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Physicochemical and Sensory Characteristics of Mul-Kimchi (Watery Kimchi) Prepared with Red Cabbage (자색 양배추 물김치의 이화학적$\cdot$관능적 특성에 관한 연구)

  • Yang Yun-Hyoung;Park So-Hyun;Ann Sung-Mi;Kim Kyoung-Min;Kim Mee-Ree
    • Journal of the East Asian Society of Dietary Life
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    • v.15 no.5
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    • pp.574-581
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    • 2005
  • Physicochemical and sensory properties of Mul-Kimchi(warery Kimchi) prepared with red cabbage was compared with those of Chinese cabbage or white cabbage. Acidity and turbidity of red cabbage Mul-Kimchi were somewhat higher than those of Chinese cabbage one, which was due to higher soluble solid content in red cabbage Mul-Kimchi. Hunter color a value of red cabbage Mul-kimchi was very much higher than that of Chinese or white cabbage, which was consistent with the data of anthocyanin content. Free radical scavenging activity was much higher in red cabbage Mul-kimchi than in Chinese or white cabbage one. Red cabbage Mul-kimchi had higher values of hardness, fracturability and chewiness during fementation, compared with those of Chinese or white cabbage one. Sensory results showed that there was no difference in overall acceptability among three kinds of Mul-kimchi, although red cabbage one has higher scores of appearance and color than others. Best to the results of this study, it is suggested that red cabbage is a good ingredient for Mul-kimchi.

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Estimating of Transplanting Period of Highland Kimchi Cabbage Using UAV Imagery (무인비행체 영상을 활용한 고랭지배추 정식시기 추정)

  • Lee, Kyung Do;Park, Chan Won;So, Kyu Ho;Kim, Ki Deog;Na, Sang Il
    • Journal of The Korean Society of Agricultural Engineers
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    • v.59 no.6
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    • pp.39-50
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    • 2017
  • Growth monitoring of highland Kimchi cabbage is very important to respond the fluctuations in supply and demand from middle of August to early September in Korea. For evaluating Kimchi cabbage growth, it needs to classify the transplanting period of Kimchi cabbage, preferentially. This study was conducted to estimate the transplanting period of highland Kimchi cabbage from 2015 to 2016 in the main production area of highland Kimchi cabbage, Anbandegi, Maebongsan, and Gwinemi. Correlation between NDVI (Normalized Difference Vegetation Index) from UAV images and days after transplanting of Kimchi cabbage was high in early transplanting period. But because the growth curve of Kimchi cabbage showed S-type, joint use of multi-temporal linear regression equation for estimation of transplanting period was more suitable. Using application of these equations at Anbandegi, Maebongsan, and Gwinemi, we made the map of transplanting periods of highland Kimchi cabbage. Generally, highland Kimchi cabbage is harvested in sixty days later since transplanting. As a result, we could estimate the harvest time and area of highland Kimchi cabbage.

DESIGN AND PERFORMANCE EVALUATION OF A CABBAGE LOADER

  • Chang, Y.C.;Cho, S.I.;Yeo, Y.W.
    • Proceedings of the Korean Society for Agricultural Machinery Conference
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    • pp.480-488
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    • 2000
  • Cabbage is the most important vegetables in korea. The cabbage production was based on arduous human labor. A comprehensive research for substituting the human work by machines has been performed at present. In general, cabbage is cultivated on hillside in korea. The harvested cabbage in a field and carrying it to a vehicle for transportation are very laborious work. Hand labor in cabbage transportation to the market damages the quality of cabbage and is also a cause to increase the cost of cabbage production. This study was to design and evaluate a prototype cabbage loader for deserving efficient and safe transportation of cabbage. The developed cabbage loader was a semi-tracked vehicle operated by a hydraulic system, allowing the safe transporting and the loading of cabbage in a steep field. The maximum loading capacity of the loader was 1.0 ton. By using safety devices attached to the loader, the static slopes were 34.0% and 37.4% for the left and the rear roll-over, respectively. The maximum field speed was about 6km/hr with two cabbage pallets of 750kg at a 25% inclined field. The field capacity was about 35 pallets/hr in case of picking up, carrying and unloading two cabbage pallets. The field efficiency of the loader was analyzed to be more than 8 times in comparison of the conventional human labor. The developed loader would be applied for loading and carrying the other vegetables due to the similarity of operations. The study suggested a standard approach to the design of field machines operated in a steep field.

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Physicochemical Characteristics of Toha-Jeot Added Cabbage Kimchi during Fermentation (토하젓 첨가 배추김치의 숙성 중 이화학적 특성)

  • 박영희;정난희;이성숙
    • Journal of the Korean Society of Food Science and Nutrition
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    • v.30 no.3
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    • pp.426-431
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    • 2001
  • We made the Toha-jeot added cabbage kimchi with Toha-jeot, which is salt-fermented Toha shrimp in Korean traditional fermented food. The physicochemical characteristics of cabbage kimchi for 5 week fermentation at 4$^{\circ}C$ were observed. The salt content was 2.10~1.50% during the fermentation period. The salt content decreased rapidly during the first week, stayed the same level until the 4 week and then decreased after the 4 week. The pH of control kimchi and Toha-jeot added cabbage kimchi were 5.69, 5,64, respectively on preparation day. The rate of decrease of pH of Toha-jeot added cabbage kimchi was slow as the fermentation processed. The total acidity of the two kinds of kimchi was increased. The total acidity was higher from Toha-jeot added cabbage kimchi than control cabbage kimchi at the later stage of fermentation. The contents of total sugar and reducing sugar were higher from Toha-jeot added cabbage kimchi than control cabbage kimchi at the early stage of fermentation. The total sugar and reducing sugar contents of the two kinds of cabbage kimchi were decreased gradually as the fermentation processed. The ascorbic acid contents of the two kinds of kimchi were decreased slightly at the early stage of fermentation and then increased from 2 to 4 week, while there was no further change at 5 week.

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Molecular Characterization of a thiJ-like Gene in Chinese Cabbage

  • Oh, Kyung-Jin;Park, Yong-Soon;Lee, Kyung-Ah;Chung, Yong-Je;Cho, Tae-Ju
    • BMB Reports
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    • v.37 no.3
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    • pp.343-350
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    • 2004
  • A cDNA clone for a salicylic acid-induced gene in Chinese cabbage (Brassica rapa subsp. pekinensis) was isolated and characterized. The cabbage gene encoding a protein of 392 amino acids contained a tandem array of two thiJ-like sequences. ThiJ is a thiamin biosynthesis enzyme that catalyzes the phosphorylation of hydroxymethylpyrimidine (HMP) to HMP monophosphate. Although the cabbage gene shows a similarity to bacterial thiJ genes, it also shares a similarity with the human DJ-1, a multifunctional protein that is involved in transcription regulation, male fertility, and parkinsonism. The cabbage thiJ-like gene is strongly induced by salicylic acid and a nonhost pathogen, Pseudomonas syringae pv. tomato, which elicits a hypersensitive response in Chinese cabbage. Treatment of the cabbage leaves with BTH, methyl jasmonate, or ethephon showed that the cabbage thiJ-like gene expression is also strongly induced by BTH, but not by methyl jasmonate or ethylene. This indicates that the cabbage gene is activated via a salicylic acid-dependent signaling pathway. Examination of the tissue-specific expression revealed that the induction of the cabbage gene expression by BTH occurs in the leaf, stem, and floral tissues but not in the root.

Quality Properties of Jeungpyun Prepared with Cabbage (Brassica oleracea var. capitata) Powder (양배추 분말을 첨가한 증편의 품질 특성)

  • Kim, Gyu-Yeol;Yang, Mi-Ok
    • Journal of the East Asian Society of Dietary Life
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    • v.20 no.2
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    • pp.291-298
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    • 2010
  • The influence of cabbage powder on sensory acceptance and physical functions of Jeungpyun, were assessed. As fermentation continued, pH dropped and evolved carbon dioxide significantly increased. Moisture content of cabbage powder-amended Jeungpyun ranged from 51.1~55.5%, and were lower than those of control samples. Jeungpyun prepared with 8~10% cabbage powder displayed significantly lower specific volumes. As the level of cabbage powder increased, the L-value was reduced, while the a- and b-values increased. Hardness was not significantly different among the control, 2%, 4% and 6% samples. Chewiness tended to increased in proportion to the level of cabbage powder. Sensory scores were lowest for Jeungpyun prepared with 8~10% cabbage powder. The results indicate that addition of 4~6% cabbage powder to Jeungpyun produces the optimal product.

Quality Characteristics of Cabbage Rice Nutritional Bars Made with Varying Ratios of Cabbage Powder (양배추 분말 첨가비율에 따른 양배추 쌀 영양바의 품질특성)

  • Joo, Shin-Youn;Choi, Hae-Yeon
    • Korean journal of food and cookery science
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    • v.32 no.4
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    • pp.441-448
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    • 2016
  • Purpose: This study was conducted to investigate the effect of cabbage powder on the quality characteristics of rice nutritional bars. Methods: In order to analyze quality characteristics, total phenolic content, DPPH free radical scavenging activity, baking loss rate, leavening rate, specific volume, moisture content, color, texture analysis, and sensory evaluations were assessed. Results: The total phenolic content and DPPH free radical scavenging activity of rice nutritional bars significantly increased with an increase in the content of cabbage powder (p<0.05). The baking loss rate, leavening rate, specific volume, and moisture content of the rice nutritional bars were significantly reduced as the amount of added cabbage powder increased (p<0.05). As the concentration of cabbage powder increased, the lightness and redness of the bars' crust and crumbs decreased, while yellowness increased (p<0.05). In texture analysis, the control bars showed the highest hardness values. Adhesiveness, springiness, and cohesiveness values slightly decreased with higher cabbage powder content in the groups with added cabbage powder (p<0.05). When consumer acceptability was measured, rice nutritional bars prepared with 15% cabbage powder showed the highest scores in color, whereas the rice nutritional bars prepared with 20% cabbage powder showed the lowest scores in flavor (p<0.05). In characteristic intensity rating, the taste and off-flavor of rice nutritional bars significantly increased with increasing amounts of cabbage powder (p<0.05). Conclusion: Judging from our results, it can be concluded that the addition of cabbage powder to rice nutritional bars during processing can enhance consumer preference for the bars, total phenolic content, and DPPH free radical scavenging activity.

Development of a Cabbage Loader

  • Chang, Y.C.;Cho, S.I.;Park, J.G.;Yeo, W.Y.
    • Agricultural and Biosystems Engineering
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    • v.3 no.2
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    • pp.73-78
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    • 2002
  • Cabbage is one of the most important vegetable in Korea. The cabbage production was mainly based on human labor A comprehensive research fur substituting the human labor by machines has been performed until now. In general, cabbage is cultivated on hillside in Korea. Picking up the harvested cabbages in field and carrying to a vehicle fur transportation are very laborious work. Manual transportation of cabbage is likely to damage the quality and is also a cause to increase the cost of cabbage production. This study was to develop and evaluate a prototype cabbage loader fur efficient and safe transportation of cabbage. The developed loader was a semi-tracked vehicle operated by a hydraulic system, allowing the safe transportation and loading of cabbage in a steep field. The maximum loading weight of the loader was 1.0 ton. By using two sets of safety devices attached to the loader to avoid the roll-over in a steep field, the static rollover slopes were increased up to 34.0% and 37.4% fur the left and the rear direction, respectively The maximum field speed was about 6km/hr with two cabbage pallets of 750kg at a 25% inclined field. The loading capacity of the loader was about 35 pallets/hr when picking up, carrying, and unloading two cabbage pallets for one loading operation. The loading capacity was more than 8 times in comparison with the conventional human labor. The developed loader could be used fur loading and carrying the other vegetables. The study suggested a possible approach for designing the field machines operated on hillside.

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Effect of Ozone Treatment for Sanitation of Chinese Cabbage and Salted Chinese Cabbage (배추 및 절임배추의 위생화를 위한 오존살균기술의 이용)

  • Lee, Kyong-Haeng
    • Journal of the Korean Society of Food Science and Nutrition
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    • v.37 no.1
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    • pp.90-96
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    • 2008
  • To retain the fresh taste and flavor of Kimchi, ozone treatment was applied for kimchi food materials. In this study, Chinese cabbage and salted Chinese cabbage, the highest portion of Kimchi materials, were treated by ozone ($3{\sim}9$ ppm) and their microbiological and chemical characteristics were investigated. Initial number of total aerobic bacteria of Chinese cabbage and salted Chinese cabbage were $1.3{\sim}10^7$ and $7.1{\sim}10^6$ CFU/g, respectively. However, when ozone was treated, the number was decreased and this decrease of bacterial number was maintained during storage. Yeast and mold populations were $6.0{\times}10^3$ and $1.2{\times}10^3$ CFU/g in Chinese cabbage and salted Chinese cabbage, respectively; however, an ozone treatment also decreased the yeast and mold populations. Other physical and chemical characteristics of ozone treated sample such as color, hardness, contents of ascorbic acid and reducing sugar of Chinese cabbage and salted Chinese cabbage were not different when compared with control.

Determination of Bioactive Compounds and Anti-cancer Effect from Extracts of Korean Cabbage and Cabbage (배추와 양배추 추출물의 생리활성 물질 및 암세포 증식 억제효과 분석)

  • Hwang, Eun-Sun;Hong, Eun-Young;Kim, Gun-Hee
    • The Korean Journal of Food And Nutrition
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    • v.25 no.2
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    • pp.259-265
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    • 2012
  • In this study, we determined total polyphenol content(TPC) and total flavonoid content(TFC) of extracts from Korean cabbage and cabbage using a spectrophotometric method as well as glucosinolates concentration by HPLC. TPCs of Korean cabbage and cabbage extracts were 308.48 ${\mu}g$ GAE/g dry weight and 344.75 ${\mu}g$ GAE/g dry weight, respectively. TFCs of Korean cabbage and cabbage extracts were 5.33 ${\mu}g$ QE/g dry weight and 5.95 ${\mu}g$ QE/g dry weight, respectively. We found six different glucosinolates, namely progoitrin, glucoalyssin, gluconapin, glucobrassicanapin, glucobrassicin and 4-methoxyglucobrassicin in the Korean cabbage extract. In the cabbage extract, there was four glucosinolates, namely glucoraphanin, sinigrin, glucobrassicin and 4-methoxyglucobrassicin. We determined the cytotoxic effect of Korean cabbage and cabbage extracts in AGS human stomach cancer cells, HepG2 human hepatic cancer cells and LNCaP human prostate cancer cells by MTT assay. Dose-dependent relationships were found between the extract concentrations and cancer cell growth inhibition. The overall results support that both Korean cabbage and cabbage, the major vegetables in Korea, contain bioactive compounds such as polypheol, flavonoids as well as glucosinolates and they may play a positive role in cancer prevention.