Purpose - This research examines the short-run and long-run effect of external shocks (oil price and exchange rate) on domestic food price in Indonesia. Research design, data, and methodology - Three variables are used in this research. The variables are food price index, Rupiah's exchange rate of Indonesia, and crude oil price from 1998 until 2015 using Vector Error Correction Model (VECM). Results - The increasing of oil price and the depreciation of Rupiah's rate push the domestic food price in long-run, but do not impact significantly in short- term. The response of food price to oil prices shock and exchange rate shock are positive and persistent throughout the entire sample period. The exchange rate and oil price shocks have a small proportion explaining for the fluctuations of food price index but increasing over time. Conclusions - The policymaker should concern on solving the problem of oil price increase and depreciation of exchange rate on Indonesia's food price as they are important factors that can affect the price stability. The government should not rely on food imports because the price is strongly influenced by the movements in the exchange rate.
The present study was conducted to document North Korea's long standing food shortage situation and to evaluate the devastating effects of its recent food crisis on the already poor health and nutritional state of the people in North Korea. We analyzed the mail survey data on food consumption patterns and anthropometry of 109 North Korean defectors, male, aged 20 years and older, who resettled in the South during the period of 1988-1999. The result of our survey data indicated that during 1988-1993 when North Korea's food supply was not yet emerged as a serious problem, food and nutrient intake of North Korean defectors was estimated to be significantly lower that the recommended intake levels for maintenance. Energy and protein intake of subjects who defected further with the recent food crisis. For subjects who defected after 1994, the total and animal food intakes were reduced to 67% and 25%, respectively, of the amounts consumed by those who defected in the period of 1988-1993, and their energy and protein intake was decreased by 27% and 30% to the level of 1,181kcal and 40g. Regardless of the time of defection, the mean height and body weight of defectors was significantly lower than that of South Korean reference men. The prevalence of infectious diseases and malnutrition signs was higher among defectors who resettled in the South after 1994 compared to those who resettled during 1988-1993.
Functional food research has been struggling to demonstrate their beneficial effects in human, however, the physiological changes in humans who are in the target for functional food are very subtle and long term. In addition, it is difficult to obtain significant beneficial effect because of the necessity of using relatively healthy subjects. Relatively healthy subjects are homeostatic, and most of the biomarkers maintain a certain level under the "normal" or "resting" state. Moreover, due to wide inter-individual variation, it is difficult to detect significant changes. To address this problem, research has been actively conducted to identify the efficacy of natural products using 'omics' and 'bioinformatics' technology. In this review, we would like to introduce the human intervention studies applied homeostatic challenge model.
Journal of Korean Home Economics Education Association
/
v.31
no.4
/
pp.41-62
/
2019
The purpose of this study was to examine how the contents and pedagogical styles of Food and Nutrition in the middle school home economics textbooks could promote constructivist learning. For this, Food and Nutrition contents of 12 current textbooks were analyzed, based upon the learning factors derived from both a practical problem-focused curriculum from the constructivist perspective, and the current home economics curriculum from the objectivist perspective. Pedagogical styles of the texts and exercises were classified into four types- neutral informative, injunctive, persuasive, and participative, out of which 'persuasive' and 'participative', in particular reflect the constructivist perspective. The major findings were as follows: First, the analysis results of Food and Nutrition contents showed that of 14 learning factors, 13 of the textbooks corresponded well to the current curriculum(92.9%). On the other hand, Out of the 26 learning factors, 18 of the textbooks corresponded to the practical problem-focused curriculum(72.4%). Classified into each stage of the practical problem solving processes, only learning factors related with 'the concepts of the valued ends' were fully covered. However, the other learning factors related with the concepts of 'the practical problem', 'the context', 'the action' and 'the consequence', that is the factors particularly related with 'the concepts of the context', were not properly addressed. Besides, learning factors were not addressed from diverse viewpoints, especially from the social perspective. Second, the analysis of pedagogical style related to Food and Nutrition illustrated that the neutral informative(59.9%) in texts, and the participative in exercises(60.4%), were most common. However, persuasive and participative were insufficient in texts(22.1%). Furthermore even though the exercises, are more likely to be described from the constructivist perspective, nearly none of the exercises was considered from the social perspective. In conclusion, this study showed that Food and Nutrition in Korean home economics textbooks need to reflect constructivist learning better.
Journal of the Korea Organic Resources Recycling Association
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v.24
no.1
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pp.41-49
/
2016
This study is conducted to find out problems of the public food waste recycling facility and its improvement. Through a research on the actual condition, it is possible to analyze the problem of operation. Moreover, for this improvement, with analysis of the current state of recycling rate including its generation and the problem that can be shown from the real operation of the public/private food waste recycling facility, the results are as follows: It can be shown that the current amount of domestic food waste resource recycling is about 97 %. Almost every public recycling facility is analyzed to be economically infeasible and is not for recovery but to simple disposal. Especially, most of Biogas facilities appeared that amount of production and demand is not appropriate differed from enforcement design.
Recently, the desire for low body weight, which is an abnormal weight construct along with obesity, has become an evident and serious problem in teenagers. In Korea, the desire for low weight is not perceived as an important problem, but it is rapidly expanding relative to the physical changes and developmental issues teenagers experience. The social atmosphere presented through mass media is the key influencer for the increasing low weight occurrence in teenagers. Because thoughts about beauty have changed among people, and since there is apparent blind interest in slim body shape and appearance, already low-weight individuals are attempting to lose weight along with obese persons. Thus, we consider it necessary to guide teenagers toward having correct perceptions with regard to weight and their own body shape, and that a healthy and appropriate weight is beautiful. Therefore, for this study, we investigated body perception, abnormal weight, attitude toward weight control, and factors related to eating behavior among teenage girls, who are considered the at risk group for overt body weight control behavior. Based on this, we have attempted to set in motion a systematic and active nutrition education program that will allow us to increase body satisfaction by educating on nutritional issues related to development, and ultimately, implant healthy body shape perceptions.
Park, Ok-Jin;Park, Mun-Gyeong;Yang, Il-Seon;Lee, Min-Jun
Journal of the Korean Dietetic Association
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v.10
no.4
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pp.467-475
/
2004
The purposes of this exploratory study were to a) verify the first image remember percentage about foodservice and the desire to eat, b) identify detail attributes on the 'food taste' and 'menu variety', the most important problem of the foodservice, c) decide the ranking for improvement of the identified detail attributes, and d) applicate from customer feedback to foodservice operation in the B&I(business & industry) foodservice. For the more reliable result, customer opinion was collected by qualitative research methodology, such as open-ended questionnaire and in-depth interview. The result was followed as : the firstly, the operation circumstance was total 6,700 meal number a day through in-depth interview and 3 types of meal was served. The secondly, the average usage a week was the 7.4 times(B foodservice(B1F)) and the 1.8 times(A foodservice(3F)), respectively. Using reasons of foodservice were 'broad extent', 'menu type', 'shifting convenience' and etc on B foodservice(B1F) and 'menu type', 'clean space' and etc on A foodservice(3F), but the disadvantages of both foodservice were 'complication on peak time', 'the decline of food taste', and 'the absence of menu variety'. 'The decline of food taste' and 'the absence of menu variety' were pointed out the problem asked immediate improvement. The thirdly, it was examined that the first remember about foodservice were 'menu type' and 'foodservice environment' on A foodservice(3F) and 'foodservice environment(atmosphere)' on B foodservice(B1F). The last result, the detail attributes about food taste were ranked respectively 'a salt taste', 'balance of 5 taste at a meal', 'taste of food characteristic' and the unsatisfaction attributes about menu variety were ranked respectively 'serving frequently a same menu', 'the absence of various taste', 'using frequently a same cooking preparation'.
This study was carried out to evaluate the effect of mothers' attitudes on preparing baby foods for their children's food habits and development. The subjects were allocated to 419 preschool children, aged 3 - 5 years. This study surveyed by questionnaire, which was answered by the children's mothers. Subjects were classified by two groups, active and passive, based on their mothers' weaning attitudes. In the active group, mothers tried to make a variety of foods for preparing the baby foods, whereas mothers in the passive group didn't try to make it too much. Family income was higher in the active group and the subject' mothers had more jobs than those in the passive group, whereas their parent's education levels showed no differences. According to Rohrer index, 2.6% of subjects were obese in the active group, whereas 7.7% in the passive group. These data were shown significantly different between the groups. There were no differences in mother's food habits and breast-feeding versus formula feeding between the two groups. However, children's food habits were shown statistically different between the two groups. Higher regularity of meals, higher frequencies of snacks at home, higher frequencies of fruit, com, sweet potato as a snacks and less instant foods were revealed in the active group more than in the passive group. The major problem of children's food habits was an unbalanced diet (52.7%) and the major reasons for unbalanced diet were the taste (58.7%) and the texture (23.2%). The active uoup used more fruits and vegetables than the passive group. Also there were significant differences to solve problems of children's unbalanced diets. In the positive group, 14.4% of mothers tried to develop new cooking methods for solving the problem of an unbalanced diet, but 8.2% did in the passive group. furthermore, 2.3% of mothers in the positive group removed unpleasant items of the food, whereas 6.9% did in the passive. The average nutritional knowledge scores on a 10 scale were 7.2 and 6.9 in active and passive groups, respectively, and they were statistically different. Mothers among the active group explained the knowledge for food and nutrition to their children more than those in the passive group. These results suggest that mothers' attitudes for baby food are an important factor for forming their children's food habits. Therefore, it is necessary to develop a nutritional education program, materials and new recipes for a variety of baby foods to mothers.
This study was performed to assets the operating characteristics of food waste composting and co-composting (food waste + sewage sludge) at a compelling facility. The facility was being operated successfully without being affected by kind of composting feed materials. Partial anaerobic condition was detected during food waste composting and co-com-posting, but these two composting systems were proven to be operated successfully under aerobic condition from the monitoring results of $O_2$, volatile solids reduction rate, temperature, and other parameters. The conductivity and chloride concentrations of compost were gradually increased during two composting periods, but the conductivity and chloride concentrations of co-compelling indicated lower values than those of food waste composting at final point(40 m). As a result, co-composting was turned out to be more desirable than food waste composting, considering salt problem. High correlations ($R^2$= 0.9265 for food waste composting and $R^2$= 0.9685 for co-composting) between CEC and volatile organic matter were found. Quality of composts produced from two composting process satisfied Korean heavy metal standard.
In recent years, special concerns have been raised about the safety assessment of foods and food ingredients derived from genetically modified organisms (GMOs). A growing number of countries establish regulations and laws for GMOs in order to allow consumers an informed choice. In this case, a lot of methods have been developed for the detection of GMOs. However, the reproducibility among methods and laboratories is still a problem. Consequently, it is still in great demand for more effective methods. In comparison with the gel electrophoresis, the capillary electrophoresis (CE) technology has some unique advantages, such as high resolution efficiency and less time consumption. Therefore, some CE-based methods have been developed for the detection of GMOs in recent years. All kinds of CE detection methods, such as ultraviolet (UV), laser induced fluorescence (LIF), and chemiluminescence (CL) detection, have been used for GMOs detection. Microchip capillary electrophoresis (MCE) methods have also been used for GMOs detection and they have shown some unique advantages.
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