This study was conducted to assess the information of food safety by college students according to mass-media reports. To accomplish this, a survey was conducted to investigate the preference and reliability, of primary mass-media sources of BSE information, and BSE-related knowledge of college students. The most common sources of media by male and female students were terrestrial television(60%), the internet(21%) and newspapers(11%) and terrestrial television(60%), newspapers (18%) and the internet(17%), respectively. The reliability of media of male students were terrestrial television(53%) and the internet(40%), while for female students these values were terrestrial television(55%) and internet(37%), respectively. In the case of male students, the primary sources of information regarding BSE were terrestrial television(54%) and the internet(38%), but for female students the primary sources were terrestrial television(57%) and the internet(37%). Both male and female students were found to have less knowledge regarding prions, SRM, and MM type genes associated with BSE when compared to the other factors associated with this disease. In addition, the important determining factors for the food purchase of male and female students both were the orders of taste, hygiene, price. The preferences for meats and the beef-alternative meats of male and female students were the orders of pork, chicken. Based on these results, greater efforts should be made to provide meaningful information regarding the safe production and distribution of meats.
Objective: This study investigated the effect of fermented biogas residue (FBR) of wheat on the performance, serum biochemical parameters, and meat quality in pigs. Methods: We selected 128 pigs (the mean initial body weight was $40.24{\pm}3.08kg$) and randomly allocated them to 4 groups (1 control group and 3 treatment groups) with 4 replicates per group and 8 pigs per pen in a randomized complete block design based on initial body weight and sex. The control group received a corn-soybean meal-based diet, the treatment group fed diets containing 5%, 10%, and 15% FBR, respectively (abbreviated as FBR5, FBR10, and FBR15, respectively). Every group received equivalent-energy and nitrogen diets. The test lasted 60 days and was divided into early and late stages. Blood and carcass samples were obtained on 60 d. Meat quality was collected from two pigs per pen. Results: During the late stage, the average daily feed intake and average daily gain of the treatment groups was greater than that of the control group (p<0.05). During the entire experiment, the average daily gain of the treatment groups was higher than that of the control group (p<0.05). Fermented biomass residue did not significantly affect serum biochemical parameters or meat quality, but did affect amino acid profiles in pork. The contents of Asp, Arg, Tyr, Phe, Leu, Thr, Ser, Lys, Pro, Ala, essential amino acids, non-essential amino acids, and total amino acids in pork of FBR5 and FBR10 were greater than those of the control group (p<0.05). Conclusion: These combined results suggest that feeding FBR could increase the average daily gain and average daily feed intake in pigs and the content of several flavor-promoting amino acids.
It is possible that veterinary medicines remain in livestock food products, according to the use of many and various veterinary medicines to protect against disease when livestock animals are breed in limited space. Concentrated and continuous monitoring of residues is needed due to increases in resistance to antibiotics and side effects by eating livestock food products. We developed an analysis method for detecting streptomycin, dihydrostreptomycin, neomycin, gentamicin and spectinomycin in meat using LC/MS/MS and measured sensitivity, precision, accuracy, linearity and recovery according to CODEX guidelines to acquire confidence in the analysis method. Based on the results, we acquired good sensitivity compared to the maximum residue limit (MRL) as limits of detection (LOD) were 0.002-0.016 mg/kg and limits of quantification (LOQ) were 0.006-0.050 mg/kg. The analysis method satisfied the CODEX guidelines. The linearity ($r^2$) values of aminoglycoside antibiotics were 0.9936-0.9980, recoveries were 60-110% and relative standard deviations (RSD) were within 15%. As a result of monitoring for residues in a total 250 samples of livestock foods such as pork, chicken, and beef by the confirmed method, dihydrostreptomycin and gentamicin were detected in 5 pork samples. The residues of these antibiotics were within the MRLs. Thus, the detection ratio was 2% as 5 samples were identified from 250 samples.
To evaluate food consumption patterns of first generation Korean-American in Hawaii, questionnaires were developed using sociodemographic questions and food frequency questionnaire, which included 139 food items most often consumed among Korean foods and American foods. The questionnaires surveyed 157 first generation Korean-Americans in Hawaii. Mean daily servings for the first generation Korean-Americans were calculated for 139 food items combined into 41 food groups based on similarity in nutrient composition and serving size. The food groups which were consumed in amounts over one serving per day for all subjects were rice, Kimchi , non-citrus fruit , vegetables, organge/green vegetables. oil. margarine and coffee/tea. All subjects consumed less than one serving of hotdogs, hamburgers, pizza and pancakes per week(0.14 serving per day). The most notable characteristic of food consumption for first generation Korean-Americans was that they consumed more Korean food such as rice, Kimchi, soybean paste(Deenjang), soybean curd and seaweed than American foods. Compared with other groups based on age and gender, younger men showed significantly(p<0.05) more frequent consumption of beef/pork, sausages /hams /bacons and hambergers. Older men were significantly(p<0.05) more likely to consume Doenjang and less likely to consume pizza and hamburgers. Daily servings were below the recommended level for thegrains /bread/cereals group and fats/oils/sweets group for all subjects . Fruits/vegetables group servings exceeded the recommeded 5 daily servings for younger men. In correlations of daily servings of selected foods among Korean foods and American food with sociodemographic characteristics, this study showed that the older the subjects and the shorter the stay in Hawaii, subjects were more likely to consume Kroean foods.
The effects of packaging methods on the quality of beef and pork jerky samples prepared Korean- style were investigated in terms of their pH, water activities ($A_w$), thiobarbituric acid (TBA) values, total bacterial counts, and sensory evaluations during storage at room temperature ($25^{\circ}C$ for 90 days. The jerky was subjected to plastic packaging and vacuum packaging conditions at $25^{\circ}C$ Levels of pH slightly decreased during storage (p<0.05), but there was no significant difference between the packaging methods. (p>0.05) Also, water activity decreased as storage time passed (p<0.05), and vacuum packaging resulted in a higher water activity value than plastic packaging. The hardness value of the jerky in plastic packaging was higher than that in vacuum packaging (p<0.05). In addition, hardness and TBA increased over the storage periods (p<0.05). The total bacterial counts in of the vacuum packaged jerky were lower than those of the plastic packaged jerky. The vacuum packaging treatments had higher scores than the plastic packaging treatments for all sensory traits. Based on our findings, we conclude that vacuum packaging is a more effective storage method than plastic packaging for jerky.
The purpose of this study was to apply the activity-based costing (ABC) model to restaurant menu costing. The overhead cast of six entr${\acute{e}}$es in XYZ restaurant was calculated for all levels of activity. When comparing activity-based costing with traditional costing applied to BBQ pork rib and an assorted seafood platter, the total difference of costs between two items was 2,191 won in activity-based costing and 600 won in traditional costing. The average food cast percentage of the six entr${\acute{e}}$es was 27% using traditional costing, while the average activity-based cost percentage was 40%. Therefore, there was a 13% difference between the actual margin volume and the expected margin volume. The application of activity-based costing to the restaurant industry would be a milestone from a cost point of view as well as from a process point of view. In particular, the limitation that traditional costing only accounts for food costs could be overcome b considering the overhead cost as an important part of the cast structure. Furthermore, activity-based costing would not only help to reduce the costs associated with the process of analyzing the activities but it would also provide more accurate cost information for menu pricing.
Kim, Tae Pyoung;Kim, Tae Won;Lee, Jong Hoon;Kim, Mun-Bae
Korean Journal of Veterinary Service
/
v.44
no.3
/
pp.125-131
/
2021
Benzimidazole is an widely used anthelmintics in livestock clinics. The aim of present study was to investigate benzimidazole residues in the meat in Sejong City. A total of 338 samples of meat(beef 287, pork 37, chicken 14) were selected from the laboratory meat(Korean beef genetic test, hygiene test) supplied to school in Sejong City. Representative benzimidazole class drug such as thiabendazole, 2-amino albendazole sulfone, fenbendazole, oxfendazole, and oxfendazole sulfone were monitored in samples by using lc-ms/ms and the analysis was preformed based on the Korea Food Code guideline. Limit of quantitation (LOQ) was ranged from 0.56 to 3.02 ppb for target drugs and the accuracy was within the acceptance criteria. Among the sample analyzed only one case, the pork meat was found to have drug levels that exceed LOQ. However, the overall residue concentration was 2.17 ppb, which was lower than the maximum residue levels (100 ppb).
The purpose of this research was to develop healing food dishes for the vitalization of forest healing tourism in agricultural areas by enhancing satisfaction of food experiences by visitors to Mount Chungnyeong, Jangseong. Results from site visitation by three professors from food-related departments, association opinions, Jangseong-gun policies, and research materials relating to healing foods were applied for the preparatory experimental cooking, and the final dishes were selected through a food demonstration event. As a result of observation during the site visitation, the main dishes of the subject restaurant appeared to be limited to Samchae Bibimbap, Samchae Ddeokgabi, and Korean set menu items, revealing a limited selection for tourists and referencing a failure to induce customer attraction and long-term stay. Development of a menu conforming to the image of forest healing at Mount Chungnyeong is desperately needed. As a result of applying the results of the surveys from visitors to Mount Chungnyeong, the types of dishes preferred appeared to be Korean table d'hote and Bibimbap, and pork was preferred as the $entr{\acute{e}}e$. The characteristics of preferred dishes appeared to be based on tradition and regionality. Thus, Forest Healing Savory Dish, Yellow Health Dish, and Samchae Kalguksu applying the policy direction of the Yellow City, Jangseong-gun and the image of Jangseong-gun based on Confucianism were developed. Tourists may further enhance the effectiveness of forest healing through foods based on dishes by adding traditional taste using seasonal food ingredients and local specialties, which can contribute to the vitalization of forest healing tourism.
Kim, Eun-Mi;Seo, Sang-Hee;Lee, Min-A;Kwon, Ki-Hyun;Jun, Gi-Hong
Journal of the Korean Society of Food Culture
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v.25
no.3
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pp.251-261
/
2010
This paper examines the dining tendencies of Koreans toward meat dishes and their related factors, with 301 people residing in Korea as subjects. We questioned this population on their restaurant choices, eating habits, preferences and a dislike with respect to method of cooking. All age groups, with the exception of 50~60 year-olds, were found to consume meat dishes in specialized restaurants. The selection factor for restaurants varied, depending on the age group: affordable cost was the most important factor for whom under 20 year-old. Whereas 20-40 year-old people considered taste and ambience the most for choosing restaurant. The 50-60 year-old people found to seek for convenient restaurant. In terms of the most preferred parts of beef, 20-30 year-old people preferred tenderloin (42.3%) while 40-60 year-old people preferred sirloin (45.6% and 41.2% each). All the other age groups preferred ribs the most (It was also found that) men preferred the rib parts and women preferred tenderloin. With respect to pork, all age groups preferred pork belly, with the highest response rate in the under 20 age group. When consuming meat dishes, 91.0% of respondents pointed to roasting as the most frequent preparation method, the reason being good taste was deemed the highest number of responses. In a survey on preference for stewed meats, 74.8% of the sample pool was found to prefer stew dishes but 24.9% of respondents provided negative answers, the reason for dislike was found to be poor taste for women, and both a long preparation time and poor taste for men. In fact, regardless of marital status, a high number of responses were given for poor taste as the reason for disliking stew dishes. Based on the examined factors for inconveniences in preparing meat dishes, the most common inconvenience factor was the odor of meat left on clothes after the dining experience, followed by the smoke generated in roasting meat, and the safety risk involved with changing the grill. In terms of stir fry preparation, the negative thoughts were due to the splashing of food and spices while cooking, followed by the meat odor left on clothes after dining experience, and the sanitation level of the cooking containers. For deep frying the sanitation level of cooking containers was the biggest reason for dislike, followed by splashing of food when preparing. Lastly, it was indicated that the problem of steaming method was a difficulty of judging the portion, on the top of this, people found that the sanitation level of cooking container and a long preparation time were also the problem of this cooking method.
The Journal of Korean Medicine Ophthalmology and Otolaryngology and Dermatology
/
v.16
no.3
/
pp.210-219
/
2003
Objectives : This study is to suggest a kind of guide line of dietary therapy in allergic diseases. Methods : We investigated frequency, symptoms and implicating foods of food allergy, and experience, methods, periods, results and necessity of dietary therapy of 49 patients with allergic diseases by using self-report questionnaires. The data were analyzed by SPSS/PC+ program using frequency, Chi-square test(p〈0.05) and Pearson correlation coefficient(p〈0.01). Results : 1. The frequency of food allergy was 49% and skin symptoms were the most common. 2. The most implicating foods were chicken, flour, milk, pork and egg in order. 3. 36.7% of patients had experienced dietary therapy and 47.4% of them had stated mild improvement. 4. Over 80% of patients perceived necessity of dietary therapy and there is significant correlation between necessity of dietary therapy and sum of food allergens(r=368). Conclusions : Dietary therapy is recommended as supplementary therapy in allergic diseases and it needs to be established based on the real conditions and Korean Oriental medical theory.
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