The purpose of this study is to survey and analyze the environmental awareness and attitude of elementary school students, adapting the CHEAKS(Children's Environmental Attitude and Knowledge Scale) for Korean elementary students, which is the valid-tested tools for children's environmental awareness and altitude. The subjects are 580 students from 6 elementary schools. The differences of the environmental attitude are surveyed and analyzed by environmental education activities, such as environmental activities in school and “the school forest movement”, and environmental awareness and concern. The results are as followings: First, the subjects replied that the environmental problems are very serious, such as atmospheric pollution(37.6%), water pollution(22.2%) and food waste(16.3%), but they are relatively optimistic of the future environment. Second, the verbal commitment subdomain and the affect domain are evaluated higher than the actual commitment subdomain, and the environmental issues of water, energy and recycling are considered more importantly than other issues such as environmental generals, pollutions and animals. Third, the grade and the sex have little effect on the environmental attitude, but the environmental education activities have great positive effect, such as the experience of environmental camping, the education of saving resources, waste separation and the experience of raising plants and flowers. Fourth, the students with high awareness and concern about the environmental problems have high environmental attitude. Especially, the awareness and concern on the flowers and plants have very strong correlation with environmental attitude, regardless of the subdomains. Finally, the students from the school participating “the school forest movement” have relatively positive environmental attitude. Particularly, the participation of students and the positive approach of the school have positively great influence on the students' environmental attitude in all of 3 subdomains and 6 environmental issues.
The use of local product foods and fresh-cut products, the dietitian's recognition, the required items and the quality for school foodservice was investigated to increase the consumption of high-quality agricultural products. Data from 578 elementary schools, 228 middle schools and 116 high schools were collected by school foodservice personnels in each regional Education Administration in Gyeong-gi province. The first criteria of buying food materials was reliability/safety for all school foodservice. The second criteria were the origin of the product and freshness/ripeness for elementary and middle schools and high school, respectively. The most important consideration for selecting a supplier was the quality of the material. The appearance/status of the food was the first factor for buying food materials. The origin and the seasonality were very important for buying farm products. Dietitians in Gyeong-gi province recognized the local products, and used them weekly. The advantages of using local products were the quick supply, freshness and safety. On the other hand, the disadvantages were the lack of information and the uncertainty of supply. Sixty eight percent of the subjects had experienced the high-quality agricultural products in school meals, but the frequency was low. The main reasons for not servicing high-quality agricultural products were the high cost and the lack of trust on the quality. Among fresh-cut products, seasonings and root vegetables were purchased most frequently, but leaf vegetables was 5.7% only. The purchase of fresh-cut products was not frequent, but usually satisfied. The advantages of fresh-cut products were the reduced workload and waste, but the reason for not using them were poor hygiene and the high price. The diverse supply system and the promotion of the local product foods would be necessary since the most food materials were purchased through suppliers. In addition, the problems related to the high cost and distrust should be resolved to expand the consumption of the high-quality agricultural products and the fresh-cut vegetables. The institutions for certifying the quality should be needed to increase the confidence of these products.
The main purpose of this study was to provide a basic information for the efficient foodservice management in elementary schools. A survey was conducted to get the information on the cost management and centralization needs of dietitians working for school foodservice in Kyungki-do. Detail information was collected from 85 dietitians. Statistical data analysis was completed using the SPSS/PC/sup/+ package for descriptive analysis, t-test, $\chi$$^2$test and ANOVA. The results of this study were as follows: 1. Meal costs per one person evaluated on the standards of monthly budget basis in May and June, 1996 did not show any significant differance between commisary foodservice schools and conventional ones. Labor costs of island type and rural type were significantly higher than those of urban type. The schools with less than 1,000 feeding numbers spent more labor costs than those with over 1,001-feeding numbers did. 2. In island type and rural type, total meal costs increased according as the scale of the schools decreased. 3. Results of the survey on dietitians' centralization noeds showed that the aspects of common-purchasing and common solid waste management marked the highest ratings, whereas the aspects of commissary foodserice system got the lowest rating.
Journal of the Korea Organic Resources Recycling Association
/
v.23
no.2
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pp.67-72
/
2015
In this study, growth characteristics of insects for mass production was investigated. For Hermetia illucens, the biomass was increased by the supply of the mixture of FWDF with hop cake and typical feed at the early growth stage, however, no difference was shown between 100% of FWDF and the mixture at the late stage. The growth of Housefly larvae was retarded with the 100% of FWDF, resulting in abnormal paputation, hence the amount of FWDF shoud be lowered to 20% to 30% for the efficient growth. Super mealworm larvae was found to grow with little influence by the kind of feed, and none of them was died or inhibited by the supply of FWDF as a feeding source.
Cortez-Vega, William Renzo;Fonseca, Gustavo Graciano;Bagatini, Daniela Cardozo;Prentice, Carlos
Food Science of Animal Resources
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v.37
no.2
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pp.162-167
/
2017
Functional and nutritional soluble proteins can be recovered from surimi (and surimi-like material) processing wastewater, reducing environmental problems and the cost of an irresponsible waste disposal. Recovered proteins may be added back at a low percentage to surimi products. The aim of this work was to evaluate the effect of the addition of soluble recovered proteins (RP), obtained from mechanically separated chicken meat surimi-like material (MSCM-SLM) processing wastewater by acidic pH-shifting, on the composition and texture of RP-MSCM-SLM, with RP contents of 0, 10, 20 and 30% (w/w) in the mixture. For that, proximate composition and gel properties were evaluated. The fat content of the MSCM-SLM was significantly reduced to 11.98% and protein increased to 83.64% (dry basis) after three washing cycles. The addition of 30% RP in the MSCM-SLM significantly augmented the protein content to 93.45% and reduced fat content from to 2.78%. On the other hand, the addition of RP was responsible for a drastic decrease in texture parameters, reaching 252.36 g, 185.23 g.cm, and 6.97 N for breaking force, gel strength and cutting strength, respectively, when 30% of RP was included in the MSCM-SLM. It was concluded that the obtained intermediary product (RP-MSCM-SLM) is a good option to applications in processed meat products where high texture parameters are dispensable, e.g., emulsified inlaid frankfurter-type sausages, but high protein content and low fat content desired.
Kim, Sunghye;Kim, Mi Jeong;Kim, Hyun Ju;Song, Yeong-Ok
Journal of the Korean Society of Food Science and Nutrition
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v.42
no.7
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pp.1148-1156
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2013
Studies have shown that the preference and average consumption of kimchi among youths have been decreasing partly due to the westernization of the diet. In this study, we examined kimchi consumption status and the annual utilization of 29 kimchi menus registered in the National Education Information System (NEIS) among the students, and then developed seven kimchi menus based on the preference tests and plate waste analysis. Our findings showed that average kimchi consumption by second and fifth graders during lunch time was 19.3% and 17.3%, respectively, of the recommendation (40 g per meal) in the 2010 KDRI. Incidentally, more than 75% of elementary school dieticians answered that ten kimchi menus (31%) registered in the NEIS were never chosen by them in the previous year. The least adopted types of kimchi menu included cooked rice, porridge, stew, pancake, deep-fry and grill. The newly developed kimchi menus included kimchi sauce tofu deopbap, kimchi bacon rice ball, kimchi chicken potato stew, kimchi vegetable fried noodles, kimchi meatballs, kimchi cheese croquette and kimchi potato salad. All these kimchi food items contained 10~20 g of kimchi per serving, and the standardized recipes and nutrient analysis were provided. Kimchi cheese croquette was most liked by fourth graders followed by kimchi sauce tofu deopbap, kimchi meatball and kimchi chicken potato stew in that order. These four menus were again evaluated among second and fifth graders. The kimchi meatballs were most preferred among these groups of students with no leftover but kimchi sauce tofu deopbap was least favorable, producing 17.1% of plate waste. Finally, kimchi cheese croquette and kimchi potato salad were given the highest and lowest scores, respectively, by 87 school dieticians. The findings of this study suggest that efforts on the development of kimchi menu for school food services may help to promote a preference and consumption of kimchi among elementary school students.
As a primary study for SCP production from soybean curd waste water, selection of yeast and optimum cultivation condition of selected yeast on soybean curd waste water were investigated. Eighteen strains of the genus Candida and Saccharamyces were tested to compare their abilities to grow on soybean curd waste water. Candida utilis YUFE 1508 and Candida guilliermondii KFCC 35120 grew most successfully. Optimum pH and optimum temperature of the basal medium for growth of the two strains were $6.0{\sim}6.5$ and $25^{\circ}C$, respectively. The optimum culture medium of the two yeasts was soybean curd waste water supplemented with molasses 2.5% (as total sugar), ammonium acetate 0.1-0.3% (as nitrogen), $KH_2PO_4$ 0.1-0.2% (as phosphorus), and $K_2HPO_4$ 0.05% (as phosphorus). But yeast growth was not affected by metal salts. Under the optimum cultivation condition, the maximum cell weights of Candida utilis YUFE 1508 and Candida guillfermondii KFCC 35120 were 1.313g and 1.322g/100ml of culture broth respectively after 48 hr of cultivation. The cell yields of Candida utilis YUFE 1508 and Candida guilliermondii KFCC 35120 were 68.4% and 74.2%, respectively, based on utilized sugar. On the other hand, crude protein of dry yeast produced by Candida utilis YUFE 1508 and Candida guilliermondii KFCC 35120 under optimum condition was 54.0% and 56.8%, respectively.
Walley, Peter G.;Teakle, Graham R.;Moore, Jonathan D.;Allender, Charlotte J.;Pink, David A.C.;Buchanan-Wollaston, Vicky;Barker, Guy C.
Journal of Plant Biotechnology
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v.39
no.1
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pp.62-68
/
2012
The vegetable brassicas are an important crop worldwide and are of significant commercial value. In order to ensure our targets for food security are met it is important that these crops are continually improved to increase sustainability of production, increase nutritional quality and reduce waste. Development of resistances against both biotic and abiotic stress are recognised as being key. Plant breeding plays a vital role in addressing these issues through the development of new and improved varieties. This continued improvement is becoming evermore dependent on our ability to identify and introgress beneficial alleles from 'exotic' germplasm into elite breeding material. Increasingly, more diverse germplasm such as those found in genebanks is being screened for benificial allelic variation, however, plant breeders often find it difficult to make use of such material due to the time required to remove undesirable characteristics from progeny due to linkage drag. This article describes how we have attempted to overcome this and develop resources that make the diversity available within the $Brassica$$oleracea$ genepool more accessible.
This research was performed for developing of biological treatment process of odor gas such as MEK, $H_{2}S$, and toluene, which is generated from the food waste recycling process. To establish the operational conditions of odor gas removal by small-scale biofiltration equipment, it was continuously operated by using toluene as a treating odor object. When the odor treating microorganisms were adhered to fibril form biofilter, high removal efficiency over 93% was obtained by biofilm formation. At 400 ppm of inlet odor gas concentration and 10 sec of retention time, the removal efficiency was 76% and 93% in 1st stage reactor and 2nd stage reactor, respectively. However, the removal efficiency remained over 97% at the operational conditions above 15 sec of retention time.
Journal of Korean Home Economics Education Association
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v.16
no.4
s.34
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pp.43-56
/
2004
The purpose of this study was to develop the web-based practical problem-solving teaching plans for middle school home economics class. Five practical problems which were obesity, food waste, processed food, genetically-modified food, and imported food were selected based on the food, nutrition and diet of adolescent in middle school home economics syllabus. Web-based practical problem-solving teaching plans were consisted of 5 processes: 1)recognition of the practical problem, 2)gathering and evaluation of various information, 3)figure out the best way to tackle the practical problem, 4)put into behavioral practice, and 5)analyze the results of the behavioral practice. For the effective lesson, several supplemental materials, such as individual and group reports format. obesity test methods, animations. pictures, and modules were developed. Teaching plans including supplemental materials provided might be useful to middle school home economics teachers.
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