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버섯류의 미양금속, 중금속 및 유기산 함양에 관한 연구
허선행 대한환경위생공학회 1992 대한환경위생공학회지 Vol.7 No.1
To investigate on the element content of twelve edible mushrooms and Aloe arborescent, i.e., Lentinus edodes, Ganoderma lucidum (culturing in wood and soil), Tricholoma matsutake, Agaricus auricula-Jude (produced in Korea and China), sarcodon asparatus, Pleurotus ostreatus, Coriolus bisporus, Cyrophora esculenta, Auricularia auricula-Jude (produced in Korea and China), Sarcodon asparatus, Pleurotus ostreatus, Coriolus rersicolor, Smilax rotundifolia and Aloe arborescenstyl were analyzed by Atomic absorption spectrometer. The obtained results were summarized as follows : 1. Potassium, sodium, magnesium and iron content for the most part samples were in large quantities, especi phosphorus content of those was highest ammount for the all samples. 2. Sodium content f·as much ammount in the Lentinus edodes(39 mg, and Ganoderma lucidum(20 mg) , Culturing in wood and soil, while potassium was very high ammount in the Aloe arborescens and other samples. Mush ammount of magnesium as compared with others was Lentinus edodes(144 mg) , Ganoderma lucidum(128 mg), Aloe arborescens(50 mg) and Pleurotus ostreatus (60 mg) . 3, Phosphorus content of Lentinus edodes, Gyrophora esculenta, Auricularia polytricha and Agaricus bisporus was much ammount while iron content of all samples equality higher ammount. Sodium content of Aloe arborescens was not analyzed out for almost all, its potassium(82 mg), magnesium(50 mg) and iron(18 mg) content comparatively higher quentity than others nllnerals and phosphorus volume (4.9 mg) as compared with others, was conspicuously lower detect. 4. Cadimium and lead content of harmful metal element were detected on trace quantity for the most part samples. 5. Organic acids of samples i.e., Lentinus edodes, Agaricus bisporus, Pleuritus ostreatus and Ganoderma lucidum were Citrate, Malate, Fumalate, Succinate, Oxalate, Acetate, Lactate, and Tartarate and Citrate, Malate and Fumarate contents were higher amount remarkbly than other organic acids. Tartarate content was trace amount.
허선행 ( Heo Sun-haeng ),임강택,서윤환 남북하나재단 2010 연구총서 Vol.2010 No.0
This research surveyed economic activity of a sample of 1,200 out of the defectors who are from 20 to 65 years old and entered into South Korea after January 1, 2000 (13,920 as of June 2010), in order to measure the North Korean defectors’ adaptation to economic life (95% confidence level, margin of error ±2.70%p) The survey contents include employment, type of business and profession, salary, work hours and in case of the unemployed, whether he/she seeks job and the reason of economic inactiveness. As a result of the survey, out of 1,200, 464 were employed, 736 were unemployed, and among the unemployed, 47 were seeking job. Therefore, as of August 2010, economic activity rate is 42.6%, employment rate is 38.7% and unemployment rate is 9.2%. Type of business of the employed includes manufacture (28.4%) and restaurant/lodging (17.5%) and profession is mostly day labor (20.5%), machinery, equipment and assembly (19.6%) and service provider (18.5%). Average work salary is 143 thousand won. The reason of economic inactiveness is physical difficulty, raising children and school attendance, and the most often cited difficulty while seeking job is health problem. In order to improve the economic activity environment of North Korean defectors, efforts like providing concentrated health recovery service during the initial phase of settlement, expansion of childcare service of government and civilian sector for women, who comprise 75% of the defectors, guarantee of professional consultants for employment support center and promotion of awareness of defectors among employers.