• Title/Summary/Keyword: Mustard Leaf Kimchi

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Changes in Pungent Components of Dolsan Leaf Mustard Kimchi during Fermentation (돌산 갓 김치 숙성 중 매운맛 성분의 변화)

  • 전순실;최옥자;조영숙;박석규;박정로
    • Journal of the Korean Society of Food Science and Nutrition
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    • v.24 no.1
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    • pp.54-59
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    • 1995
  • Compositional changes in pungent components of Dolsan Leaf Kimchi during fermentation were investigated. Major volatile compounds identified in the kimchi were 3-isothiocyanate-1-propene(allyl isothiocyanate, AITC) di-2-propenyl disulfide, 1-methoxy-2-butanol, 4-isothiocyanate-1-butene and dimethyl trisulfide. The contents of allyl isothiocyanate and 4-isothiocyanate-1-butene decreased, while dimethyl trisulfide increased during fermentation and storage. 1-methoxy 2-butanol increased at the initial stage of fermentation, showing highest at 2~3 days, and decreased thereafter. Di-2-propenyl disulfide decreased after 5 days and increased after 10days of storage. Total glucosinolate content increased by 3days and decreased from 4days of storage.

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Quality Characteristics of Dolsan Leaf Mustard Kimchi Added with Seasoning of Sea tangle and Lentinus edodes (다시마와 표고버섯 혼합조미농축액 첨가에 따른 돌산갓김치의 품질특성)

  • Oh, Sun-Kyung;Kim, Ki-Woong;Park, Wook-Min;Kim, Nam-Hee;Bae, Sang-Ok;Choi, Myeong-Rak
    • Journal of Life Science
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    • v.25 no.5
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    • pp.557-567
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    • 2015
  • To increase the marketability of Dolsan leaf mustard Kimchi, seasonings were prepared by sea tangle and Lentinus edodes. Gat Kimchi A (GK-A) and Gat Kimchi B (GK-B) were prepared by addition of complex seasoning with Sea tangle (CSS), complex seasoning with Lentinus edodes (CSL), respectively and evaluated the quality characteristics. GK-A contained high minerals and dietary fiber and showed the effect of delaying pH-lowering and acidity-rising. There were no significant differences in salinity test after 70 days. Reducing sugar of test groups was higher than control. During the fermentation, Leuconostoc sp. was grown in GK-A and GK-B than control. Growth of control's Lactobacillus sp. increased 20 days after. Up to 30 days, lightness of control was high. Yellowness were increased browning potential in GK-B, 20 days after. From the initial to 10 days, Hardness of GK-A showed higher than the others. glutamic acid and aspartic acid content of GK-A was higher significantly than the others in the entire fermentation period (p<0.05). At 0, 10, 30 days, sweet-tasty amino acids of GK-A showed a significantly higher level than the others (p<0.05). From 10 days to 40 days of fermentation, the sensory evaluation of GK-A is better than the other groups. Comprehensively reviewed the above results, the conclusion is as follows: CSS made with sea tangle as a main ingredient. GK-A by seasoning the CSS to 90 g GK-A is expected as a new Dolsan leaf mustard products that can provide flavor and nutrition to the consumer at the same time.

Enhancement of Anticancer Activities of Kimchi by Manipulating Ingredients

  • Kim, Ju-Youn;Rhee, Sook-Hee;Park, Kun-Young
    • Preventive Nutrition and Food Science
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    • v.5 no.3
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    • pp.126-130
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    • 2000
  • To enhance the antitumor activity of Chinese cabbage kimchi, four kinds of kimchi, which ere differently prepared in kinds and levels of sub-ingredients, were fermented at 15$^{\circ}C$ for 1 day and then at 5$^{\circ}C$ up to pH 4.3. The solid tumor formation, hepatic glutathione S-transferase activity and glutathione contents in the liver, and natural killer (NK) cell activity of spleen were determined from the sarcoma-180 cell injected Balb/c mice that were treated with methanol extracts of the kimchi samples. Kimchi IV, prepared with organically cultivated Chinese cabbage, red pepper powder, garlic, Chinese pepper powder mustard leaf and heat processed salt (Gueun salt), reduced the tumor formation by 39.3% compared to the sarcoma-180 cell treated group, resulting in the smallest tumor weight. Methanol extracts of the kimchi III and kimchi IV recovered the activities of hepatic glutathione S-transferase(GST) that was decreased by the transplantation of the sarcoma-180 cells to th mice. The injections of methanol extracts of kimchi II and kimchi IV increased glutathione contents in sarcoma-180 cells treated mice. The methanol extract of kimchi IV increased the natural killer (NK) cell activity of spleen lymphocytes a more effectively (p<0.05) than those the other kimchi samples. These results suggest that the anticancer activities of kimchi can be increased by changing the kinds and levels of sub-ingredients.

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A Comparative Study of Salinity in Packaged Kimchi, Bulk Kimchi and Common Foods in Korea (한국에서 시판되고 있는 포장.비포장 김치와 상용 식품의 염도 비교)

  • Rho, Sook-Nyung;Yun, Mi-Eun
    • Journal of the Korean Dietetic Association
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    • v.15 no.1
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    • pp.69-76
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    • 2009
  • To determine the salinity of packaged Kimchi, bulk Kimchi and other common foods, we collected samples of foods from the Gyeonggi province area in October 2006 and determined the salinity levels in one serving portion. The average salinity of all foods was 0.226${\pm}$0.212%. The average salinity of all Kimchi samples was 0.401${\pm}$0.260. The average salinities of soups, stews, protein containing side dishes, vegetable side dishes and drinks were 0.153${\pm}$0.085%, 0.691${\pm}$0.213%, 0.151${\pm}$0.102%, 0.209${\pm}$0.121% and 0.080${\pm}$0.016%, respectively. The average salt intake of one serving of Kimchi was 0.125${\pm}$0.041 g, while the average salt intakes of one serving of the soups, stews, protein containing side dishes, vegetable side dishes and drinks were 0.306${\pm}$0.170 g, 1.382${\pm}$0.426 g, 0.094${\pm}$0.061 g, 0.146${\pm}$0.089 g, and 0.159${\pm}$0.152 g, respectively. The salinity of packaged Kimchi was significantly higher than the salinity of the bulk Kimchi (p < 0.01). In addition, the salinity of the liquid and solid stem portions of the packaged Kimchi was significantly higher than the salinity of the same sized portions of the bulk Kimehi (p<0.01). Furthermore, the salinity in the liquid and solid stern portions of the packaged mustard leaf Kimchi were significantly higher than the salinities of other types of Kimchi (p < 0.0001). The salinity of all Kimchi is higher than that of soup, protein containing side dishes, vegetable side dishes or drinks, but the salt content of one serving of Kimchi is lower than those of the soups or stews or vegetable side dishes or drinks (because one serving size of Kimchi is usually smaller than that of the other foods).

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Physicochemical Properties of Dongchimi Added with Gatt (Brassica juncea)

  • Park, Jung-Eun;Moon, Sung-Won;Jang, Myung-Sook
    • Food Science and Biotechnology
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    • v.14 no.1
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    • pp.21-27
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    • 2005
  • To improve Dongchimi (watery radish kimchi) quality and preservation, 0, 3, 5, 10, and 15% of gatt (Brassica juncea; leaf mustard) per radish was added. Chemical characteristics were determined during fermentation at $10^{\circ}C$ for 45 days. Total acidity increased slowly by addition of gatt during initial fermentation period, and 15% treatment showed lowest total acidity. Total vitamin C content increased initially in all treatments depending on gatt content, and decreased thereafter. Period for reaching maximum value was delayed by addition of gatt. Highest total vitamin C was found in 15% treatments. In the case of reducing sugar, 5% treatment showed highest contents. Lactic, succinic, and tartaric acid contents consistently increased during fermentation, while those of malic and citric decreased. Turbidity and total solid contents of Dongchimi liquid increased in all treatments as fermentation proceeded, although the extent was rather suppressed by addition of gatt. Colorimetric lightness values decreased, while the initial increased and then decreased in redness and yellowness. Addition of gatt at above 15% weight level per radish accelerated fermentation at the later fermentation stage thus it should be avoided. Most changes in typical characteristics of fermentation were similar depending on treatments. More acceptable Dongchimi could be prepared by fermenting at 5% gatt concentration under given conditions.

Measuring the Factor Influencing Tourist Preferences for Leaf Mustard Kimchi (관광객의 갓김치에 대한 선호도에 미치는 영향요인 평가)

  • Jeong, Hang-Jin;Kang, Jong-Heon
    • Journal of the Korean Society of Food Culture
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    • v.21 no.4
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    • pp.414-419
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    • 2006
  • The purpose of this study was to measure the factor influencing tourist preferences for leaf mustard iimchi. Among 250 questionnaires, 230 questionnaires were utilized for the analysis. Frequencies, conjoint model, max. utility model, BTL model, Logit model, K-means cluster analysis, and one-way ANOVA analysis were used for this study. The findings from this study were as follows. First, the Pearson's R and Kendall's tau statistics showed that the model fitted the data well. Second, it was found that total respondents and three clusters regarded taste and price as the very important factor. Third, it was found that the first cluster most preferred product with light red color, plain package, and mild taste sold at a cheap price in factory. The second cluster most preferred product with light red color, plain package, and moderately pungent taste sold at a expensive price in factory. The third cluster most preferred product with dark red color, shaped package, and highly pungent taste sold at a cheap price in factory. Fourth, it was found that the first cluster most preferred simulation product with light red color, shaped package, and mild taste sold at a cheap price in factory. The second cluster most preferred simulation product with light red color, shaped package, and moderately pungent taste sold at a cheap price in factory. The third clutter most preferred simulation product with dark red color, shaped package, and highly pungent taste sold at a cheap price in factory.

Effects of Kimchi Extracts on Production of Nitric Oxide by Activated Macrophages, Transforming Growth Factor $\beta$1 of Tumor Cells and Interleukin-6 in Splenocytes

  • Kim, Kwang-Hyuk;Kim, So-Hee;Park, Kun-Young
    • Preventive Nutrition and Food Science
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    • v.6 no.2
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    • pp.126-132
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    • 2001
  • Methanol extracts form four kinds of kimchi, which were differently prepared in kinds and levels of sub-ingredients, were given to Balb/c mice for 3 weeks (0.5 mg/kg/day). Peritoneal macrophages isolated from mice treated with kimchi extracts and saline were stimulated by lipopolysaccharide (LPS). K3 and K4 kimchis, containing more red pepper powder, garlic, Chinese pepper powder, mustard leaf and organically cultivated Korean cabbage, significantly increased NO production by the activated macrophages (p<0.05). K1, K2, K3 and K4 kimchi extracts (0.01, 0.1, 1.0 $\mu\textrm{g}$) significantly reduced the increased TGF-$\beta$1 production of H.pylori lysate (0.01 $\mu\textrm{g}$)-activated human epithelial RPMI 2650 cells (5$\times$10$^{4}$ cells/mL) at 24 and 48 hrs of treatment (p<0.01). However, the decreased TGF-$\beta$1 $\alpha$ production of RPMI 2650 cells by H. pylori lysate increased by treatment with kimchi extract for 72 hrs. Especially, K4 kimchi (containing organically cultivated Korean cabbage and more ingredients, modulated TGF-$\beta$1 production of H. pylori lysate-activated RPMI 2650 cells to the normal level (control) by treatment for 48 hrs. The treatment of K1 and K4 kimchi enhanced the LPS (0.01 $\mu\textrm{g}$/mL)-induced IL-6 production of splenocytes. The results suggest that kimchi might have an beneficial effect on cancer prevention due in part to the function enhancing NO production of activated macrophages. Our data suggest that kimchi could modulate TGF-$\beta$1 production by cancer cells and IL-6 production of splenocytes, thereby possibly contributing to control carcinogenesis and the immune system.

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Effect of Lactic Acid Bacterium on Antioxidative and ACE inhibitory activity in Dolsan Leaf Mustard Kimchi (유산균 농도가 돌산갓김치의 항산화효과 및 ACE 저해활성에 미치는 효과)

  • 최명락;유은정;임현수
    • Journal of Life Science
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    • v.13 no.1
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    • pp.59-66
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    • 2003
  • The bacterial strain was isolated from the 4th day's fermented Dolsan Leaf Mustard Kimchi(DLMK) at $20^{\circ}C$/TEX>. It was used as Kimchi starter, and then its physiological activity was investigated for 50 days at $4^{\circ}C$/TEX> and $10^{\circ}C$/TEX> The physiological activity of DLMK was examined for both antioxidative and Angiotensine Converting Enzyme(ACE) inhibitory activity. In the starter-inoculated DLMK(1 X $10^{10}$ CFU/mL) at 4 and $10^{\circ}C$, the optimal ripening period was more shortend than that of control(without starter) up to about 5.6 and 5 times, respectively. The maximal antioxidative activity in the starter-inoculated DLMK(1 X $10^{10}$ 10 CFU/mL) at 4 and $10^{\circ}C$ were 67% and 75%, respectively. The yield of cell concentration per day($lnX_{max}$/$t_{max}$) and the yield of antioxidative activity per day($P_{max}$/t$t_{max}$) had a linear relationship. Also, the yield of antioxidative activity per day was increased with increasing the concentration of inoculated bacterium. By adding 1 X $10^{10}$ CFU/mL at 4 and $10^{\circ}C$, the ACE inhibitory activity of DLMK was maximal. The rates of inhibiting activities were 52% and 76%, respectively. Consequently, physiological activities were significantly affected by the inoculation concentrations of starter, but bacterium itself was not appeared the physiological activity. We assume that the bacterium metabolizes certain materials in DLMK and released compounds such as glucosinolates or its metabolized forms from DLMK show the antioxidative and ACE inhibitory activity.

GC-MS Analysis of the Extracts from Korean Cabbage (Brassica campestris L. ssp. pekinensis ) and Its Seed

  • Hong, Eunyoung;Kim, Gun-Hee
    • Preventive Nutrition and Food Science
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    • v.18 no.3
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    • pp.218-221
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    • 2013
  • Korean cabbage, a member of the Brassicaceae family which also includes cauliflower, mustard, radish, and turnip plants, is a crucial leafy vegetable crop. Korean cabbage is harvested after completion of the leaf heading process and is often prepared for use in "baechu kimchi", a traditional Korean food. Many of the components in Korean cabbage are essential for proper human nutrition; these components can be divided into two groups: primary metabolites, which include carbohydrates, amino acids, fatty acids, and organic acids, and secondary metabolites such as flavonoids, carotenoids, sterols, phenolic acids, alkaloids, and glucosinolates (GSLs). Using gas chromatography-mass spectrometry, this study examined the variety of volatile compounds (including isothiocyanates) contained in Korean cabbage and its seed, which resulted in the identification of 16 and 12 volatile compounds, respectively. The primary volatile compound found in the cabbage was ethyl linoleolate (~23%), while 4,5-epithiovaleronitrile (~46%) was the primary volatile component in the seed.

Bile Salts Degradation and Cholesterol Assimilation Ability of Pediococcus pentosaceus MLK67 Isolated from Mustard Leaf Kimchi (갓김치에서 분리된 Pediococcus pentosaceus MLK67의 담즙산 분해능 및 콜레스테롤 동화능)

  • Lim, Sung-Mee
    • Korean Journal of Microbiology
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    • v.47 no.3
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    • pp.231-240
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    • 2011
  • The objective of this study was to evaluate the acid and bile tolerance, bile salt hydrolase (BSH) activity, and cholesterol assimilation ability of lactic acid bacteria isolated from mustard leaf kimchi. MLK11, MLK22, MLK27, MLK41, and MLK67 were relatively acid- and bile-tolerant strains, with more than $10^5$ CFU/ml after incubation in simulated gastric juice and intestinal fluid, while MLK53 was the most sensitive strain to acid and bile. Strains MLK22 and MLK67 deconjugated the highest level of sodium glycocholate with more than 3.5 mM of cholic acid released, while deconjugation was lowest by strains MLK13 and MLK41 which released only 1.35 mM and 1.16 mM, respectively. Specially, strains MLK22 and MLK67 showed higher deconjugation of sodium glycocholate compared to sodium taurocholate and conjugated bile mixture. Although strains MLK22 and MLK67 exhibited maximal BSH activity at the stationary phase, MLK22 had somewhat higher total BSH activity compared to MLK67 towards both sodium glycocholate and sodium taurocholate. Meanwhile, cholesterol removal varied among tested strains (p<0.05) and ranged from 5.22 to 39.16 ${\mu}g$/ml. Especially, MLK67 strain assimilated the highest level of cholesterol in media supplemented with 0.3% oxgall, cholic acid, and taurocholic acid (p<0.05). According to physiological and biological characteristics, pattern of carbohydrate fermentation, and 16S rDNA sequence, strain MLK67 that may be considered as probiotic strain due to acid and bile tolerance and cholesterol-lowering effects was identified as Pediococcus pentosaceus MLK67.