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Characteristics of $Mandu$ with Ripened Korean Cabbage $Kimchi$ (묵은지 첨가에 따른 만두의 품질특성)

  • Lee, Jae-Joon;Jung, Hae-Ok;Lee, Myung-Yul;Chang, Hae-Choon
    • Food Science and Preservation
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    • v.19 no.2
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    • pp.209-215
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    • 2012
  • A new recipe for $mandu$ was developed by adding ripened Korean cabbage $kimchi$. To counter the bad smell of ripened $kimchi$ and to enhance the function of the food, rosemary was added to it. The preference for the herb over $kimchi$ was determined via a sensory evaluation. The preference was in the following order from highest to lowest: rosemary, lemon balm, and thyme. Ripened Korean cabbage $kimchi$ was added to beef or pork stuffing for $mandu$. Sensory evaluation was used to determine the optimal contents of ripened Korean cabbage $kimchi$. The result showed that 75% of the $kimchi$ content was best for beef $mandu$ and 100% for pork $mandu$.

Development of Dduk-Galbi Added with Ripened Korean Cabbage Kimchi (묵은지 김치를 첨가한 떡갈비 개발)

  • Lee, Jae-Joon;Jung, Hae-Ok;Lee, Myung-Yul
    • Food Science of Animal Resources
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    • v.31 no.2
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    • pp.304-310
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    • 2011
  • In this study, new dduk-galbi was developed by adding ripened Korean cabbage kimchi made with solar salt. Dduck-galbi was selected by pre-estimation for main dish to add the ripened Korean cabbage kimchi. To solve the bad smell of ripened Korean cabbage kimchi and enhance the function of the food, herb was added. The preference of the herb to kimchi was determined by sensory evaluation. The preference was in the order of rosemary > lemon balm > thyme. Sensory evaluation was adopted to determine optimal contents of ripened Korean cabage kimchi. The result showed that 10 % was best for beef dduck-galbi and 20 % for pork dduck-galbi.

A Study on Sensory Characteristics of Ripened Kimchi with Herbs (허브를 첨가한 묵은지 요리의 관능적 특성)

  • Ki, Young-Ho;Kim, Bok-Hee;Lee, Jae-Joon;Lee, Myung-Yul;Jung, Hae-Ok
    • Culinary science and hospitality research
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    • v.12 no.2 s.29
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    • pp.184-194
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    • 2006
  • In this study, sensory evaluation on ripened kimchi foods with herbs were carried out. Sensory evaluation indicated that rosemary was the best of all among the tested herbs. It seemed that 0.5% addition of fresh herb powder was most preferable and more than 4% addition was not acceptable. Hot spice and herb flavor was remained when kimchi dishes were prepared but it disappeared as time elapsed.

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Quality of Licorice (Glycyrrhiza uralensis) Powder Added Kimchi (감초분말첨가 김치의 품질)

  • Ko, Young-Tae;Lee, Ju-Youn
    • Korean Journal of Food Science and Technology
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    • v.38 no.1
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    • pp.143-146
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    • 2006
  • Effects of licorice (Glycyrrhiza uralensis) powder as sugar substitute on kimchi quality was evaluated by investigating acid formation, lactic acid bacteria growth, and sensory properties of licorice powder added kimchi. Initial pH of licorice powder added kimchi unripened and ripened for one day did not differ from those of other samples, but slightly increased thereafter 2-3 days ripening. Acidities of unripened and kimchi ripened for 1 day significantly increased by addition of licorice powder, while that of kimchi ripened for 2-3 days significantly decreased (p<0.05). Addition of licorice powder had no significant effect on lactic acid bacteria count of kimchi compared to sugar. Overall acceptability and taste of 0.1 and 0.2% licorice powder-added kimchi ripened for 1-3 days were similar to or slightly higher than those of reference sample, whereas addition of 1.0% licorice powder resulted in lowest overall acceptability, taste, odor, and texture. Licorice powder addition generally did not change color of kimchi.

Changes of Volatile Odor Components in Kimchi by Freeze-drying (동결건조에 의한 김치의 휘발성냄새성분의 변화)

  • Ko, Young-Tae;Kang, Jung-Hwa
    • Korean Journal of Food Science and Technology
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    • v.34 no.4
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    • pp.559-564
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    • 2002
  • Volatile odor components of ripened and ripened/freeze-dried kimchi were analyzed by gas chromatograph. As ripening temperature of kimchi increased, pH of kimchi decreased, viable cell count of lactic acid bacteria of kimchi increased up to ripening temperature of $15^{\circ}C$, and sensory properties of kimchi gradually decreased. Allyl mercaptan, methyl allyl sulfide, dimethyl disulfide, diallyl sulfide, diallyl disulfide, and ethanol were detected in ripened kimchi and ripened/freeze-dried kimchi. The amounts of allyl mercaptan, methyl allyl sulfide, diallyl sulfide, and ethanol increased as the ripening temperature increased, while those of dimethyl disulfide and diallyl disulfide decreased. Freeze-drying for 24 hr removed most of the above-mentioned volatile odor components, which were further removed by freeze-drying for 48 hr.

Effects of Licorice (Glycyrrhiza uralensis) Extract Added to Kimchi on Growth and Acid Formation by Lactic Acid Bacteria and on Quality of Kimchi (감초추출물 첨가가 김치의 젖산균 생육과 산생성 및 품질에 미치는 영향)

  • Ko, Young-Tae
    • Korean Journal of Food Science and Technology
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    • v.37 no.5
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    • pp.795-800
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    • 2005
  • Effects of licorice (Glycyrrhiza uralensis) extract (LicoS) as sugar substitute on kimchi quality was evaluated by investigating acid formation, growth of lactic acid bacteria, sensory properties, and volatile odor components of LicoS-added kimchi. pH of LicoS-added kimchi unripened or ripened for one day did not differ from other samples, but was slightly increased with two or three days ripening. Acidity of unripened kimchi or kimchi ripened for one day significantly increased by addition of LicoS, while that of kimchi ripened for two or three days significantly decreased (p<0.05). Addition of LicoS had no significant effect on lactic acid bacteria count of kimchi compared to sugar. Overall acceptability and taste of 0.05 and 0.1% LicoS-added kimchi ripened for one to three days were higher than other samples, whereas addition of 0.2% LicoS resulted in lowest overall acceptability, taste, and odor. Color of 0.2% LicoS-added kimchi (except 3 day-ripened sample) was inferior to other samples. LicoS addition had no significant effect on volatile odor components of kimchi.

Programmed Conditions of Supplying Carbon Dioxide to Keep its Desired Concentration in Kimchi Container (김치용기에서의 이산화탄소 농도 제어를 위한 주입 프로그램 조건 설정)

  • An, Duck Soon;Jo, Min Gyeong;Park, Su Yeon;Lee, Dong Sun
    • KOREAN JOURNAL OF PACKAGING SCIENCE & TECHNOLOGY
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    • v.25 no.2
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    • pp.31-35
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    • 2019
  • Kimchi is a refreshing sour food which gives sour and carbonic acid taste of carbon dioxide produced during the fermentation process. So, carbon dioxide injection was tried to raise carbonic acid taste of kimchi stored in the airtight container. First, carbon dioxide injection times of a given gas supply system were determined experimentally to attain initial concentration of 80% for different solid/liquid ratios. Since carbon dioxide is dissolved in kimchi to decrease its concentration during storage, periodical carbon dioxide injection conditions were needed and determined to keep the $CO_2$ concentration above 70%. For the initial flushing to 80% $CO_2$ concentration in model system filled with water, the injection time ranged from 40 to 89 seconds for free volumes of 2-8 L. $CO_2$ injection conditions for the under-ripened storage at $10^{\circ}C$ consisted of longer time at more frequent cycles for watery kimchi than for Chinese cabbage kimchi. At $0^{\circ}C$ of subsequent ripened stage storage of watery kimchi, the periodical injection at 3 hour interval was required because of continuous dissolution of carbon dioxide. However, Chinese cabbage kimchi did not require subsequent $CO_2$ injection during the ripened state storage and needed only flushing to 80% $CO_2$ at time of the container opening and closing. These results can be used as basic information for the programmed control of $CO_2$ injection in the kimchi container system.

Quality Characteristics of Kimchi with Added Purified Licorice(Glycyrrhiza uralensis) Extract (감초정제물 첨가 김치의 품질특성)

  • Lee, Su-Hyun;Ko, Young-Tae
    • Korean journal of food and cookery science
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    • v.22 no.5 s.95
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    • pp.609-616
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    • 2006
  • The effects of purified licorice (Glycyrrhiza uralensis) extract (PLE) as a sugar substitute on kimchi quality were evaluated by investigating acid formation, growth of lactic acid bacteria, sensory properties, and volatile odor components of PLE-added kimchi. The pH of kimchi with higher amounts of added PLE increased slightly with two or three days ripening. The acidity of unripened kimchi or kimchi ripened for one day significantly increased with addition of PLE, while that of kimchi ripened for two or three days decreased significantly (p<0.05). Addition of PLE had no significant effect on the lactic acid bacteria count of kimchi compared to that of sugar. Overall acceptability and taste of 0.005 or 0.01% PLE-added kimchi ripened for two to three days were higher than those of other samples, whereas addition of more than 0.01% PLE to kimchi unripened or ripened for one day resulted in lower overall acceptability and taste than the reference sample. Diallyl sulfide and methyl trisulfide were newly produced by ripening of kimchi, and the amounts of some volatile odor components in kimchi were also changed during ripening.

Antioxidative effects of Kimchi under different fermentation stage on radical-induced oxidative stress

  • Kim, Boh Kyung;Choi, Ji Myung;Kang, Soon Ah;Park, Kun Young;Cho, Eun Ju
    • Nutrition Research and Practice
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    • v.8 no.6
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    • pp.638-643
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    • 2014
  • BACKGROUND/OBJECTIVES: Kimchi is a traditional Korean fermented vegetable containing several ingredients. We investigated the protective activity of methanol extract of kimchi under different fermentation stages against oxidative damage. MATERIALS/METHODS: Fresh kimchi (Fresh), optimally ripened kimchi (OptR), and over ripened kimchi (OvR) were fermented until the pH reached pH 5.6, pH 4.3, and pH 3.8, respectively. The radical scavenging activity and protective activity from oxidative stress of kimchi during fermentation were investigated under in vitro and cellular systems using LLC-$PK_1$ cells. RESULTS: Kimchi exhibited strong radical scavenging activities against 1,1-diphenyl-2-picrylhydrazyl, nitric oxide, superoxide anion, and hydroxyl radical. In addition, the free radical generators led to loss of cell viability and elevated lipid peroxidation, while treatment with kimchi resulted in significantly increased cell viability and decreased lipid peroxidation. Furthermore, the protective effect against oxidative stress was related to regulation of cyclooxygenase-2, inducible nitric oxide synthase, nuclear factor-${\kappa}B$ p65, and $I{\kappa}B$ expression. In particular, OvR showed the strongest protective effect from cellular oxidative stress among other kimchi. CONCLUSION: The current study indicated that kimchi, particularly OptR and OvR, played a protective role against free radical-induced oxidative stress. These findings suggest that kimchi is a promising functional food with an antioxidative effect and fermentation of kimchi led to elevation of antioxidative activity.

Changes in pH, Sensory Properties and Volatile Odor Components of Kimchi by Heating (가열에 의한 김치의 pH, 관능성 및 휘발성냄새성분의 변화)

  • Ko, Young-Tae;Baik, In-Hee
    • Korean Journal of Food Science and Technology
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    • v.34 no.6
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    • pp.1123-1126
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    • 2002
  • Kimchi was ripened at $25^{\circ}C$ for 4 days and heated at $100^{\circ}C$ for 10 or 40 min. pH of the ripened kimchi was not changed by heating, whereas sensory properties of kimchi, including overall acceptability, acidity, taste, odor, and texture, were improved, particularly by $100^{\circ}C/40$ min-heating. Allyl mercaptan, methyl allyl sulfide, dimethyl disulfide, diallyl sulfide, diallyl disulfide, and ethanol were detected in the ripened kimchi. Volatile odor components except ethanol and methyl allyl sulfide were removed by heating at $100^{\circ}C/10$ min, and the ethanol content was further reduced by heating at $100^{\circ}C/40$ min.