu 5, guk 29, jjigae 9, jjim 4, gui 8, jeon 5, bokeum 25, jorim 16, fried 7, namul 49, pickled 12. The average salt content of 100 g of each menu item was significantly higher in the order of pickled>jorim>bokeum>gui>namul>jeon>jjigae>jjim>fried. The average salt and sodium contents of 1 potion of menu item was significantly higher in the order of jjigae>mandu>guk>bap>jorim>pickled>bokeum>gui>fried>jjim>gimchi>namul>jeon. The average salt contents of kim-chijjigae (6.05 g), eggjorim (7.01 g), cooked namul (2.78 g) and salted pepperleaves (4.67 g) was higher than that of the other menu items served frequently in the establishment. The average intake of salt and sodium was 23.48 g (sodium 9,310 mg) a day, 7.35 g (sodium 2,960 mg) with breakfast, 7.55 g (sodium 2,990 mg) with lunch and 8.33 g (sodium 3,300 mg) with dinner. The daily salt intake was slightly higher than that of DRIs (Dietary Reference Intakes).

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Effects of Packaging Method on the Quality of Blanched Namul during Storage (포장방법에 따른 데침나물의 저장중 품질변화)

  • Jo, In-Hee;Kim, Hye-Sun;Kim, Gyoung-Mi;Kim, Jin-Sook;Kim, Gi-Chang
    • Korean Journal of Food Preservation
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    • v.19 no.3
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    • pp.328-336
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    • 2012
  • The objective of this study was to investigate the storage effects of the packaging method of blanched namul(Gosari, Torandae, Chwinamul and Siraegi). The samples were packaged with three packaging types (Vinyl packaging, sealing packaging and vacuum packaging) and were stored for 10 days at $10^{\circ}C$. The quality characteristics were evaluated via a microbiological test, hardness, pH and flavor patterns analysis. The pH values of the samples were not affected by packaging method. The total aerobic and coliform plate counts were high, in the order of vacuum packaging < sealing packaging < vinyl packaging. Vacuum packaging resulted in the highest hardness value. The flavor patterns of blanched namul by packaging type were analysed with electronic nose system equipped with 12 metal-oxide sensors, and the storage shelf life of namul was evaluated by measuring the change in volatile production. As a result, it was shown that namul in vacuum packaging had few volatile production changes with higher storage time.

Preparation and Quality Characteristics of Namul-kim bugak Using Aster yomena (쑥부쟁이를 활용한 나물김부각 제조 및 품질특성)

  • Lee, Gyeong-Eun;Park, Su-Jin;Jung, Yeon-Kwon;Go, Geun-Bae;Son, Byeong-Gil;Jeong, Ji-Suk
    • Korean journal of food and cookery science
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    • v.32 no.1
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    • pp.50-57
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    • 2016
  • In this study, kim (dried laver) bugak ("KB"), Aster yomena bugak ("SB"), and namul (vegetables)-kim bugak (combination of Aster yomena and kim) ("NB") were prepared and their quality characteristics were investigated. NB was made by slicing Aster yomena, seasoning it with perilla seeds, attaching it to kim and applying glutinous rice paste, followed by freeze-drying. SB had a higher oil absorption rate than KB, reflecting the high oil absorption rate of namul (here, Aster yomena). DPPH radical scavenging activity was highest for SB; whereas, NB had higher DPPH radical scavenging activity than KB, indicative of the higher antioxidant capacity of namul, as compared to kim. With longer storage period, moisture content tended to be increased, while maximum load, yield stress and hardness tended to be decreased. Overall preference was in the order of NB>KB>SB, without statistical significance. Acid value and peroxide value of NB, stored at $25^{\circ}C$ for 40 days, tended to be increased gradually but did not meet the criteria for rancidity. Therefore, NB could be stored at $<25^{\circ}C$ for > 40 days. Furthermore, it would be possible to make functional bugak using a variety of namul, as well as Aster yomena.

The Relationship between the Intake of Food Conformable to Each Sasang Constitution and Recognition of Irregular Symptoms of Health Condition (사상체질 유형별 적응식품 섭취도와 건강 자각도와의 관계 연구)

  • Bok Hye-Ja;Song Joo-Eun
    • Journal of the East Asian Society of Dietary Life
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    • v.16 no.1
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    • pp.1-12
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    • 2006
  • This study examine the relationship between the intake of food conformable to each Sasang constitution and the recognition of irregular symptoms of health condition. The study subjects were 362 university students nationwide, classified by heir Sasang constitution. In terms of the intakes of conformable food and the symptom recognition, the number of multiple subjective symptoms tended to rise as the Soeum type digested the conformable food. As for the kinds of food, the Soyang type showed a significant positive correlation between the intake of cucumber namul and the symptoms of eyes and skin, but a negative correlation between the intake of Chongak Kimchi and the symptoms of the digestive system The Soeum type showed a significant positive correlation between multiple subjective symptoms and the intake of Gatkimchi, fernbrake namul, naeng-i soup, naeng-i namul, Korean leek Kimchi, crown daisy namul, and curled mallow soup, a significant positive correlation between the symptom recognition of the respiratory system and the intake of fried flatfish, and chicken gomtang but a negative correlation between the symptom recognition of the eye and skin and the intake of boiled eel. The Taeum type presented the a sigmificant positive correlation between multiple subjective symptoms and the intake of spaghetti, a positive correlation between the symptoms of the respiratory system and the intake of tuna salad, a positive correlation between the symptoms of the eye and skin and the intake of mafa tofu, spaghetti, and tuna salad, a negative correlation between the symptoms of the mouth and anus and the intake of codfish jiri, and a negative correlation between the symptoms of the respiratory system and the intake of tuna salad.

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Changes on Mineral Contents of Vegetables by Various Cooking Methods (조리방법에 따른 상용채소의 무기질 함량 변화 -무청, 콩나물, 취나물을 중심으로-)

  • 한재숙;김정숙;김명선;최영희;일본명;허성미
    • Korean journal of food and cookery science
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    • v.15 no.4
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    • pp.382-387
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    • 1999
  • This study was conducted to investigate the changes of mineral contents in radish leaves, soybean sprout and chwi namul by cooking method(boiling, steaming, sauting) and cooking time(1, 3, 5 min.). The residual rate of minerals(such as Calcium, Sodium, Potassium, Iron and Magnesium) in radish leaves, soybean sprout and chwi namul by 1 minute sauting was the range of 83.2 to 99.1%. It was shown that sauting was desirable method for all three vegetables. The residual rate by the cooking method was sauting, steaming, boiling, in that order, but boiling in radish leaves and chwi namul were more desirable method than steaming for Calcium use. At the cooking method and cooking time, Potassium content in soybean sprout was reduced remarkably in 5 minutes boiling. Boiling of radish leaves and soybean sprout showed that Sodium was reduced remarkably after 5 minutes of boiling, 54.4% for radish leaves and 19.9% for soybean sprout, respectively.

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Folate retention in Namul according to various heating methods (다양한 열 처리방법에 대한 나물류의 엽산 잔존율)

  • Jung, Jae Eun;Jeong, Hea-Jeong;Hyun, Taisun;Park, Su-Jin;Chun, Jiyeon
    • Korean Journal of Food Science and Technology
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    • v.51 no.5
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    • pp.425-431
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    • 2019
  • Selected leafy vegetables, widely used for Korean Namul dishes, were heat-treated in different ways and their folate retention was investigated. The Lactobacillus casei method was applied for folate estimation and validated to ensure reliability of analytical data. The folate content in Namul highly varied, from 29.7 to $293.4{\mu}g/100g$, depending on the heating methods and the types of vegetables. Most of the Namul variants showed increased folate content on heat treatment. Frying yielded higher folate retention than the other cooking methods (blanching, steaming, baking, and panfrying), and pig weed showed the highest folate retention (3.3 times, $293.4{\mu}g/100g$). L. casei assay for folate estimation showed 95.7% recovery and relative standard deviations less than 2% for both reproducibility and repeatability, indicating good accuracy and precision. Quality of the folate assay was assured by monitoring a quality control chart and a proficiency test (z-score= -0.1) during the entire of study.