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송이 (Tricholoma matsutake) 자실체의 화학성분
이학주,최윤정,가강현,박원철 한국목재공학회 2003 목재공학 Vol.31 No.4
송이(Tricholoma matsutake) 자실체의 메탄올(methanol, MeOH) 추출물로부터 4개의 화합물을 분리하였으며, 기기분석 결과 adcnosinc (9-β-D-ribofuranosyladenine)을 비롯하여, methyl trans-cinnamate, ergosterol (ergosta-5, 7, 22-triene-3β-ol) 및 ergosta-4, 6, 8 (14), 22-tetraen-3-one으로 각각 동정하였다. One alkaloid derivatives, one amide and two steroids were isolated from the fruit bodies of Tricholoma matsutake. The structures were determinded as adenosine, methyl trans-cinnamate, ergosterol and ergosta-4, 6, 8 (14), 22-tetraen-3-one, respectively, on the basis of spectroscopic data.
고속도로 하부 횡단 배수시설로 사용되는 파형 플래스틱 관의 덮개 요건
Kang, Junsuk,James S. Davidson,Lim, Jeong-Hyeon,Kang, Young Jong 한국복합신소재구조학회 2013 복합신소재구조학회논문집 Vol.4 No.1
This project investigated the use of two types of thermoplastic pipes, High-Density Polyethylene (HDPE) and Poly-vinyl Chloride (PVC), as cross-drains under highways. Pipes ranging from 0.3 m (12 in.) to 1.5 m (60 in.) in diameter were evaluated under deep fills, minimum cover, and construction loads. In addition to a comprehensive literature review, an analytical study into the allowable fill heights for thermoplastic pipes and a field study to observe the installation and performance of the pipe in service conditions were conducted. Based on the study findings, recommendations regarding how and when thermoplastic pipe should be installed are provided.
자작나무시루뻔버섯(차가버섯)을 접종한 자작나무로부터 버섯의 생장
가강현 ( Kang-hyeon Ka ),전성민 ( Sung-min Jeon ),박현 ( Hyun Park ),이봉훈 ( Bong-hun Lee ),유성열 ( Sung-ryul Ryu ) 한국균학회 2017 韓國菌學會誌 Vol.45 No.3
Chaga mushroom (Inonotus obliquus), which has invaluable medicinal uses, grows only on living trees. To date, it is still harvested from its natural habitat and is not cultivated artificially. We artificially cultivated chaga mushrooms by inoculating its sawdust spawns on Betula platyphylla var. japonica in 2007, and monitored mushroom growth on the inoculated trees for 9 years. The mushrooms grew less than 1 cm per year, with the largest mushroom growing up to 9 cm in the 9 years of study. There was no difference in the growth (diameter at breast height) of trees with viable and non-viable I. obliquus. In conclusion, artificial cultivation of chaga mushroom was successful. Our findings suggest that selection of large B. platyphylla var. japonica as host tree could lead to better I. obliquus productivity. Further improvements of the method are needed to increase the success rate of I. obliquus inoculation.
가강현 ( Kang-hyeon Ka ),김희수 ( Hee-su Kim ),허태철 ( Tae-chul Hur ),박현 ( Hyun Park ),전성민 ( Sung-min Jeon ),유림 ( Rhim Ryoo ),장영선 ( Yeongseon Jang ) 한국균학회 2018 韓國菌學會誌 Vol.46 No.1
Tricholoma matsutake (Pine mushroom) is expensive, and its artificial cultivation has been tried in several countries. Until date, the only successful cultivation of artificial pine mushroom in pine forests uses matsutake-infected pine trees. The National Institute of Forest Science in Korea has been restudying this method since 2000. Success in fruit production and reproduction was achieved in 2010 and 2017, respectively, in the same locale. The successes proved that pine mushrooms could be cultivated artificially in the field using matsutake-infected pine trees. The fruiting of pine mushroom in October 2010 occurred 6 years, 6 months after the transplantation of matsutake-infected pine trees. Five pine mushrooms reoccurred in September 2017, 13 years, 5 months and 15 years, 5 months after the transplantation of the respective matsutake-infected pine trees. The distance between the matsutake-infected pine tree and the pine mushrooms was 12 cm at 6.6 years, 90~115 cm at 13.5 years, and 95 cm at 15.5 years. Fruiting bodies occurred 13~16 days after the underground temperature declined to below 19°C. In conclusion, the use of matsutake-infected pine trees remains the only way to artificially cultivate pine mushrooms. More knowledge of the environmental factors affecting matsutake fruiting would be beneficial.
송이 감염묘 육성을 위해 야외 조건에서도 송이균 생존이 가능한 소나무의 최소 크기 결정
가강현 ( Kang-hyeon Ka ),김희수 ( Hee-su Kim ),전성민 ( Sung-min Jeon ),유림 ( Rhim Ryoo ),장영선 ( Yeongsun Jang ),왕은진 ( Eun-jin Wang ),정연석 ( Yeun Sug Jeong ) 한국균학회 2017 韓國菌學會誌 Vol.45 No.3
Despite the high commercial value of the pine mushroom (Tricholoma matsutake) around the world, its production still depends upon natural harvesting. In recent years, mushroom researchers in Korea and Japan have been successful in artificially cultivating T. matsutake by producing single mushroom through matsutake-infected pine seedlings. In this study, we determined the minimum seedling height required for the survival of matsutake mycelia in the infected pine seedlings in the field. The survival rate of matsutake mycelia in the matsutakeinfected pine seedlings was 50% (14) in two years and 71% (10) in one year after their transplantation. The average height at time of transplantation of the matsutake-infected pine seedlings that bore surviving mycelia after transplantation was 25 cm (minimum 12 cm to maximum 40 cm). In conclusion, the matsutake mycelium of matsutake-infected pine seedlings was able to survive in field conditions if the height of the seedling at the time of T. matsutake infection was at least 12 cm. These results suggest that the height of the host plants used in conventional matsutake-infected pine seedling production should be greatly reduced to improve the matsutake cultivation. Therefore, standardization of the seedling height for artificial cultivation of pine mushrooms by the matsutake-infected pine seedling method is suggested.