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The Role of Garden Plants in Modern Culture - Focusing Japanese Garden Plants -
Koshio, Kaihei,Kim, Tae-Soon,Shin, Jeong-Hwa,Song, Won-Seob,Boo, Hee-Ock The Plant Resources Society of Korea 2011 한국자원식물학회지 Vol.24 No.3
The recent disaster of earthquake and tsunami on March 11, 2011 severely attacked East Japanese cities and people, and in addition, the accident of nuclear power station will inevitably damage the agricultural activities there. The economical depression influences on the horticulture and floriculture industry as well, through the reluctant consumption all over the country. Such a situation reflects a conventional perception that the garden plants or ornamental plants have been regarded as a symbol of capitalism, representing the success, luxury, beauty or other metaphors indicating the winners of business war. But as the word "culture" means "cultivation" originally, horti "culture" or flori "culture" should have played some roles in cultivating lands as well as cultivation of human minds, leading to develop a modern "culture" which may lay emphases on personality, originality, partnership, cooperation, diversity and so forth. In this article, a brief history of garden plants in Japan, as well as some current movements in Japanese horticulture and floriculture, is reviewed with some commodities which possess messages on creating a new humane culture.
Boo, Hee-Ock,Kim, Tae-Soon,Koshio, Kaihei,Shin, Jeoung-Hwa,Chon, Sang-Uk The Plant Resources Society of Korea 2011 한국자원식물학회지 Vol.24 No.6
The aim of this study was to determine total phenolics (TP) content, total flavonoids (TF) level, and antioxidant activity of methanol extracts from leaf parts of 15 Vietnamese wild plants. TP content showed the highest amount in methanol extracts from Altenanthera sessilis ($409.7{\pm}1.4$ ppm), and followed by Eclipta prostrata ($183.6{\pm}3.8$ ppm) and Cassia tora ($159.3{\pm}5.7$ ppm). The highest TF level also was found in A. sessilis ($156.3{\pm}1.7$ ppm), followed by E. prostrata, and C. tora, showing similar tendency to TP. Methanol extracts of A. sessilis, E. prostrate and C. tora at 1000 ppm exhibited the highest DPPH radical scavenging activity by 94.5, 92.6 and 92.7%, respectively. The methanol extracts from A. sessilis showed the highest ABTS and nitrite scavenging activities by 97% and 92%, respectively. The highest correlation coefficient ($r^2$) was 0.9522 between TP and TF, and followed by 0.8919 between DPPH and ABTS activities. However, polyphenols and antioxidant activities showed low correlation coefficients, ranging from $r^2=0.4114$ to 0.4826. It was concluded that Vietnamese wild plants contain polyphenol compounds with antioxidant activities depending on plant species.
Boo, Hee-Ock,Lee, Jong-Ill,Koshio, Kaihei,Song, Won-Seob,Chon, Sang-Uk The Plant Resources Society of Korea 2011 한국자원식물학회지 Vol.24 No.3
The purpose of this study is to analyze antioxidant activity and multidrug resistance reversing activity in several Korean colored soybean (Glycine max Merr.) cultivars. Antioxidant activity of methanol extracts from colored soybean cultivars was evaluated by TBARS (thiobarbituric acid reactive substances), DPPH (1, 1-diphenyl-2-picrylhydrazyl) and ABTS (2,2'-azino-bis (3-ethylbenzothiazoline-6-sulphonic acid) methods. By means of TBARS, cultivar "Jeonnam #1" showed the highest activity until 7 days, and followed by "Black #1", "Jinyul" and "Black #3", showing lower activity than that of BHT (butylated hydroxytoluene). Methanol extracts of all cultivars proved that DPPH radical scavenging activity is dose-dependent. Methanol extract from cultivar "Jeonnam #1" showed highest DPPH radical scavenging activity, and followed by cultivars "Black #1". MDR (multi-drug resistance reversing) activity, however, showed the highest effect in "Black #3" and the lowest "Black #1" cultivar. These results suggest that seed colors of soybean may play an important role in antioxidant activity and MDR activity.
Search forn−n¯oscillation in Super-Kamiokande
Abe, K.,Hayato, Y.,Iida, T.,Ishihara, K.,Kameda, J.,Koshio, Y.,Minamino, A.,Mitsuda, C.,Miura, M.,Moriyama, S.,Nakahata, M.,Obayashi, Y.,Ogawa, H.,Sekiya, H.,Shiozawa, M.,Suzuki, Y.,Takeda, A.,Takeuch American Physical Society 2015 PHYSICAL REVIEW D - Vol.91 No.7
Search for dark matter WIMPs using upward through-going muons in Super-Kamiokande
Desai, S.,Ashie, Y.,Fukuda, S.,Fukuda, Y.,Ishihara, K.,Itow, Y.,Koshio, Y.,Minamino, A.,Miura, M.,Moriyama, S.,Nakahata, M.,Namba, T.,Nambu, R.,Obayashi, Y.,Sakurai, N.,Shiozawa, M.,Suzuki, Y.,Takeuch American Physical Society 2004 PHYSICAL REVIEW D - Vol.70 No.8