A growing interest in health has been leading to more interest in function of food rather than its taste and nutrition. Usually we think chemical-free or oriental food to be good for health. Yaksun is a food with herbal stuff, which reflects our desire for health and longevity and China's splendid food culture. It is based on the traditional medical thought of the Orient that both medicine and food have the same origin. Yaksun is a traditional functional or nourishing food with both nutritive and medicinal elements, which therefore provides such effects as epicurean pleasure, prevention of diseases and improvement of health. It is recorded that in China there was a dietitian in the royal court from the period of Seoju(B.C. 11∼7), who was responsible for supervising and controlling the health, nutrition and disease of an emperor. Therefore, herbal food has a very long history. Currently, there are many Yaksun stores in Japan and Taiwan as well as China, which are one of popular tourist destinations. Basically Yaksun follows the theory of the Oriental medicine. Yaksun is categorized into four(cold, cool, hot and warm) according to its temperature and into five basic tastes(bitter, sweet, pungent, salty and sour). Yaksun has the functions such as preventing diseases and aging improving internal organs, and healing diseases. In China many colleges of medicine have a department of Yaksun studies through which systematic researches have been being made since a long time ago. For Korea, the discipline of Yaksun studies is still at the beginning stage. To respond to a growing interest in health and prevent chronic adult diseases, it is required to develop a functional food by establishing a systematic theory of Yaksun and making more researches into it.
Journal of the Korean Society for Nondestructive Testing
/
v.23
no.4
/
pp.315-321
/
2003
The integrity of the turbine rotors can be assessed by measuring the material properties at service temperature. In order to evaluate the remanent life of turbine rotor steel nondestructively, a measurement system of reversible magnetic permeability using an alternating perturbing magnetic field was constructed. We present a new non-destructive method to evaluate the remanent life of 1Cr-1Mo-0.25V steel using the value of reversible magnetic permeability. This method is based on the existence of reversible magnetic permeability in the differential magnetization around the coercive field strength. We measured the first harmonics voltage induced in a coil using a lock-in amplifier tuned to an exciting frequency. The Results of reversible magnetic Permeability and Wickers hardness on the aged samples show that the peak interval of reversible magnetic permeability (PIRMP) and Vickers hardness decreases as aging time increases. A softening curve is obtained from the correlation between Vickers hardness and the PIRMP. This curve can be used as a non-destructive method to evaluate the remanent life of turbine rotor steel.
In a model reaction using lysyl oxidase purified partilally from bovine aorta, effect of L-ascorbic acid AsA on the oxidative reaction of lysine in collagen was investigated. Addition of Ash to the reaction mixture under aerobic conditions resulted in the decrease of enzymatic activity. In order to examine the specificity of AsA in the oxidative reaction of lysine, other reductants including A derivatives instead of AsA were added to the reaction mixture. Thiol such as glutathione had no effect on the activities of lysyl oxidase. on the other hand, it was observed that erythorbic acid, which was a stereoisomer of AsA, had the same inhibitory effect on this oxidative reaction as AsA. Moreover, by the addition of 3,4-dihydroxybenzoate, which was structural analog of AsA, the activities decreased in a similar manner to that of AsA. These results indicate that the regulatory effect of AsA on lysyl oxidase is attributed to characteristics of the structure. From the determination of Ash remained in the reaction mixture, it is shown that AsA concentration remarkably decreased by lysyl oxidase of the reaction mixture. It is hypothesized that endiol groups reduces the enzyme-bound $Cu^{+2}$ required for further progress of the reaction, and suggests that AsA regulates specifically the reduction of $Cu^{+2}$ required to oxidize lysyl oxidase. This findings support that AsA has an important regulatory role on the oxidative reaction of lysine and on changes of collagen cross-links with aging.
Kim, Ze-Uook;Lim, Chun-Sun;Hur, Byung-Suk;Park, Woo-Po;Chun, Ho-Nam
Applied Biological Chemistry
/
v.32
no.4
/
pp.362-366
/
1989
For the effective use of soymilk residue(SR), by-product of soymilk production, Wheat Doenjang made of Wheat flour-SR koji(WFSR koji) and soybean was manufactured. As the results, the contents of reducing sugar were increased till 50 days in all samples and decreased thereafter during aging of the mash. The contents of amino nitrogen were prominently increased till 50 days, but increasing ratio was slightly slowdowned thereafter. The higher the mixing ratio of SR was, the less the contents of reducing sugar and amino nitrogen were. The contents of total acid were also prominently increased till 40 days, but were slowdowned thereafter and the differences among all treatments were small. As the mixing ratio of SR was increased, the yellowness and the redness were increased and the lightness was decreased in 80 days aged samples. In sensory evaluation of 90 day aged samples, control [WFSR koji 100 (WF: SR ; 100 : 0), soybean 100] was the best in soy sprout Doenjang soup. As the mixing ratio of SR was increased, the taste was dropped slightly but no significant differences were obtained between control and sample A[WFSR koji 125 (WF: SR ; 100 : 25), soybean 75], sample B[WFSR koji 150(WF: SR ; 100 : 50), soybean 50] and sample C[WFSR koji 175 (WF: SR ; 100 : 75), soybean 25], sample C and sample D[WFSR koji 200(WF: SR ; 100 : 100), soybean 0].
In order to prepare liqueur of Acanthopanax koreanum, changes in major constituents by soaking below 0.5 cm size dried sample 700 g in 10 l of $15{\sim}95%$ spirit solution for 70 days were investigated. Color b was increased according to lower ethanol concentration and longer soaking periods. Extract was increased gradually with soaking periods, and the content was $0.6{\sim}0.7%$ (w/v) with stem, $1.0{\sim}1.5%$ (w/v) with root. Eleutheroside B and E were extracted rapidly within 20 days of soaking, moreover were increased according to ethanol concentration within 15% to 70%. Acantoic acid was extracted rapidly $2.8{\sim}22.6\;{\mu}g/ml$ with stem, and $560{\sim}1,700\;{\mu}g/ml$ with root within 5 to 10 days. For preparation of liqueur of Acanthopanax koreanum, it is necessary to soak more portion of dried root with $60{\sim}80%$ ethanol concentration for $30{\sim}50$ days, and then to blend after aging for 13 weeks.
Objective : The purpose of this study is to present the epidemiological data on patients with a stroke admitted to Department of Acupuncture & Moxibustion, Oriental Medical Hospital Kyung Hee University and to investigate the difference between preceding diseases of stroke. Methods : We reviewed medical records of 700 patients with a stroke admitted to Department of Acupuncture & Moxibustion, Oriental Medical Hospital, Kyung Hee University. Results: The incidence of cerebral infarction was 6.7 times that of cerebral hemorrhage. The incidence in males was 1.28 times of that in females. The incidence of stroke increased with aging and more cerebral hemorrhage occured in lower age group than cerebral infarction. There was higher morbidity in October, during the changing of the seasons, than any other months. Hypertension was the most common preceding disease followed by diabetis mellitus, heart disease, hyperlipidemia, and according to Odds's ratio for Male/Female, the probability of having preceding diseases was higher in females than males. In cerebral infarction, MCA territory was the most frequent lesion sites. Of the cerebral hemorrhage, basal ganglia (60%) was the most commonly involved site which was followed by thalamus(33.3%), cortex (3.3%) and subcortex (2.2%). The most common symptom accompanied by stroke was motor dysfunction which was followed by verbal disturbance, urination disorder and dysphagia. Conclusion : This study showed the trends of stroke in Oriental medical center. We expects that Multicenter cooperative and prospective study including Oriental Medicine will be inspired by this study for establishing more accurate chacteristics of stroke in Korea in the future.
Craniofacial asymmetry was analyzed in 39 patients with complete unilateral cleft lip and palate(UCLP). The samples are devided into three groups nine below 9 years, twenty three from 9 years 1 month to 14 years and seven over 14 years group. Seventeen measurements were obtained from the tracing of PA X-ray cephalometric headfilms to evaluate the asymmetric characteristics and changes accdording to aging in UCLP. The obtained results were as follows. 1. Facial asymmetry in UCLP is variable(1.22-3.47 $mm/^{\circ}$) and the length from midsagitta1 reference line to maxillary 1st molar, to upper central incisor and the length of mandibular ramus showed significant asymmetry 2. Nasal septum and anterior nasal spine were deviated In the cleft side and the lower border of nasal cavity was 1ower in cleft side. 3. The deviation of nasal septum was continued significantly till after 14 years old.
In Korea, elderly population aged 65 and older are about 5.0% and 10.7% in 1990 and 2009, respectively. Since elderly people may experience physiologic changes with aging and their pharmacodynamic and pharmcokinetic parameters also have been undergone changes, several adverse drug reactions can occur more frequently than young people. Especially, neuropsychiatric adverse drug reactions such as delirium and drowsiness endanger elderly patients more. The purpose of this study is to evaluate the outpatient prescriptions using drug causing delirium and drowsiness in elderly patients aged 65 and older. We retrospectively reviewed prescriptions for elderly patients collected from four community pharmacies from January 2nd to February 1st, 2010. One pharmacy was located closed to a general hospital, and others were located closed to a internal medicine or an ENT clinic. The each number of the collected prescriptions was followings; Group A (n=496) from internal medicine department of a general hospital; Group B (n=44) from ENT department of general hospital; Group C (n=144) from internal medicine clinic; Group D (n=110) from ENT clinic. In result, in Group A, the average number of prescribed drugs causing delirium or drowsiness per Rx was 2.38 In Group B, the average number of prescribed drugs causing delirium or drowsiness per Rx was 2.09 In Group C, the average number of prescribed drugs causing delirium or drowsiness per Rx was 2.51. In Group D, the average number of prescribed drugs causing delirium or drowsiness per Rx was 2.72. Especially, in Group D, the percentage of prescription that drugs causing delirium or drowsiness per Rx prescribed more than 3 is 52.73% In all the 4 groups, over the 60% of drugs causing delirium and/or drowsiness per prescription of elderly patients were prescribed. It means elderly patients take 2 drugs causing delirium and/or drowsiness among 3 drugs, which is very serious. Frequently prescribed drugs causing delirium and/or drowsiness were followings; GI agents, antitussives & expectorants, histamine H1 antagonist, analgesics, antibiotics. Among these drugs, GI agents was high raking in all the 4 groups, and pharmacists should caution elderly patients when counseling. In the internal medicine groups (Group A,C), drugs concerning chronic diseases were prescribed frequently. In conclusion, pharmacist's role is important. Pharmacists are well informed of the drugs causing delirium or drowsiness and it is important to explain about ADRs slowly and easily to the elderly patients that receive drugs causing delirium or drowsiness. And institutional device is needed. For example, when doctors prescribe drugs for the elderly patients, message is needed that supply some informations about drugs causing delirium or drowsiness.
This study is a qualitative analysis that conducted a focus group interview to analyze the experiences of daily life of the elderly living alone and their chronic diseases management, and to explore the meaning, nature, and difficulties associated with. The subjects of this study were elder who lives alone without cognitive impairment and over 65-year-old. There were total 31 people and divided into 5 groups and they had 60 minutes interview. By this study, there were four themes of 'difficulties of daily life', 'suffering from chronic diseases', 'fear of the future', 'acceptance of life'. In conclusion, the elderly living alone felt difficulty in daily life due to physical aging and chronic illnesses, and they felt that they were accepting life at the same time while feeling the fear of the future situation. Therefore, in order to improve the life satisfaction and life quality of elderly people living alone, it is necessary to provide institutional devices that enable daily life such as meals and laundry to be maintained and to develop of an intervention program in order to maintain physical health. In addition, an intervention program should be developed to reduce the fear of future uncertainty and positively accommodate the life.
Waxes currently used as a coating material to preserve surfaces of outdoor iron sculptures tend to face lower coating strength and efflorescence due to the aging from air pollution and acid rains. Consequently, they are subjected to repeated corrosions shortly after the treatment. And the sculptures face the problem losing their original nature because of the changes of colors and lusters, so this convergence study aims at developing wax with better performance than the existing materials. For this reason, the study identified the effects of physical property using the environmental experiments such as the tests of salt spray and gas corrosion as well as the analysis of luster level and thermo-gravimetry. As this study result, the developed ISC wax showed the excellent blocking effect from salt water and coating durability more than five times compared with the existing waxes, better acid resistance by two-four times, sun block effect by 2-10 times, improved luster variance by 3-16 times, improved thermo-stability and durability by 0.5-5 times, and therefore demonstrating far better coating effect than the existing waxes. In the light of these findings, this study contributes for this new development which can replace the existing waxes used so far in order to preserve the outdoor iron sculptures.
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