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In Vivo Antifungal Activities of 57 Plant Extracts Against Six Plant PathogenicFungi
최경자,김진철,이선우,조광연,장경수,조준영 한국식물병리학회 2004 Plant Pathology Journal Vol.20 No.3
screened for in vivo antifungal activity against Magnaporthe grisea, Corticium sasaki, Botrytis cinerea, Phytophthora infestans, Puccinia recondita, and Blumeria graminis f. sp. hordei. Among them, seven plant extracts showed disease-control efficacy of more than 90% against at least one of six plant diseases. None of the plant extracts was highly active against tomato gray mold. The methanol extracts of Chloranthus japonicus (roots) (CjR) and Paulownia coreana (stems) (PcS) displayed the highest antifungal activity; the CjR extract controlled the development of rice blast, rice sheath blight, and wheat leaf rust more than 90%, and tomato gray mold and tomato late blight more than 80%. The PcS extract displayed control values of more than 90% against rice blast, wheat leaf rust, and barley powdery mildew and more than 80% against tomato gray mold. The extract of PcS also had a curative activity against rice sheath blight and that of CjR had a little curative activity against rice blast. On the other hand, the extract of Rumex acetocella roots reduced specifically the development of barley powdery mildew. Further studies on the characterization of antifungal substances in antifungal plant extracts are underway and their disease-control efficacy should be examined under greenhouse and field conditions.
최경자,Choe, Gyeong-Ja 한국데이터베이스진흥원 1998 디지털콘텐츠 Vol.12 No.-
미국의 상표정보를 검색하기 위해서는 먼저 미국의 상표제도와 출원절차를 어느 정도 파악하고 있어야 한다. 미국특허청(USPTO)에서 지원하는 상표정보 데이터베이스를 살펴보기에 앞서 미국 상표출원의 특징적인 내용을 몇가지 살펴봤다.
崔京子,宋東彬,李幸子,李成東 高麗大學校 倂設 保健大學 保健科學硏究所 1985 保健科學論集 Vol.14 No.1
In order to obtain basic information on nutrient intake of residents in rural community during the summer that can be used as reference material for making health policy in the future, a three day survey has been conducted at Jeomdong-Myun, Yeoju-Gun, Kyunggi province which is the pilot project area for the project implemented by the Community Health Development Committee, Korea University. The sample size was 46 households and the major findings were as follows; 1. The number of foods they were taking totalled 16 categories and 152 kinds. 2. Average amount of daily intake was 1,124 grams per person of which 93% was vegetable food, and animal food occupied only 7%. Amongst the animal foods, the intake amount of fishes and milk was lower than the national average. 3. The nutrient intake except fatty substance and calcium, namely protein, carbohydrate, phosphorus, iron and vitamines, was exceeding the recommended daily allowance for adult. The same fact was also found in terms of the total calorie intake. 4. The problems on the nutrient intake arisen from the study in this area were; a. The proportion of animal protein occupies 24% of the total protein intake whereas the national average of rural community stood at between 32.5%∼33.5% as a results of 1981∼1984 National Nurition survey. b. Insufficient intake of fat and oil, and c. Calcium intake occupies only 72% of the recommended daily allowance and 84.5% of the calcium intake was depending upon vegetable, which has a low absorbability. As described above, the intake of animal protein, fatty substance and calcium was low because of the high dependency on vegetable food in this community.