• Journal of the Korean Wood Science and Technology
• /
• v.32 no.3
• /
• pp.79-87
• /
• 2004

The objectives of this study were to select superior fungus for lignin degradation and to decolor dyes by selected fungus. Ligninolytic fungi were screened and isolated from decayed woods. Ten ligninolytic fungi were selected by ligninolytic enzyme activity on the PDA media containing rhemazol brilliant blue R, guaiacol and gallic acid. Their lignin degradation abilities were tested on the extractive-free wood powder of Quercus acutissima and Pinus densiflora. As a result, 8J-28 was selected as superior fungus for lignin degradation. Also, decolorization abilities of dyes were examined by shaking and static culture. And congo red, crystal violet, poly R-478, methylene blue used to investigate decolorization abilities of dyes. As a result, 8J-28 showed over 90% in decolorization of congo red, crystal violet, poly R-478.

• Journal of the Korean Wood Science and Technology
• /
• v.28 no.2
• /
• pp.42-48
• /
• 2000

Two stilbenoids and two flavonoids were isolated from ethylacetate fraction of ethanol extract of Morns bombycis heartwood. These four compounds were identified 2',3,4',5-tetrahydroxystilbene(oxyresveratrol), 3,4',5-trihydroxystilbene (resveratrol) as stilbenoids, and 2',3,4',5,7-pentahydroxyflavone(morin), 3,4',5,7-tetrahydroxyflavan((+)-afzelechin) as flavonoids by Mass and NMR spectroscopic analysis.

• Korean Parent-Child Health Journal
• /
• v.17 no.1
• /
• pp.8-17
• /
• 2014

Purpose: The purpose of this study is to analyze community-based health promotion program for school-aged children and program using forest. Methods: Seventeen health promotion programs focused on school-aged children from Community Health Plan were selected to analyze after assembling 227 of the 5th National Community Health Plans. The analysis duration was from 2012 July to November. Results: Among 17 programs, the health promotion program targeting school-aged children were included in 16 programs except one program focusing on community- orientated rehabilitation program. Eight health promotion programs using forest in 7 different areas were found. The majority of the community-based health promotion programs were focused mainly on smoking cessation, obesity, physical activity, nutrition, mental health programs. Furthermore, there was a limitation of programs utilizing forest as a health promotion resource and most of the programs using forest were located in Jeollanamdo and focusing mainly on atopy prevention and treatment. Conclusion: The importance of this study is that it analyzed nation-wide community health plan systematically, and analyze community-based health promotion program targeting school-aged and the program using forest. The results of the analysis can be used as baseline data for developing physical and mental health promotion programs using forest targeting school-aged children.

• 한국약용작물학회:학술대회논문집
• /
• 2007.05a
• /
• pp.151-152
• /
• 2007

• Journal of Forest and Environmental Science
• /
• v.34 no.3
• /
• pp.258-261
• /
• 2018

Drought alters soil microorganisms; however, it is still not clear how soil microbes respond to severe drought conditions. In this study, the responses of soil bacterial community to experimental drought in a coniferous stand were examined. Six $6m{\times}6m$ plots with three replicates of control and drought treatments were delimited. PCR amplification and Illumina sequencing were conducted for cluster analysis of soil bacterial community and species richness and species diversity was analyzed. Along the 393 days of simulated drought from July 2016 to October 2017, soil bacterial species diversity slightly increased whereas species richness decreased in both control and roof plots. Moreover, soil bacterial species richness more decreased in roof plots than in controls. Combining these results, soil bacterial activity might have been altered by simulated drought.

• 한국약용작물학회:학술대회논문집
• /
• 2011.04a
• /
• pp.268-269
• /
• 2011

• 한국약용작물학회:학술대회논문집
• /
• 2011.04a
• /
• pp.270-271
• /
• 2011

• 한국약용작물학회:학술대회논문집
• /
• 2011.09a
• /
• pp.254-255
• /
• 2011

• Journal of Korean Society of Forest Science
• /
• v.76 no.4
• /
• pp.330-337
• /
• 1987

Megagametophyte tissues from seeds of 45 loblolly pine clones were subjected to horizontal starch-gel electrophoresis. The resulting gels were tested for activity of five enzyme systems (GOT, SDH, PGM, MDH, and AP). Isozymes observed were under control of 11 loci. All 45 clones could be identified with unique genotypes at above 10 loci.

• Journal of Korean Society of Forest Science
• /
• v.30 no.1
• /
• pp.42-49
• /
• 1976

In order to study the variations of isoperoxidases of four parts of L. cyrtobotrya, leaves, secondary phloem, fibrous root, ovary were collected on september 29, 1975, respectively from 12 individuals which were planted in the compound of Institute of Forest Genetics, suwon, Korea. No variation of isoperoxidases appeared among the same parts which were collected from the same individual. There was a great variation in the pattern of isoperoxidase band among the 12 individuals in leaves, secondary phloem, fibrous root, and ovary. Regarding to the common occurrence band, the number was 7 in the leaves, secondary phloem, and fibrous root, while 35 bands were appeared in the ovary part. These was a great variation of occurrence band in four parts of Lespedeza. But the number of band in the parts of the Lespedeza was 4.50-5.16 on average, on the other hand there was no significant difference. No variation was observed in the activity of isoperoxidase in leaves. On the other hand, there was small varation in the secondary phloem, fibrous root and ovary.