Analysis of Essential Oil from Perennial Herbaceous Plants
- H. Chung, Jun-Yeon Park, Y. Ahn, Sanghyun Lee, K. Shin
- Chemistry
- 2009
The chemical composition of essential oil from the perennial herbaceous plants (Houttuynia cordata, Filipendula glaberrima, Peucedanum japonicum, and Ainsliaea acerifolia) was determined by GC/MS…
GC/MS Analysis of Volatile Constituents from Broad-Leaved Indeciduous Trees
천연향료의원료인정유(essential oil)는식물에서채취한방향성의휘발성유지를일컫는데, 주로식물의내분비선에서분비되는이차대사산물로서꽃, 잎, 열매, 목질부및수피등에이르기까지거의모든부위에존재한다. 식물종이나부위에따라독특한향기와향미를나타내고, 식물의종류에따라테르펜류,방향족알데히드, 케톤, 페놀, 알콜류를비롯하여각종에스테르화합물등이존재한다. 오래전부터인도,…
Plant Terpenes Enhance Survivability of Polychlorinated Biphenyl (PCB) Degrading Pseudomonas pseudoalcaligenes KF707 Labeled with gfp in Microcosms Contaminated with PCB
- E. Oh, S. Koh, Eungbin Kim, Y. Ahn, J. So
- Engineering, Biology
- 1 June 2003
It was proposed that the gfp-monitoring system is very useful and terpenes enhance the survivability of PCB degraders in PCB-contaminated environments.
Comparison of Ecological Characteristics of Parasenecio firmus Population in Korea and China
- Ying-hua Jin, Y. Ahn
- Environmental Science
- 28 February 2010
The investigation of native habitat in Korea shows that P. firmus inhabited deciduous forest from with T. amurensis, Acer pictum subsp.
Ecological study of the flora at Tumen river area, border of North Korea and China
- Y. Ahn
- Environmental Science
- 1 February 2003
This study was executed by China along with the Tumen river, which formed border of North Korea and China. As a result 91 family, 282 genera, 363 species, 57 variety 4 species, total 424 taxa of…
Ultrastructure of poplar cortical cells during the transition from growing to wintering stages and vice versa
- S. Sagisaka, M. Asada, Y. Ahn
- BiologyTrees
- 1 October 1990
Electron microscopic studies revealed that major cytological changes in the cortical cells of poplar began to occur in early September in conjunction with the metabolic transition from the growing to the wintering stage, and the structure of the cells continued to undergo changes to accommodate growth, which occurred in early May.
Apicin, A new flavonoid from Artemisia apiacea
- Sung-Jin Lee, H. Kim, Sang Hyun Lee, Hyun Young Kim, B. Um, Y. Ahn
- Chemistry
- 2006
Artemisia species spreads widely in nature and are genus of the family Compositae consisting of more than 350 species. A. apiacea is distributed at wasteland and river beaches of Korea, Japan and…
Articles : Aldose Reductase Inhibition by Luteolin Derivatives from Parasenecio pseudotaimingasa
- H. Kim, J. Lee, Ki Ho Lee, Y. Ahn, Sanghyun Lee
- Chemistry
- 2011
Effects of the extract and fractions from Parasenecio pseudotaimingasa on rat lens aldose reductase (AR) inhibition have been investigated. Among them, the n-BuOH fraction was exhibited good…
Whitening Activities of Ethanol Extract from Polygonum amphibium L.
- B. Hwang, Seung Young Lee, Yong-Tae Jeong
- ChemistryMicrobiology and Biotechnology Letters
- 28 June 2019
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