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A Study on the Influence of Sulphur-compound to Vitamin C in the different Vegetable during Cooking (유황화합물질이 조리시 야채류중의 Vitamin C 함량에 미치는 영향에 대하여)

  • 임양순
    • Journal of the Korean Home Economics Association
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    • v.12 no.1
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    • pp.472-479
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    • 1974
  • In order to study the influence of sulphur-compound on the vitamin C contents of different vegetables-i.e. Korean green pepper, leaf, Bilum, leaf, Soybean sprouts, Mung bean sprouts, Cucumber-the garlic powder and minced garlic were used while the vegetables were cooked. The results garlic juice during scaling the vegetables the vitamin C contents of them were higher as much as 9.2~12.7% 2. When the scaled vegetables were seasoned the vitamin C contents were higher as much as 8.9~`17.5% by adding garlic powder and 7.3~14.9% by adding minced garlic. 3. Vitamin C loss of the cooked vegetables with room condition for 30 min, was higher as much as 15.2~34.5% compared to just cooking. 4. Vitamin C contents of vegetables after 30 min from cooking, compared to just cooking were higher of vegetables after 30 min from cooking, compared to just cooking were higher as much as shown below. 1) ~13.3% by adding garlic powder. 2) 4.0~9.3% by adding minced garlic.

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Cancer Chemoprevention by Dietary Proanthocyanidins

  • Jo, Jeong-Youn;Lee, Chang-Yong
    • Food Science and Biotechnology
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    • v.16 no.4
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    • pp.501-508
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    • 2007
  • Proanthocyanidins (PACs), also named condensed tannins, are polymers of flavan-3-ols such as (+ )-(gallo)catechin and (-)-epi(gallo)catechin. A proper analysis of the PACs, with difficult challenges due to their complex structures, is crucial in studies of cancer chemoprevention. Cancer is a leading cause of mortality around the world. Many experimental studies have shown that dietary PACs are potential chemopreventive agents that block or suppress against multistage carcinogenesis in both in vitro and in vivo models. Cancer chemoprevention by dietary PACs has been shown effective through different mechanisms of action such as antioxidant, apoptosis-inducing, and enzyme inhibitory activities. Good sources of dietary PACs are nuts, fruits, beans, chocolate, fruit juice, red wine, and green tea. The chemopreventive potential of dietary PACs should be considered together with their bioavailability in humans. The safety issues regarding carcinogenesis and gastrointestinal disorder are also reviewed.

Physiological Characteristics and Anti-obesity Effect of Lactobacillus plantarum K10

  • Kim, Seulki;Huang, Eunchong;Park, Soyoung;Holzapfel, Wilhelm;Lim, Sang-Dong
    • Food Science of Animal Resources
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    • v.38 no.3
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    • pp.554-569
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    • 2018
  • This study aimed to investigate the physiological characteristics and anti-obesity effects of Lactobacillus plantarum K10. The ${\alpha}-amylase$ inhibitory activity, ${\alpha}-glucosidase$ inhibitory activity, and lipase inhibitory activity of L. plantarum K10 was $94.66{\pm}4.34%$, $99.78{\pm}0.12%$, and $87.40{\pm}1.41%$, respectively. Moreover, the strain inhibited the adipocyte differentiation of 3T3-L1 cells ($32.61{\pm}8.32%$) at a concentration of $100{\mu}g/mL$. In order to determine its potential for use as a probiotic, we investigated the physiological characteristics of L. plantarum K10. L. plantarum K10 was resistant to gentamycin, kanamycin, streptomycin, ampicillin, ciprofloxacin, tetracycline, vancomycin, and chloramphenicol. It also showed higher Leucine arylamidase, Valine arylamidase, and ${\beta}-galactosidase$ activities. Moreover, it was comparatively tolerant to bile juice and acid, exhibiting resistance to Escherichia coli, Salmonella Typhimurium, Listeria monocytogenes, and Staphylococcus aureus with rates of 90.71%, 11.86%, 14.19%, and 23.08%, respectively. The strain did not produce biogenic amines and showed higher adhesion to HT-29 cells compared to L. rhamnosus GG. As a result of the animal study, L. plantarum K10 showed significantly lower body weight compared to the high-fat diet group. The administration of L. plantarum K10 resulted in a reduction of subcutaneous fat mass and mesenteric fat mass compared to the high-fat diet (HFD) group. L. plantarum K10 also showed improvement in gut permeability compared to the HFD positive control group. These results demonstrate that L. plantarum K10 has potential as a probiotic with anti-obesity effects.

Isolation of Antagonistic Bacteria to Phytophthora capsici for Biological Control of Phytophthora blight of Red Pepper (고추역병의 생물학적 방제를 위한 길항세균의 분리)

  • 이용세;최장원;김상달;백형석
    • Journal of Life Science
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    • v.9 no.1
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    • pp.1-7
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    • 1999
  • To isolate of antagonistic bacteria to Phytophthora capsici, which cause Phytophthora blight in red pepper, 237 isolates of Pseudomonas spp. and 260 isolates of Bacillus spp. were screened in selective media from rhizosphere soils of red pepper at Kyongsan, Kyongju, Yongchon and Euisung in Kyongbuk. Among total 497 isolates, 8 isolates of Pseudomonas spp and 4 isolates of Bacillus spp. inhibited the mycelial growth of Phytophthora capsici above 50$\%$ . These antagonistic bacteria showed more inhibitory effect on TSA (tryptic soy agar) than V-8 juice agar. Four isolates, P0704, P1201, B1101 and B1901, showing the most prominent antagonistic activity were selected and identified as P. cepacia (P0704, P1201), B. polymyxa (B1101) and B. subtilis (B1901), respectively. Cell free filtrates of these isolates were shown to inhibit zoosporangia germination and mycelial growth of p. capsici indicating that these isolates turned out to be bacteria producing antifungal substances. As a result of antagonistic test to Phytophthora blight in green house p. cepacia (P0704) showed the highest antagonistic effect with 46.7$\%$ and the rest of them were in the range of 13.4$\%$ to 26.7$\%$ .

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Effect of Kimchi and Its Ingredients on the Growth of Helicobacter pylori

  • Jung, Keun-Ok;Kil, Jeung-Ha;Kim, Kwang-Hyuk;Park, Kun-Young
    • Preventive Nutrition and Food Science
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    • v.8 no.2
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    • pp.149-153
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    • 2003
  • Effects of kimchi and its ingredients, vitamin C and $\beta$-sitosterol on the growth of Helicobacter pylori were investigated. Three kimchi variations were studied: a standard recipe (kimchi I) and two functional variations for cancer prevention and treatment made with organically grown ingredients (kimch II and III). Methanol extracts and juices from kimchi I and III did not inhibit the growth of H. pylori. However, 10 mm and 12 mm inhibition zones were formed by methanol extract and juice from kimchi II, which had higher concentrations of red pepper powder (RPP) than those of kimchi I and III. Among the major kimchi ingredients, methanol extracts of RPP, garlic and ginger substantially inhibited the growth of H. pylori. The maximal inhibition zone (30 mm) was attained with garlic treatment. Inhibitory effects of the RPP, garlic and the sub-ingredient mixture (prepared with radish, garlic, RPP, ginger, green onion, sugar and fermented anchovy juice) on H. pylori were decreased by lactic acid bacteria fermentation. Neither the fermented garlic nor the fermented sub-ingredient mixture inhibited the growth of H. pylori. But, the inhibition Bone of fermented RPP was 12 mm, which was less than the 16 mm inhibition zone formed by the non-fermented RPP. Vitamin C and $\beta$-sitosterol which are known to be functional active compounds of kimchi also showed no inhibitory effect on the growth of H. pylori after 3 days of incubation. Further study is needed to determine why the inhibitory effect is removed or decreased by lactic acid fermentation, and to determine if fresh kimchi and lactic acid bacteria of kimchi can inhibit the growth of H. pylori.

Effect of Green Tea(Camellia sinensins) and Maesil(Prunus mime) Extracts on Endogenous Formation of N-Nitrosodimethylamine (녹차 및 매실 추출물이 N-Nitrosodimethylamine의 생성에 미치는 영향)

  • 성낙주;최선영;정미자;신정혜;김행자
    • The Korean Journal of Food And Nutrition
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    • v.15 no.1
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    • pp.16-22
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    • 2002
  • The effects of nitrite scavenging. electron donating and N-nitrosodimethylamine(NDMA) formation in vitro arid green tea(Camellia sinensis) and Maesil(Prunus mume) were studied. The green tea and Maesil extracts were tested for their nitrite-scavenging effect under the different pH conditions such as pH 1.2, 4.2 aud 6.0. The effects of nitrite-scavenging in all concentrations were diminished in the alkali condition, while its effects in the acidic condition of pH 1.2 were reached of more than 99.0% by adding above 0.5ml of green tea extract. And also, nitrite-scavenging effect by adding 3ml of Maesil extract was about 77.0%. The electron donating ability(EDA) of green tea and Maesil extracts was 70.6%, 75.1%, respectively. The formation of NDMA was very effectiveness which was inhibited 82.1%, 73.2% at reaction mixture of pH 2.5 adding 3ml of above extracts. respectively . The ground CW. TW1 and TW2 (refer to Table 1) diets were incubated with 10m1 simulated saliva and 40m1 gastric juice at 37$^{\circ}C$ for 2hrs. NDMA formation was inhibited at all levels of green tea and Measil extracts.

The Influence of Auxiliary Goods and Tooth Brushing for the Reduction of Oral Malodor (잇솔질과 구취감소보조용품제가 구취감소효과에 미치는 영향)

  • Oh, Hye-Seaung
    • Journal of dental hygiene science
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    • v.7 no.3
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    • pp.129-133
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    • 2007
  • This study was carried out to see the effect of dental auxiliary product groups being used in case of not being able to brush teeth. This study was executed for 70 students in the Dept. of Dental Hygiene of S Health College, and it was divided into the group which used brushing teeth, the one which used only dental auxiliary products, the one which did onion juice gargle, etc, and measured the effect on the reduction of oral malodor. The experimental results of the study were as below. 1) After onion juice gargle, in the experimental group A which brushed teeth, it showed lasting decrease of oral malodor until 20min since the experiment, and after 30min, the degree of oral malodor started to increase again. 2) After onion juice gargle, the result of the experimental group B which took only supplementary products such as garglin, chewing gum, intaking green tea with roasted rice & brushing a tongue and so on, was as follows. First, in case of experimental group BG which used garglin, until 30 min has passed since the experiment, it showed the lasting reduction of oral malodor as the same trend with the experimental group BG. Second, in chewing gum (experimental group BC), intaking green tea with roasted rice (experimental group BT), and brushing a tongue (experimental group BO), continuous reduction of oral malodor was shown until 10minutes has passed since the experiment, but, after 20minutes, we could see the degree of oral malodor started to increase again. 3) After onion juice gargle, in the experimental group C which only the degree of oral malodor was measured with the passage of time, neither brushing teeth nor using auxiliary goods, until 30min since the experiment, it showed the similar trend of the reduction of oral malodor with other experimental groups, but, it showed high degree of oral malodor, as compared with other experimental groups A and B.

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A Nationwide Survey on the Preference Characteristics of Minor Ingredients for Winter Kimchi (김장김치 담금시 부재료 특성 및 지역별 기호도 조사)

  • 차용준;이영미;정연정;정은정;김소정;박승영;윤성숙;김은정
    • Journal of the Korean Society of Food Science and Nutrition
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    • v.32 no.4
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    • pp.555-561
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    • 2003
  • This study was attempted to investigate preference characteristics affecting for winter kimchi. Questionnaire were collected by 646 nationwide households during 3 months from December 2000 in Korea, and the data were analyzed by SPSS program. The results were as follows: (1) Seven minor ingredients including red pepper, garlic, ginger, green onion, paste (e.g. glutinous rice, rice and/or wheat flour paste), sugar and sesame were user in high preference for making winter kimchi in that odor. Seafoods (oyster, shrimp, Alaska pollack, yellow corvenia, squid and hairtail) were also utilized for making winter kimchi related with regional characteristics. (2) Two jeotkals, anchovy and anchovy juice, were popular ingredients for winter kimchi in southern region, while shrimp jeotkal in middle region including Seoul, Chungnam, Chungbuk, Daejeon, Daegu, Gwangju and Jeju northern sand lance juice jeotkal in western region, respectively. (3) Two kimchi, green onion and leek kimchi were high favored by people in spring regardless of region, and baby radish kimchi and cucumber kimchi in summer, pony-tail kimchi and gutjuli (fresh kimchi) in autumn, respectively. Except for winter cabbage kimchi, however, dongchimi and godulbaegi (Korean lettuce kimchi) were high favorite kimchi in winter. It was estimated that Koreans consume about 80 g of kimchi per person per day.

A Study of Cultural Aspects of Kimchi in 「Banchandeungsok」 (「반찬등속」에 기록된 김치의 식문화적 고찰)

  • Lee, Sol;Ji, Myoung Soon;Kim, Hyang Sook
    • Korean journal of food and cookery science
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    • v.30 no.4
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    • pp.486-497
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    • 2014
  • "Banchandeungsok" is recipe book written by a woman from a noble family who lived in Cheongju during the late 1900s. The book has 9 among 46 Kimchi recipes. In this study, the literatures from 1700 to 1900s, "Jeungbosanlimkyeongje", "Gyuhapchongseo", "Siuijeonseo", "Buinpilji", "Bogamrok", and "Josenmussangsinsikyorijebeob" were reviewed to examine the significance of "Banchandeungsok" Kimchi in the aspect of food culture. The results are as follows. "Banchandeungsok" Kimchies were considered as typical type of Kimchi of the late Joseon, and the main ingredients include Chinese cabbage, white radish, and cucumber. Salted-fish juice was not used for making Mukimchi, Bachujjanji, Jjanji in "Banchandeungsok", and gallic, ginger, green onion were used as main spice. Therefore, "Banchandeungsok" Kimchies belongs to Damjeo (light salting) type, which is characterized by light and clear flavor of present Cheongju Kimchi. While salted-fish juice was not used for "Banchandeungsok" Kimchies, yellow corbina was used in the most of "Banchandeungsok" Kimchies. Various forms of pepper were used in "Banchandeungsok" Kimchies - green pepper, peper leaf, minced, sliced shredded and powdered red pepper. Two kinds of Kkakdugi were introduced in "Banchandeungsok", which is the first record in the literatures. A typical type of stuffed cucumber pickles and unique type of cucumber Kimchi appeared in "Banchandeungsok".