• Journal of the Korea Academia-Industrial cooperation Society
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• v.21 no.4
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• pp.117-125
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• 2020

This study was conducted to investigate differences in self-efficacy, self-esteem, and vitality related to physical exercise and health consciousness. A descriptive research design, x² test, and t test were used. Data were collected from May 1 to June 30, 2019, at K city. Participants were 220 nursing students of mean age 23.7 years; 187 (85.5%) were women, 99 (45.0%) exercised regularly; 138 (62.7%) were positive about their health Ed. Note: Please confirm that these edits convey your intended meaning. The scores Ed. Note: This is not clear. Here, do you mean "mean scores of all participants"? of self-efficacy of health and body were 2.93±0.35 and 3.16±0.37, respectively; self-esteem, 2.94±0.43; and vitality, 3.78±0.52. There were significant differences in self-efficacy of health (t=3.68, p=<.001), motor function (t=5.39, p<.001), psychological function (t=2.10, p=.037), nutritional function (t=2.50, p=.013), efficacy of health management (t=2.37, p=.019), and vitality (t=12.63, p=<.001) related to physical exercise. Self-efficacy of health (t=3.73, p=<.001), motor function (t=3.29, p=.001), psychological function (t=4.01, p<.001), nutritional function (t=2.62, p=.009), efficacy of health management (t=2.51, p=.013), self-efficacy of body (t=2.59, p=.010), self-esteem (t=3.91, p=<.001), and vitality (t=2.92, p=.004) were related to health consciousness. Physical exercise and previous experience of body weight loss contributed to enhanced self-efficacy of health and vitality and health consciousness contributed to enhanced self-efficacy of health and body, self-esteem, and vitality.

• Journal of the Korean Society of Food Science and Nutrition
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• v.35 no.6
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• pp.690-697
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• 2006

This study has been carried out to estimate mean concentration and the daily intake of 2 artificial sweeteners (aspartame and sucralose) by analyzing food samples. Total number of samples was 755 and the number of samples detected for sweeteners was 33 (detection rate was 4.4%). Contribution rate to total estimated daily intake (%) of artificial sweeteners in food categories was high in candy for aspartame and sucralose. Total Estimated Daily Intakes $({\Sigma}EDI)$ for different age groups were high in $13{\sim}19$ years old for aspartame and $7{\sim}12$ years old for sucralose. Total estimated daily intakes $({\Sigma}EDI)$ of men and women were 5.10 mg/person/day and 4.88 mg/person/day, respectively. Total estimated daily intakes $({\Sigma}EDI)$ of artificial sweeteners were shown as follows; 3.75 mg/person/day for aspartame and 1.27 mg/person/day for sucralose, respectively and assuming a body weight of 55 kg. These values were ranged from $0.15{\sim}0.17%$ of acceptable daily intake (ADI) evaluated by FAO/WHO and $1.0{\sim}21.4%$ of theoretical maximum daily intake (TMDI), and therefore, judged to be safe.

• Journal of the Korean Society of Food Science and Nutrition
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• v.18 no.4
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• pp.375-388
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• 1989

The study was designed to examine the of effects of level of protein intake on Cu metabolism in 6 healthy young adult women. The subjects were given 4 levels of protein diet, 0.45g (period I), 0.60g (period III), 0.75g (period II) and 0.90g (period IV) of protein per Kg of body weight and 0.86mg 0.70mg, 1.86mg and 2.34mg of Cu per day for 5 days respectively. During the experimental period, urine sample were collected everyday and fecal sample were collected for last 2 days of each dietary period. The samples were analyzed for Cu contents. Mean daily urinary Cu excretion were $0.12{\pm}0.03mg$ for period I, $0.16{\pm}0.02mg$ for period III, $0.35{\pm}0.08mg$ for period II and $0.11{\pm}0.02mg$ for period IV, and the mean daily urinary excretion of Cu was not affected significant difference by the level of protein intake. Mean daily fecal Cu excretion were $0.12{\pm}0.03mg$ for period I, $0.16{\pm}0.02mg$ for period III, $0.35{\pm}0.08mg$ for period II and $0.11{\pm}0.02mg$ for period IV, and the mean daily urinary excretion of Cu was not affected significant difference by the level of protein intake. Mean dailey Mean dailey fecal Cu excretion were $1.23{\pm}0.16mg$ for period I, $1.28{\pm}0.25mg$ for period III, $0.99{\pm}0.01mg$ for period II and $1.85{\pm}0.19mg$ for period IV, and the difference of the 2 periods I vs IV was significant(p<0.05). Mean dailey cu balance were $0.48{\pm}0.14mg$ for period I, $0.74{\pm}0.26mg$ for period III, $0.52{\pm}0.12mg$ for period II and $0.38{\pm}0.20mg$ for period IV, and the difference of the 2 periods I vs IV was significant(p<0.05).

• Journal of the Korean Society of Food Science and Nutrition
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• v.36 no.6
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• pp.720-726
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• 2007

This study was performed to investigate effects of raw sea tangle products on idiopathic constipation. A total of thirty-eight women participated voluntarily in this study. They were placed into one of four groups by their total colonic transit time (TCTT) to make the four groups have the same TCTT. In the first trial, the subjects in Control group were fed 3 times of 150 mL of mineral water per day for 2 weeks, those in +Control group were fed a kind of stool softener as well as the same mineral water for 3 times, those in STT group were fed 3 times of 150 mL of sea tangle tea and those in STB group were fed 3 times of 150 mL of sea tangle beverage. After 6 weeks, a second trial was performed for another 2 weeks. Although the TCTT of the group exposed to of KolomarkTM was not significantly reduced, the subjects in STT group answered that their evacuation activities were significantly improved; evacuation frequency was increased, stool hardness was reduced, evacuation straining was lessened, stool amount was increased, incomplete sense of evacuation was lessened, and major evacuation time was improved like those in +Control group. The results imply that it is worthy to develop some products of raw sea tangle such as STT, which are effective in treating or preventing constipation.

• Journal of the Korean Society of Food Science and Nutrition
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• v.44 no.5
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• pp.702-708
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• 2015

The aim of this study was to investigate the physicochemical characteristics of commercial Mukeunji product along with its sensory properties. Six different types of commercial Mukeunji products were purchased through an on-line market, and each product had a different fermentation period. General commercial Baechu Kimchi was compared with commercial Mukeunji products in order to standardize quality properties of Mukeunji. As a result, commercial Mukeunji showed a lower pH value (pH 3.96, mean value) than commercial Baechu Kimchi (pH 5.92), whereas commercial Mukeunji samples showed higher acidity and salinity. Color values (L, a, and b) of commercial Mukeunji decreased as the storage period increased. Hardness and thickness of commercial Mukeunji showed a lower range compared to Baechu Kimchi. The reducing sugar content decreased as the storage period of commercial Mukeunji increased. Acetic, lactic, and succinic acids were detected in commercial Mukeunji samples, whereas citric acid and malic acid were additionally detected in Baechu Kimchi. Commercial Mukeunji samples showed lower contents of acetic and succinic acid and higher content of lactic acid than Baechu Kimchi. Commercial Mukeunji samples showed a significant difference in all descriptive sensory attributes except for bitterness. Overall intensity, sourness, moldy odor, redness, sour smell, saltiness, and carbonated taste increased as the storage period increased, whereas cabbage flavor, crispiness, sweetness, firmness, and savory taste decreased as the storage period increased.

• Korean Journal of Community Nutrition
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• v.19 no.6
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• pp.527-536
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• 2014

Objectives: The aim of this study was to assess how nutrient intakes are related to risk factors for metabolic syndrome according to dietary patterns in the middle-aged adults. Methods: The subjects (n = 187; 47 men, 140 women) consisted of middle-aged adults over 30 years old in Ilsan area. The metabolic syndrome was diagnosed according to the data collected from each subject, including anthropometric measurements and blood analyses. The dietary patterns were derived from the average of two-day dietary intake data. Results: Factor analysis identified three major dietary patterns which were "Meats and alcohol", "Mixed grains, vegetables and fruits", and "Rice, Kimchi and fish & shellfish". The daily intakes of energy, protein, and sodium increased across quartiles of "Meats and alcohol" pattern scores (p < 0.05), whereas the intakes of carbohydrates, potassium, calcium, and fiber increased across quartiles of "Mixed grains, vegetables and fruits" pattern scores (p < 0.001). The "Meats and alcohol" pattern scores were positively correlated with protein and sodium intakes but inversely correlated with carbohydrates, fiber and potassium intakes which were adjusted for age, sex and energy (p < 0.05). The highest quartile pattern score of "Meats and alcohol" pattern had elevated odds ratio of abdominal obesity and metabolic syndrome (p < 0.05). The risk of hypertriglyceridemia decreased in the highest quartile of "Mixed grains, vegetables and fruits" pattern (OR 0.35, 95% CI 0.12-1.00). Conclusions: Our results suggested that reducing the consumption of meat and alcohol along with increasing fruits, vegetables and mixed grains would be helpful for preventing the metabolic syndrome and chronic diseases.

• Korean Journal of Fisheries and Aquatic Sciences
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• v.12 no.4
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• pp.225-234
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• 1979

For the effective utilization of diverse and abundant resource of seaweeds in Korea as a food protein supplment, extraction conditions of water, salt, and alkali soluble proteins were investigated in previous work(Ryu and Lee, 1977: Lee et al., 1977: Lee et al., 1978). The present study as a part of the serial work was thus aimed to find the conditions of isolation and purification of extracted proteins, and to evaluate the nutritional quality of the isolated seaweed proteins in terms of amino acid composition, chemical score, protein score, modified essential amino acid index(MEAAI), and in vitro digestibility presented as pepsin-pancreatin digest residue index (PPDRI). As for the isolation of extracted proteins, TCA treatment was more effective for the proteins from rhodophyceae and Chlorophyceae while the precipitation at isoelectric point was more desirable for Phaeophyceae proteins. In amino acid composition, water soluble protein fraction was superior to the other fractions in Porphyra suborbiculata whereas both water and alkali soluble fractions seemed to bo more benefitial for Enteromorpha linza and Ulva pertusa; the extraction with alcohol-alkali mixed solvent for Undaria pinnatifida and Sargassum fulvellum. Glutamic acid and aspartic acid content was particularly high in all protein fractions examined. The total amino acid content of Porphyra suborbiculata and Enteromorpha linza was almost equivalent to that of dried whole egg although the essential amino acid content was lower. A comparative analysis was made on the inedexes between raw seaweed powder and isolated protein. Chemical score of Porphyra suborbiculata and Ulva pertusa was approximately 35 and 56 in cafes of raw powder and isolated protein respectively while only 10 to 16 for raw powder of Undaria pinnatifida and Sargassum fulvellum and 30 to 35 for their isolated proteins. Protein score of all isolated proteins was in the range of 63 to 73 which indicates that isolated protein would be mere valuable than the fern of raw seaweed powder. Digestibility by means of PPDRI was found to be extremely low in case of raw powder but it could be doubled in case of isolated protein yielding 67 to 70 for Porphyra suborbiculata and Ulva pertusa.

• Journal of the Korean Geographical Society
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• v.31 no.3
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• pp.469-488
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• 1996

The defining of weather forecasting regions is possible. since the representativeness of regional weather can by reasonably clarified in terms of weather entropy and the use of information ratio. In this paper, the weather entropy and information ratio were derived numerially from using the information theory. The typical weather characteristics were clarified and defined in the homogeneous weather forecasting regions of the southern parts of Korea. The data used for this study are the daily precipitation and cloudiness during the recent five years (1990-1994) at 42 stations in southern parts of Korea. It is divided into four classes of fine, clear, cloudy and rainy. The results are summarized as follows: 1. The maximum value of weather entropy in study area is 2.009 vits in Yosu in July, and the minimum one is 1.624 bits in Kohung in October. The mean value of weather entropy is maximal in July, on the other hand, minimal in October during four season. The less the value of entropy is, the stabler the weather is. While the bigger the value of entropy is, the more changeable the weather is. 2. The deviation from mean value of weather entropy in southern parts of Korea, with the positive and the negative parts, shows remarkably the distributional tendency of the east (positive) and the west (negative) in January but of the south (positive) and the north (negative) in July. It also clearly shows the distributional tendency of the east (postive) and the west(negative) in the coastal region in April, and of X-type (southern west and northern east: negative) in Chiri Mt. in October. 3. In southern parts, the average information ratio maximaly appear 0.618 in Taegu area in July, whereas minimally 0.550 in Kwangju in October. Particularly the average information ratio of Pusan area is the greatest in April, but the smallest in October. And in Taegu, Kwangju, and Kunsan, it is the greatest in April, January, and July, but the smallest in Jyly, July, and pril. 4.The narrowest appreance of weather representativeness is in July when the Kwangju is the center of the weather forecasting. But the broadest one is in April when Taegu is the center of weather forecasting. 5. The defining of weather forecasting regions in terms of the difference of information ratio most broadly shows up in July in Pusan including the whole Honam area and the southern parts of Youngnam when the Pusan-Taegu is the basis of the application of information ratio. Meanwhile, it appears most broadly in January in Taegu including the whole southern parts except southern coastal area.

• Analytical Science and Technology
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• v.24 no.3
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• pp.173-182
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• 2011

This research examined prostanozol and its metabolites in urine of women who took the medicine (prostanozol). Prostanozol and its metabolites were successfully separated and detected by using LC/ESI/MS and GC/TOF-MS. Mass spectrum of LC/ESI/MS estimated molecular weight of Prostanozol and its metabolites and that of GC/TOF-MS verified them. For M1, carbon number 17 of Prostanozol substituted to a keto group and it is called 17-keto-Prostanozol. M2 turned out to be hydroxy-17-keto-Prostanozol. It came from substitution of one hydroxyl group of pyrazole nucleus and A-ring of M1. Substitution of one hydroxyl group of B-ring or C-ring became M3, hydroxy-17-keto-Prostanozol. M4 was found to be a hydroxy-17-keto-Prostsnozol transposed from one hydroxyl group to a D-ring. M5 has a hydroxyl group of carbon number 17. One hydroxyl group is substituted from B-ring or C-ring and it is assumed to be hydroxy-17-hydroxy-Prostanozol. M6 was turned out to be dihydroxy-17-keto-Prostanozol transposed from one hydroxyl group to pyrazole nucleus or A-ring and to B-ring or C-ring. Like M6, M7 has a keto group at carbon number 17 and was identified as dihydroxy-17-keto-Prostanozol. M7 has one hydroxyl group at pyrazole nucleus or A-ring and also at D-ring. At last M8 was found to be dihydroxy-17-hydroxy-Prostanozol. Pyrazole nucleus or A-ring has got one hydroxyl group and other rings were substituted to another hydroxyl group. From above, M5, M7 and M8 were verified as new metabolites that were not discovered yet. Prostanozol and all of the 8 metabolites formed glucuronic conjugates as a result of conjugation reaction test in human body. Some of 8 metabolites were excreted without forming conjugates. Particularly M6 and M7 were excreted as sulfate conjugates.

• THE INTERNATIONAL COMMERCE & LAW REVIEW
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• v.78
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• pp.93-117
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• 2018

In all countries of the world, the development of trade is an important factor for the survival of the national economy. Increased export will lead to national economic growth. Export is directly linked to employment, and the industrial structure will be developed in the direction to produce products of comparative advantages. Therefore, every country around the world is trying to promote export regardless of the size of its economy. Accordingly, this paper focused on the promotion of export of domestic companies. It proposed to cultivate trade experts to promote export of domestic companies. The following five methods were proposed to materialize the proposal. First, it is important to foster trade experts to expand and foster the one-person creative companies. In particular, it is important to develop a professional education curriculum. It is necessary to design and conduct a systematic curriculum throughout the process including follow-up after education such as teaching detailed procedures for establishing a trade business, identification of relevant regulations and related organizations, understanding of special features of each exporting country, and details of exporting procedures through specialist training for the individual industries, helping themto keep their network steady so that they can easily get help from consultants. Second, it is necessary to educate traders working in the field to make them trade experts and utilize themin on-the-job training and consulting. To do this, it is necessary to introduce systematic consultant selection process, and to introduce a systemto educate and manage them. It is because, we must select the most appropriate candidates, educate themto be lecturers and consultants, and dispatch themto the field, in order to make the best achievement in export. Nurturing trading professionals utilizing the current trading workers to activate export of domestic companies can be more efficient through cooperation of trading education agencies and related agencies in various industries. Third, it is also proposed to cultivate female trade experts by educating female trade workers whose career has been disrupted. It is to provide career disrupted women with opportunities to work after training them as trade professionals and to give manpower pool to domestic companies that are preparing for export. Fourth, it is also proposed to educate foreign students living in Korea to be trading experts and to utilize them as trading infra. They can be trading professionals who will contribute to the promotion of export. In the short term, they will be provided with opportunities for employment and start-upin the field of trade, and in the mid- to long-term, they may develop a business network between Korea and their own countries. To this end, we need to improve the visa system, expand free trade education opportunities, and support them so that they can establish small but strong enterprises. Fifth, it is proposed to proactively expand trade education to specialized high school students. Considering that most of domestic companies pursuing activation of export are small but strong companies or small and mediumsized companies, they may prefer high school graduates rather than university graduates because of financial limitations. Besides, the specialized high school students may occupy better position in the job market if they are equipped with expertise in trading. This study can be meaningful, in that it is the first research that focuses on cultivating trading experts to contribute to the export activation of domestic companies. However, it also has a limitation that it has failed to reflect the more specific field voices. It is hoped that detailed plans will be derived from the opinions of the employees of domestic companies making efforts to become an export company in the related researches in the future.