Kim, Mi-Kyo;Oh, Mi-Hwa;Youn, Soo-Hyun;Kim, Cheong-Tae;Sung, Dong-Eun;Ham, Jun-Sang;Choi, Dong-Mi;Oh, Sang-Suk
Journal of Food Hygiene and Safety
/
v.24
no.3
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pp.238-246
/
2009
Acrylamide in various food samples in Korea were monitored during the period beginning August 2006 through May 2007. A total of 471 food products that were purchased at local markets were categorized into 17 groups and analyzed for the acrylamide content by using an LC-MS/MS method. Food samples that were selected based on special consideration such as expert consultation, Korean food consumption data and food market shares were considered to be representative. There are very large variations in acrylamide levels within tested foods. Acrylamide content ranged from ND(not detected) to $4,002{\mu}g$/kg with all tested samples. Acrylamide levels are relatively high in 'cereal', 'coffee', 'potato snacks', 'biscuit', 'chocolate', and 'prune juice'. Acrylamide was also detected in fruits, vegetables, Korean traditional cookies which are considered as safe for acrylamide.
Park, Min-Jung;Yoon, Mi-Hye;Hong, Hae-Geun;Joe, Tae-Suk;Lee, In-Sook;Park, Jeong-Hwa;Ko, Hoan-Uk
Journal of Food Hygiene and Safety
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v.23
no.2
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pp.108-112
/
2008
A survey of total aflatoxin levels was conducted on 158 samples (nuts, fermented foods and their processed products) collected in local markets in Gyeonggi-do and Domestic Internet Site. The total aflatoxins were quantified by the immunoaffinity column clean-up method followed by high performance liquid chromatography (HPLC)-fluorescence detector (FLD). Aflatoxins were found in 45(28.5%) samples including 34 nuts and nut products, 7 soybean pastes, 1 meju, 1 bean product and 2 corn snacks with a range of $0.02{\sim}3.96\;{\mu}g/kg$. These results show that the contamination level of aflatoxin in foods consumed in Korea is low compared with the standard in Korea Food Code($10\;{\mu}g/kg$ as aflatoxin $B_1$). Aflatoxin $B_1$ content was increased in peanuts and com snacks during storage but it was decreased in doenjang (soybean paste).
The purpose of this study was to investigate the lift-style and eating behavior of stomach cancer patients in the Daegu and Kyungpook area, and to collect basic data for nutrition education designed to prevent stomach cancer in this community. The subjects of the study were 102 patients who were recently diagnosed as having stomach cancer at the Kyungpook National University Hospital. The control subjects were 105 persons who did not have any gastrointestinal disease, and included patients from the Department of Orthopedic Surgery and healthy volunteers. The survey, which covered the personal characteristics and eating behavior of the subjects, was conducted by individual interviews using questionnaires. It was found that the stomach cancer patients (case group) had experienced a significantly higher level of stress in their daily lives than the control group. A significantly higher proportion of the case group subjects recognized their personality as pessimistic, and had family histories of cancer, compared with the control group subjects. The cancer patients had higher preferences for salty and hot tasting foods, and tended to ingest meals faster without enough chewing, compared with the control subjects. The level of nutritional knowledge of the case group was lower than the control group, and there was a positive correlation between subjects' nutritional knowledge scores and nutritional attitude scores. Subjects' estimates of their food intake frequencies during the decade before the cancer was diagnosed revealed that the case group consumed significantly higher amounts of pickled fish, soybean paste soup and stew, cooked vegetables, beef and pork, charcoal broiled meat and alcohol, while consuming significantly lower amounts of green tea than the control group. In summary, the results of the study suggest that the stress of daily life, a family history of cancer, and a pessimistic personality might be the risk factors for the development of stomach cancer. Dietary factors which were suspected as risk factors for stomach cancer in the present study included strong preferences to salty and hot lasting foods, poor eating habits, and frequent consumption of pickled fish, soybean paste soup, cooked vegetables, beef and pork, charcoal broiled meat and alcohol. A high consumption of green tea seemed to be a protective factor against stomach cancer. The results of the study appear to provide useful data for nutritional education focussed on the prevention on stomach rancor in local residents.
Objectives : The use of health functional foods is gradually increasing. On the other hand, the use of the Korean herbal medicine is gradually decreasing. Especially children are known to have a high percentage of taking a health functional food. This study was designed to compare the use of health functional food with the reason for taking the Korean herbal medicine. Methods : The participants were 453 parents who have kids age between 3 to 6 years old from day care center in Wonju and Chungju. The questionnaire consisted of 17 questions and the survey was conducted by self-entry method. This study analyzed 374 participants' questionnaires who agreed to the survey. Results : The percentages of children's health functional food intake experience were 82.9% and they usually bought products which contain lactic acid bacteria(55.6%). The reason for consuming health functional food was to strengthen the immune system and enhance the physical strength. Most of the participants purchased health functional food from pharmacy through inaccurate information such as the internet. The percentages of children's health functional food preference were 58.5% because it is easy to take. The percentages of children's herbal medicine preference were 41.7%. There are inconveniences of taking herbal medicine because of taste and smell(68.8%). Conclusions : Therefore, it is necessary to change the formulation of the herbal medicine and increase convenience for use of the herbal medicine to preschooler(3-6 years old). In additionary, it is necessary to supply accurate and up to date information of herbal medicine taking.
Journal of the Korea Academia-Industrial cooperation Society
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v.22
no.2
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pp.368-377
/
2021
Plum is a typical fruit that is consumed processed rather than raw. In this study, we manufactured one of the processed foods, viz., plum Jangachi. In this process, the manpower-dependent seed separation and flesh cutting operations were automated by mechanizing, thereby altering the manufacturing process. Quality and Safety were assessed through microbial evaluation, analysis of color, and detection of preservatives in the plum Jangachi. Preference factors were identified through sensual evaluation. When compared with other plum Jangachi currently available in the market, our product was determined to contain 2.7±0.1 Log CFU/g total aerobic bacteria, which is slightly higher than the average of other products. This was not surprising, as the figures are due to the inherent characteristics, which were determined to be lower as compared to other commercial plum Jangachi. Other coliforms, tar dyes, and preservatives were undetected, thereby conferring satisfactory Quality and Safety. In general, there was no statistical difference in the sensual evaluation and appearance; overall, our product received better feedbacks than products on the market. Taken together, our results provide a foundation for applying the mechanization of plum-processed foods, thereby promoting the local economy in the main production area, and overall characteristics obtained are regarded sufficient in terms of market competitiveness.
Natto was produced by fermenting local soybeans Bacillus subtilis S.N.U. 816. The changes of chemical composition, enzyme activity and texture of NATTO during the fermentation were investigated. The amount of amino type and watr soluble nitrogens were increased as the fermentation progressed, although the former seemed to reach a plateau at about 20 hours of the fermentation, of the protease activity were increased until 16 hours of fermentation at which time they tended to reach plateaus. Among the inspected free sugars (fructose, glucose, sucrose, maltose), remarkable increases in the levels of fructose and glucose were observe3 after 4 hours of the fermentation. Since then their contents, however, were reduced very low as the processing went on, and sucrose contents dropped drastically to about 10% level and stayed low thereafter. Free amino acid contents of natto during 20 hours of the fermentation were or 2 times greater than those of the unfermented steamed soybean, the 24 hours ferment, respectively. Sensory evaluation revealed that 20 hours of fermentation produced the best quality products based on taste, odor, and color, considering all the data, it seems possible to conclude that the optimum of time for fermentation of natto at $42^{\circ}C$ is 20 hours.
Journal of the Korean Institute of Landscape Architecture
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v.35
no.2
s.121
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pp.81-90
/
2007
This study used the functions for public benefits as a standard for evaluating Green Tourism. By referring to the existing literature, the "function of building emotion", the "function of providing a natural environment", the "function of preserving traditional cultures", and the "function of maintaining the local community" have been selected as the measuring variables. Detailed sub-variables of each function were prepared to examine and analyze the recognition of these are the part of Green Tourists. The Green Tourists of Yangsuri in Yangpyeong, Sinnonri in Yangpyeong, and Jurokri in Yeoju participated in the survey for which 13 variables were used as measurement. The results are as follows: First, Green Tourists recognize farm villages as places for rest and relaxation and they laid great importance on the function of providing access to the natural environment. Secondly, out of the 13 measurement variables, "beautiful scenery in farm village", "making a contribution to village income", and "trust in agricultural products" greatly influenced the overall evaluation of Green Tourism. Thirdly, regarding the relationship between the functions for public benefits and Green Tourism, it was found that "facilities and activities for experiencing farming", "facilities for rest", and "beautiful scenery in farm villages" are closely related to building the emotion experienced in these villages, and that "cultivating environmentally-friendly agricultural products" and "beautiful scenery in farm village" are closely related to the function of providing access to the natural environment.
The purposes of this study were to investigate the characteristics of lifestyle and dietary habits of the colorectal cancer patients in Daegu and Kyungpook areas and to collect the data useful for nutrition education for the prevention of colorectal cancer in this community. The case subjects of the study were 123 patients diagnosed recently as colorectal cancer at Kyungpook National University Hospital. The control subjects were 182 persons who did not have any gastrointestinal diseases, including the patients from the department of orthopedic surgery and healthy volunteers. The survey covering general characteristics, life style, dietary habits, eating behaviors, and food intake frequency was administered by individual interviews using questionnaires. The results of the study suggest that high BMI, daily life stress, pessimistic personality, lack of physical activities, and familial cancer history might be the possible risk factors for the incidence of colorectal cancer. Dietary factors suspected as risk factors for colorectal cancer in the present study included strong preferences to meats, salty and fatty taste foods, low intake of water, alcohol drinking, smoking, coffee intake and irregular eating habits. A high consumption of seaweeds, green-yellow vegetables, light-colored vegetables, and green tea was suggested as a preventive factor for colorectal cancer. It is recommended to conduct more extensive and systematic surveys in the near future to reconfirm the risk factors of colorectal cancer in consideration of the characteristic food culture in this community. The results of the present study may be applied to nutritional education for the prevention of colorectal cancer for the local residents. (Korean J Nutrition 38(2): 125~143, 2005)
China has not thousands years history and culture but more than 50 times huge territory compare to Korea. Moreover, China is a multiracial country which has 56 minority races including Han race. Today's food culture of China has been established based on historic, regional, and racial features. China is located adjacent to Korea and historically has had close relationship with Korea. Moreover, China and Korea have had interaction in politic, economic, and cultural respects. In this aspect, the food culture of China has had great influence to the food culture of Korea. Therefore, this study purposed to understand the food culture of China more deeply which has been passed over, through researching food culture based on Chinese foods in five thousands historic stream. As the result of researching Chinese food by times in terms of food culture, which has been well known by only cuisine, the food culture of China had been changed by rise and fall of several dynasties. In addition, food styles had divided the south and north by inflowing western food materials and deep relation to Buddhism, Confucianism, Taoism, and the principles of yin-yang.
Rather than focusing on the general recognition of the area and extensive preference about its native cuisine, this study carried out more practical examination on the recognition of the native cuisine by presenting the more detailed introduction of the native cuisine in Hadong area. The findings of this study can be used as basic materials to devise measures for the instillation and advertisement of Hadong area's image, the development and maintenance of its native cuisine benefiting the activation of the local economy, and the reestablishment of Hadong area's native cuisine culture. First, the overall recognition of Hadong area's native cuisine was low and more consumption needs to be boosted by merchandising its foods through the strengthening of recognition. Second, correlation between this area's native cuisine was revealed and tables need to be set and menus need to be organized with this correlation in mind. Basic materials for suggestion sale were garnered. Third, given that most outside tourists visit Hadong by word mouth of all the information sources available, it is highly likely that positive word of mouth through satisfaction with native cuisine will raise the overall recognition of the area. Fourth, precise subdivision market and target market need to be specified. Though the factors like economic costs and the time required cannot be overlooked in strengthening recognition, consistent advertisement to the middle-aged people who are over 40 and live in Kyungsang-Do area will contribute to the fast rise in the recognition of Hadong area's native cuisine, leading to the possibility of economic development in the process.
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