• Korean journal of food and cookery science
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• v.11 no.5
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• pp.487-493
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• 1995

The material ratio for preparation of Kimchi in Seoul and Chung Cheong area and the pH, total acidity and NaCl concentration of properly fermented Kimchi were investigated. The kinds of Kimch prepared for the Winter were cabbage Kimchi, Kakdugi, Chonggak Kimchi, Nabak Kimchi, Dongchimi, Bossam Kimchi, and Paek Kimchi. The materials used for chbbage Kimchi were 20 to 25 of ingredients including salted fish and dhellfish. The material ratio of Kimchi was 71.9% of cabbage, 11％ of radish, 2.3-2.6% of green onion, 1.3-1.6% of garlic, 2.7-3.2% of powdered red pepper and 3.9-4.2% of salted fish. The kinds of Kimchi for Spring were cabbage Kimchi, Kakdugi, Chonggak Kimchi, Yulmu Kimchi and cucumber Kimchi. The amount of salted fish and shellfish used were decreased in Spring while vegetables of the season increased. The properly fermented cabbage Kimchi were measured of pH 4.2-4.5 and total acidity of 0.5-0.8%. The favorite concentrations of NaCl were found to be 2.3-2.7% in Winter Kimchi and 1.8-2.4% in Spring Kimchi and in watering Kimchi was shown low as 1.3-1.7%.

• Journal of the East Asian Society of Dietary Life
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• v.24 no.5
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• pp.564-571
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• 2014

This study examined elementary school students' perceptions and acceptances related to kimchi in Jecheon area. This study examined with 388 elementary school students. Demographic characteristics of subjects, perceptions and acceptances related to kimchi were surveyed by self-developed questionnaires. Exactly 54.1% of subjects ate kimchi more than once per day, whereas 2.8% of subjects never ate kimchi. With regard to location, the home showed the highest percentage. Exactly 94.3% of respondents answered that eating kimchi was good for health. For acceptance, 86.9% of respondents answered that they liked kimchi. Reasons for liking kimchi were texture and special taste in order, whereas the most common reason for disliking was spicy taste. Baechu-kimchi (Chinese cabbage kimchi) was highly preferred, whereas pa-kimchi (green onion kimchi) was not. Subjects with an extended family preferred oisobagi (cucumber kimchi). There were significant differences between the groups with balanced dietary habits and unbalanced dietary habits in terms of acceptance for chonggak-kimchi (small radish kimchi), yeolmu-kimchi, kkadugi, mulkimchi (watery kimchi) and oisobagi. Elementary school students in Jecheon area recognized the importance and necessity of kimchi in Korean meals. Exactly 23.7% answered spicy taste as the reason for liking reason while 37.3% answered spicy taste as the reason for disliking. These results suggest that various kinds of kimchi need to be developed for elementary students with different levels of spiciness in addition to continuous nutrition education about balanced dietary behaviors at school and home.

• Korean journal of food and cookery science
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• v.18 no.6
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• pp.684-691
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• 2002

The objectives of this study were to determine the consumption pattern and importance of Kimchi in our meals, and the preference of Kimchi. The 77.0% of the housewife respondents were preparing Kimchi at home. The reasons for not making Kimchi were ‘don't have time’(39.4%), ‘don't know how to make Kimchi’(18.2%) and ‘don't eat much’(18.2%). The amounts of daily Kimchi intake of the respondents were ‘less than 50g’(42.3%) or ‘50-100g’(29.8%). They are Kimchi because it was ‘delicious’(48.4%) or ‘habitual’(39.5%). The 70.0% of the respondents answered that Kimchi was important in each meal. The most respondents favored ‘moderate’ in the degree of fermentation(48.1%), hot taste(65.0%) and salty taste(72.4%). As the age of the respondents increased, they favored less sour, less hot and less salty taste. Baechu Kimchi(4.15), Chonggak Kimchi(3.89), Dongchimi(3.85), Kkaktugi(3.74), water Kimchi(3.67) were preferred by the respondents. The 73.97% of the respondents preferred Kimchi Jjigye. The 10- to 19-years old respondents preferred Kimchi Jjigye(52.8%), Kimchi pan cake(24.5%) and fried rice with Kimchi(17.0%).

• Korean Journal of Rural Living Science
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• v.5 no.1
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• pp.9-17
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• 1994

In order to survey on utilization of Kimchi, fermented vegetable food in korean families, 439 households in Kyunggi province were investigated. The results are as follows ; 1. 99% of housewives served at least 1 or more kinds of Kimchi every meal. 2. 45% of wives answered Kimchi serving was always necessary but same answered children were only 34%. 3. The taste of Kimchi was decided according to husbands(47%) in family. 4. The Kimchi preparing method was learned from their mother(65%). 5. The main kind of Kimchi was chinese cabbage Kimchi all the year round, and 88% of the subjects answered that the variety of Kimchi was different with season. 6. Almost all housewives(99%) prepared Kimchang Kimchi and 97% of subjects made 3 kinds. 7. In quantitative order, the main sorts of Kimchang Kimchi were chinese cabbage Kimchi, Dong chimee, Chonggak Kimchi and baik Kimchi. 8. The period of Kimchang Kimchi use was form Nov. to next year march(36%), and only 11% of them prepared suitable. But the excess amount of Kimchi applied other dishes and 8% of them discarded the remaining. 9. The Kimchang Kimch was kept underground(51%) and laying outdoor using Kimchang jar(32%). It was different with style of shelter.

• Journal of the Korean Society of Food Science and Nutrition
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• v.46 no.2
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• pp.244-250
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• 2017

Dimethylamine (DMA), nitrate, nitrite, and biogenic amines (BA) are precursors of carcinogenic N-nitrosamines. This study investigated contamination levels of DMA, nitrate, nitrite, and BA in various types of Korean commercial kimchi such as Baechu kimchi, Kkakduki, Chonggak kimchi, Matkimchi, ripened Baechu kimchi, and Baek kimchi. The average DMA, nitrate, and nitrite levels in Baechu kimchi were 29.7, 2,178.8, and 3.0 mg/kg, respectively. Low levels of DMA and nitrate were detected in Kkakduki. Tryptamine, putrescine, cadaverine, tyramine, and spermidine were detected in kimchi with exclusion of Baek kimchi and Chonggak kimchi. Tryptamine in Baek kimchi was only present in trace amount, and spermidine was not detected in Chonggak kimchi. The average tryptamine, putrescine, cadaverine, tyramine, and spermidine levels in Baechu kimchi were 15.0, 64.6, 18.0, 44.0, and 7.8 mg/kg, respectively. A low level of tyramine was detected in Kkakduki. In addition, contamination of N-nitrosodimethylamine (NDMA) was detected in Kkakduki at a level of $1.38{\mu}g/kg$. Daily exposure to NDMA in the consumer only group was estimated using average daily Kkakduki consumption and average body weight of the total population. The estimated daily intake of NDMA by Kkakduki was $2.31{\times}10^{-7}mg/kg\;b.w./d.$ The margin of exposure to NDMA for the general population was 259,924. Accordingly, the health risk from NDMA caused by intake of Kkakduki was considered to be very low.

• Journal of the East Asian Society of Dietary Life
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• v.23 no.3
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• pp.273-281
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• 2013

The study is being conducted to investigate the perceptions and preferences of the Korean kimchi by the Chinese international students in Jeonbuk area. Self-administered questionnaires were collected from 197 male (48.9%) and 203 female (51.1%) students. Statistical data analysis is being completed using SPSS v. 12.0. Approximately 95% of Chinese female and 91% of male students know about kimchi before coming to Korea through the Korean movies and dramas. The perceptions for kimchi according to the residence period showed a significantly difference 'kimchi is a nutritious and health food' (p<0.05), 'kimchi has good taste but too hot to eat' (p<0.05), and 'Kimchi is difficult to eat because of the smell' (p<0.05). Approximately 52% of Chinese female and 44% of male students consumed kimchi once or twice a day. The most popular form of kimchi among the 13 varieties was baech kimchi. Chinese female students preferred the 'kkakdugi' (p<0.05), 'chonggak kimchi' (p<0.05), and 'young radish kimchi' (p<0.05) more than the male students. The most liked reason was the 'refreshing taste' (44.8%) whereas the most disliked reasons were 'unfamiliar with eating kimchi' (28.7%) and 'sour taste' (24.2%). Approximately 85% of Chinese female and 60% of male students would like to experience making kimchis by themselves. Extended kimchi consumptions for Chinese answered 'not too fish-like smell' (36.0%), 'not too overly-ripe' (34.5%), 'not too sour' (25.4%), and 'not too hot' (25.4%). Therefore, in order to improve the awareness for kimchi among Chinese students, we need to relate kimchi with the taste of Chinese traditional foods.

• Journal of the Korean Society of Food Culture
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• v.15 no.2
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• pp.139-145
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• 2000

A survey on the preference of kimchi and actual amounts of kimchi intake conducted from july to october 1999 to get basic information needed for the augmentation of kimchi intake. Total 1,241 of women and men aged $10{\sim}60$ in kyung-nam area participated in this survey. Except people aged $20{\sim}30$, all of subjects, especially in people aged 60 and over, liked fresh prepared kimchi best, and then fermented kimchi. But all of subjects disliked over fermented kimchi.(p<0.001) And women$(4.3{\pm}0.9)$ liked better fresh prepared kimchi than men$(4.2{\pm}1.0)$, men$(4.0{\pm}0.9)$ liked better fermented kimchi than women$(3.9{\pm}1.1)$.(p<0.05) In subjects aged above 40, as age grow up, the preference of fermented kimchi and over fermented kimchi grew lower. All of subjects best liked chinease cabbage kimchi, and then chonggak kimchi, kakdugi, yeulmu kimchi, dongchimi in order. And women liked better nabag kimchi, yeulmu kimchi, sesame leaf kimchi, bek kimchi, cucumber kimchi, godulppegi kimchi than men and men liked better chinease cabbage kimchi, kakdugi, dongchimi than women.(p<0.05) People aged $10{\sim}20$ and above 60 disliked chonggag kimchi. The preference of kakdugi were high in people aged $10{\sim}20$, but as age grow up, the preference of kakdugi became lower.(p<0.001) The preference of nabak kimchi and dongchimi with juice were significantly high in people aged 60 and over but people aged $10{\sim}20$ disliked. Also subjects aged $10{\sim}20$ disliked significantly yeulmu kimchi, sesame leaf kimchi, green onion kimchi, bek kimchi, cucumber kimchi, mustard leaf kimchi and godulppegi kimchi and subjects aged $20{\sim}30$ disliked significantly yeulmu kimchi, mustard leaf kimchi, godulppegi kimchi(p<0.001). But subject aged 30 and older liked all kinds of kimchi. The amounts of kimchi intake in Kyung-nam area were same level of average amount(100g) of korean intake but the amounts of kimchi intake of men$(106.4{\pm}74.0)$ were more than women$(96.9{\pm}69.5)$(p<0.05)

• Microbiology and Biotechnology Letters
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• v.36 no.2
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• pp.96-100
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• 2008

Diversity of lactic acid bacteria involved in 5 Korean fermented vegetables (Cot kimchi, Dongchimi, Baechu kimchi, Oisobagi, and Chonggak kimchi) was investigated using PCR-based method. PCR primer pairs targeted the recA gene were used for the detection of 7 species of lactic acid bacteria mainly found in kimchi and Lactobacillus acidophilus involved in dairy fermentation. Lactobacillus plantarum and Lactobacillus sakei were detected in all samples tested but Lactobacillus paraplantarum, Lactobacillus pentosus, and Lb. acidophilus were not detected. Lactobacillus brevis and Leuconostoc citreum were detected only from Baechu kimchi and Leuconostoc mesenteroides was detected from Got kimchi, Dongchimi, Baechu kimchi, and Oisobagi. The difference of detected species from fermented vegetables may be originated from the difference of main materials. Lb. plantarum and Lb. sakei are supposed to be broadly involved in Korean fermented vegetables.

• Korean Journal of Food Science and Technology
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• v.31 no.4
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• pp.1071-1076
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• 1999

This study was carried out to isolate the colonies of dominant fermented bacteria from Kimchi (Korean native fermented foodstuffs) and investigate their inhibitory potentials on mutagenesis and carcinogenesis induced by N-methyl-N'-nitro-N-nitrosoguanidine (MNNG) as direct carcinogen. For this purpose, single cell gel electrophoresis technique (SCGE assay, or comet assay) which is a sensitive and rapid technique for detecting the presence of DNA strand breaks in individual cells was used. DNA damages of Kimchi isolates were compared with that of the positive control, MNNG. Among 3 isolates from Tongbaechu Kimchi, two isolates B-1 and B-2 showed antigenotoxicities (p<0.01). All 4 isolates from Yulmu Kimchi had antigenotoxicities (p<0.05). Also, 3 of 5 isolates from Chonggak Kimchi and 2 of 9 isolates from Kaktugi were antigenotoxic (p<0.05 and p<0.01, respectively).

• Culinary science and hospitality research
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• v.15 no.4
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• pp.56-72
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• 2009

The purpose of this research is to get basic information needed for the development of special kimchi for the elementary school students. A questionnaire was used to investigate the consumption and attitude of the students when they having kimchi in the school meal service. The subjects consisted of 426 elementary school students(212 boys and 214 girls) in Seongnam. The collected data were analyzed by SAS package. The frequency of having kimchi was as follows. 52.1% of the students eat kimchi in every meal time, and 97.4% eat more than once a day. However, 54.0% of the students consume more than 5 pieces($2.5\times3.0 cm$) of kimchi per meal while 17.6% 1~2 pieces. They eat more kimchi at home than at school, and the main reason is that kimchi at home is 'more tasty'(79.1%), 'more safety'(29.1%) and 'less hot and salty'(19.2%). Baechu kimchi was found to be the most favorite one in the school meal service, followed by kkakdugi, yoelmu kimchi, chonggak kimchi, oi kimchi and nabak kimchi in order. Students wanted to added apples, pineapples, pears, oranges, shrimps, cucumbers and crab flavored fish paste to kimchi. Students' most favorite foods made with kimchi in the school meal service were Kimchi bokgumbab, Kimchi mandu, Kimchi jjigae, Kimchi jumukbab, Kimchi gimbab, Kimchi bokgum, Kimchi bibimbab, Kimchi hamburger and Kimchi dongas in order. Higher grade students and boys showed higher preference for the variation foods than lower grade students and girls.