• 대한한의학회지
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• 제38권4호
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• pp.90-103
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• 2017

Objectives: This study was designed to confirm the effects of the Korean Medicine health promotion program targeting young children. One important aspect of the Korean Medicine health promotion program for children is to bring awareness of health benefits of introducing Korean Medicine methods to young children and to promote incorporating such methods in children's daily activities to develop healthy habits. Methods: The following experiment was conducted for 6 weeks, and the participants were in the age between 2 to 6 years old from 6 child care centers in Wonju and Chungju. 268 participants were in the intervention group, and 277 in the control group. To measure the outcomes of the Children Korean Medicine health program, the intervention group received Korean Medicine prevention programs (children education, parent education, growth exercises, common cold prevention scarf, and pear herb tea), control group did not. This research collected and compared the following data as the children's health indicators to measure the outcomes before and after the program: medical services usage, the number of absences, early leaves, and tardiness to the child care centers due to the participant's health condition. Results: After applying the children's health promotion programs on children between the age of 2-6, there was a decrease in the overall medical services usage, absences, early leaves, and tardiness to the child care center. This health promotion program was purely based on Korean medical theories and Korean Medicine resources without any conventional medical mediation. Conclusions: It can be concluded that a positive change was noted in raising awareness of Korean Medicine through educating both the parents and children. By learning to incorporate Korean Medicine prevention practices to daily habits, not only was there a reduction in the Medical services usage, but the children also became familiar and comfortable with Korean Medicine and its treatment procedures; the overall satisfaction level of the program was also high.

• 한국약용작물학회지
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• 제15권5호
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• pp.362-366
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• 2007

This study was conducted to evaluate the status of habitat distribution, environmental characteristics and plant species growing with Lonicera japonica in its habitats. In the distribution of plant coverage below 30%, it was 84.6% in the inland area and 80.7% in the seashore area. There was similar coverage in both inland and seashore areas. But the average relative coverage in the seashore area was 26.1%, which is a little higher than that of the inland area (22.5%). In the habitats, both inland and seashore areas showed a high distribution ratio below 10 degrees. But among them, inland areas showed a high distribution ratio (62.4%) below 10 degrees, which was about twice as much as the seashore areas (32.2%). Habitat distribution was most often found on the southern slopes in both inland and seashore areas. The average soil pH of Lonicera japonica habitat was 5.2 in the inland areas and 6.9 in the seashore areas. Also, the seashore areas showed little content of $P_2O_5$, but high content of K, Mg, Na on the other hand compared to the inland area. Miscanthus sinensis was the highest importance value (16.4) among plants growing with Lonicera japonica in their habitats in both inland and seashore areas. But in the inland areas, Artemisia princeps showed the highest importance value, and Miscanthus sinensis was the highest in the seashore areas.

• 한국식품영양과학회지
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• 제41권2호
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• pp.168-173
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• 2012

항혈전 효능을 탐색하기 위하여 한약재의 호장근 추출물로 혈전 용해능 활성과 혈액 응고시간 지연효과 즉 PT(prothrombin time), APTT(activated partial thromboplastin time)와 혈소판 응집억제 활성 등에 대해 항혈전 효능을 평가하였다. 혈전용해도를 측정하는 fibrin plate가 용해되어 형성된 투명환의 넓이를 측정하는 실험을 진행한 결과 혈전 용해도가 농도의존적으로 탁월한 효능을 나타내었다. 혈액응고 cascade에 미치는 영향을 알아보기 위해 혈액 응고시간 지연 및 단축 효과를 확인하고자 APTT와 PT에 미치는 영향을 조사한 결과 PT의 경우 대조군보다 단축됨을 보였다. APTT의 경우 농도의존적으로 우수한 지연효과를 보였다. 혈소판의 응집에 따라 형성되는 두 전극 사이에 형성된 전기적 저항의 변화로 나타나는 실험을 시행한 결과 호장근의 ADP로 유도한 결과에서 뛰어난 응집억제 활성을 보였다. 따라서 호장근을 향후에 혈전 질환의 치료제 개발에 효과적으로 이용될 수 있을 것으로 사료된다.

• 대한한방내과학회지
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• 제33권2호
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• pp.197-208
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• 2012

Objectives : Gleditsiae Spina has the effects of expelling toxins, draining pus, invigorating blood and resolving abscesses. Some clinicians apply the herb for patients suffering from cancer. However, its anti-cancer activities are not well understood. In the present study, anti-tumor agents from Gleditsiae Spina were purified. Methods : The viability of the PC-3 cell line was determined using MTT assay, and the induction of apoptosis by Gleditsiae Spina extract in PC-3 cells was measured by Annexin-V/propidium iodide double staining assay detected by flow cytometry. TLC and HPLC analysis were used to separate and identify the anti-cancer agents. Results : Treatment of the extract resulted in significant decreased cell viability of PC-3 cells in a dose- and time-dependent manner. Dose-dependent apoptotic cell death was also measured by flow cytometry analysis. The anti-cancer agents were successfully separated and identified by using TLC and HPLC analysis and the most potential agent among them was separated from EtOAC fraction. Conclusions : These results might be applied in developing new drugs from natural resources like Korean traditional medicine, and also support the clinical usefulness of herbal medicine.

• 생명과학회지
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• 제20권8호
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• pp.1230-1234
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• 2010

천연 허브에서 추출된 정유의 스트레스 완화능이 알려지면서 화장품, 식품 산업뿐 아니라 다양한 기능성 제품에 활용되고 있다. 본 연구에서는 정유 향 흡입의 스트레스 완화 효과에 대한 과학적인 근거를 마련하기 위하여 마우스의 구속 스트레스에 대한 3가지 정유의 흡입 효과를 비교 하였다. 마우스를 1시간 구속한 경우 혈청 코티졸 농도의 유의적인 상승, 체온의 저하 및 혈중 중성지질의 상승을 확인하였으며, 10% 라벤더 오일을 30분간 흡입 한 경우, 혈청 코티졸 농도 상승 및 체온 저하가 유의적으로 억제되어 스트레스 완화 효과가 가장 좋았다. 한편 혈중 중성지질의 증가 억제효과는 실버퍼 오일 흡입에서 유의적으로 감소하였다. 본 연구에서는 폭넓게 사용되는 정유를 이용하여 정유 향 흡입의 스트레스 완화 효과를 측정 함으로서 앞으로의 연구와 활용에 대한 기본적인 과학적 근거를 마련하였다.

• Journal of Plant Biotechnology
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• 제43권2호
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• pp.174-180
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• 2016

Licorice plant (Glycyrrhiza spp.) is an important herb, but the major portion of the national demand is imported to Korea because the domestic production base is vulnerable. We performed basic molecular breeding research for domestic cultivation and production. All publicly available G. uralensis EST sequences, which totaled 56,089, were assembled into 4,821 unigenes and examined for microsatellites. Eight polymorphic microsatellite loci were identified and 16 G. uralensis and 6 G. glabra accessions, which were collected from different locations, were genotyped using the microsatellites. Genetic diversity within the accessions was estimated by construction of a dendrogram. The dendrogram was clustered into two groups. The results showed that there is a correlative genetic relationship between species. The microsatellite markers were found to be useful for diversity analysis as they are able to successfully distinguish the Glycyrrhiza accessions.

• Journal of Forest and Environmental Science
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• 제30권3호
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• pp.285-292
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• 2014

Essential oil yields and chemical compositions from 5 populations of Chamaecyparis obtusa with several environmental factors were investigated through essential oil extracted distillation apparatus and metabolite profiling by GC-MS analysis. Among the populations, content of essential oil at Gokseong was significantly higher than other populations. To compare the several environmental factors affecting on chemical composition and essential oil yields from C. obtuse at Gokseong, the environmental factors (soil condition, temperature, humidity, and moisture content) were measured during 1 year. The essential oils at Goksung based on humidity on March, July, and November was significantly different from other months. The essential oils at Goksung based on temperature on July and August was significantly different from other months. The essential oils at Goksung based on the moisture content on September were significantly different from other months. The percentage of T-N, OM, and yield of oil at Gokseong were significantly different on from other populations. The main constituents of C. obtusa at all populations were ${\alpha}$-pinene, ${\beta}$-pinene, ${\alpha}$-terpinene, ${\gamma}$-terpinene, terpinene-4-ol, isobonyl acetate, terpinyl acetate, and cedar acetate. Specially, Essential oil compositions (%) of ${\alpha}$-terpinene and cedar acetate were higher at Gokseong than at other populations. The chemical compositions of essential oils were variable depend on populations and environmental conditions. Therefore, this study might be used as fundamental research on study for selection of high productive terpenoids and for understanding about biosynthesis of essential oils in C. obtusa.

• The Korean Journal of Physiology and Pharmacology
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• 제22권4호
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• pp.437-445
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• 2018

${\alpha}$-Iso-cubebene (ICB) is a dibenzocyclooctadiene lignin contained in Schisandra chinensis (SC), a well-known medicinal herb that ameliorates cardiovascular symptoms, but the mechanism responsible for this activity has not been determined. To determine the role played by ICB on the regulation of vascular tone, we investigated the inhibitory effects of ICB on vascular contractile responses by adrenergic ${\alpha}$-receptor agonists. In addition, we investigated the role on myosin light chain (MLC) phosphorylation and cytosolic calcium concentration in vascular smooth muscle cells (VSMC). In aortic rings isolated from C57BL/6J mice, ICB significantly attenuated the contraction induced by phenylephrine (PE) and norepinephrine (NE), whereas ICB had no effects on KCl (60 mM)-induced contraction. In vasculatures precontracted with PE, ICB caused marked relaxation of aortic rings with or without endothelium, suggesting a direct effect on VSMC. In cultured rat VSMC, PE or NE increased MLC phosphorylation and increased cytosolic calcium levels. Both of these effects were significantly suppressed by ICB. In conclusion, our results showed that ICB regulated vascular tone by inhibiting MLC phosphorylation and calcium flux into VSMC, and suggest that ICB has anti-hypertensive properties and therapeutic potential for cardiovascular disorders related to vascular hypertension.

• 동의생리병리학회지
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• 제16권3호
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• pp.584-587
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• 2002

It has been suggested that oxidative stress may play an important role in the pathogenesis of diabetic complications. The purpose of this study was to examine the oxidative stress of streptozotocin(STZ) in the cultured mouse cerebral neurons and the preventing effect of vitamin E and and Benincasae Semen(BS) on STZ-induced neurotoxicity. Cytotoxic effect of STZ and neuroprotective effect of antioxidant and BS were performed by MTT assay. 30 μM STZ decreased cell viability in dose-and time-dependent mannner, and vitamin E and BS diminished STZ-induced neurotoxicity in these cultures. From above the results, STZ has toxic effect. and antioxidants, vitamin E or herb extract of BS is very effective against STZ-induced neurotoxicity in cultured cerebral neurons of neonatal mouse.

• Journal of Plant Biotechnology
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• 제39권3호
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• pp.182-188
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• 2012

Iris dichotoma Pall. is an important endangered plant belonging to the family Iridaceae. A method was developed for the rapid micropropagation of I. dichotoma through plant regeneration from leaf, rhizome, and root explant-derived calli. Leaf, rhizome, and root segments were cultured on Murashige and Skoog (MS) medium supplemented with 2,4-dichlorophenoxy acetic acid (2,4-D; $0-3.0mg{\cdot}L^{-1}$) for callus induction. Callus production was highest at $1.0mg{\cdot}L^{-1}$ 2,4-D, where 73.8% and 45.5% of cultured rhizome and root cuttings, respectively, produced calli. The viable calli were maintained at an induced concentration of 2,4-D ($3.0mg{\cdot}L^{-1}$). They were then transferred to MS medium supplemented with various concentrations of 2,4-D ($0-3.0mg{\cdot}L^{-1}$) in combination with 6-benzyladenine (BA: 0, 1.0 and $3.0mg{\cdot}L^{-1}$) for adventitious shoot regeneration. The addition of a low concentration of 2,4-D into BA-containing medium significantly increased the frequency of shoot regeneration in leaf, rhizome, and root-derived calli. The highest number of adventitious shoots (26.4 per callus) formed at $0.5mg{\cdot}L^{-1}$ 2,4-D and 1.0 mg/l BA. For rooting of the shoots, half- strength MS medium supplemented with different concentrations of indole 3-butyric acid (IBA) $0-3.0mg{\cdot}L^{-1}$ was tested. The optimal results were observed using half-strength MS medium supplemented with $1.0mg{\cdot}L^{-1}$ IBA, on which 98% of the regenerated shoots developed roots with an average of 3.5 roots per shoot within 45 days. The plantlets raised in vitro were acclimatized and transferred to soil with 95% success. This in vitro propagation protocol will be useful for conservation and mass propagation of this endangered plant.