• 대한한방내과학회지
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• 제3권1호
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• pp.23-32
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• 1986

As a result of administration of Coptidis Rhizoma extract and Zingiberis Rhizoma extract to Rat and Rabbit, its effect to the Gastric Juice Volume, Acidity, Pepsin out put of Rat and the movement of Intestine, Pulse Rate of Rabbit was as follows; 1. In the secretion of Gastric Juice, the Juice Volume in Coptidis Rhizoma administered group in contrast to Control Group, has increased in 30mg the increasing rate 21.4%, and has decreased in 300mg the decreasing rate 113.9%. But the Juice Volume in Zingiberis Rhizoma administered group has all decreased in 12, 30, 60, 120mg, and has remarkably decreased in 60mg the decreasing rate 62.9%. 2. The Gastric Acidity in Coptidis Rhizome administered group, in contrast to Control Group, has increased in 30, and 75mg, but no significant value, and has decreased in 300mg the decreasing rate 104.7%. But the Gastric Acidity in Zingiberis Rhizoma administered group has all decreased in 12, 30, 60 120mg, and has remarkably decreased in 60mg the decreasing rate 105.6%. 3. The Pepsin out-put in Coptids Rhizoma administered group, in contrast to Control group, has increased in 30mg the increasing rate 30.3%, and has decreased in 150, 300mg, no significant value. But the Pepsin out-put in Zingiberis Rhizoma administered group has all decreased in 12, 30, 60, 120mg, and has remarkably decreased in 60mg the decreasing rate 86.4%. 4. In the movement of Intestine, the contraction Coptidis Rhizoma administered group, in contrast before the administration, has increased in 12mg, but has begun to decrease in 30mg, and has remarkably decreased in 70mg. The contraction in Zingiberis Rhizoma administered group, in contrast before the administration, has all increased in 30, 60, 120mg. 5. In Pulse Rate, the pulsation, in contrast to Control group after 60, 120 180, 240min. has decreased in Coptidis Rhizoma administered group, and has increased in Zingiberis Rhizoma administered group, but no significant value.

• Journal of Periodontal and Implant Science
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• 제26권3호
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• pp.681-688
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• 1996

Periodontal regeneration requires the migration and proliferation of gingival fibroblasts and periodontal ligament cells. These cellular events are influenced and regulated by growth factors and some drugs. The purpose of this study is to examine the effect of Rhizoma coptidis and Centella asiatica extracts on human gingival fibroblasts. Gingival fibroblasts were primarily cultured from extracted premolar with non-periodontal diseases. Cells were cultured with ${\alpha}-MEM$ at $37^{\circ}C$, 5% $CO_2$, 100% humidity incubator for 2 or 3 days, as a measure of cell proliferation potential, it was examined that the DNA synthesis using $[^3H]-thyrnidine$ incorporation, the cell numbers (with or without dye), and cell viabilities. Rhizoma coptidis is increased the proliferation of gingival fibroblasts at concentration of $10^{-9}g/ml$, but Centella asiatica is decreased the proliferation at all concentrations. This study demonstrated that Rhizoma coptidis is a potential mitogen for human gingival fibroblasts in vitro, and we can expect the usefulness of this drug in periodontal regeneration.

• 생약학회지
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• 제33권3호통권130호
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• pp.182-186
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• 2002

The Coptidis rhizoma is known for containing protoberberine alkaloids. Berberine, coptisine and palmatine are the major constituents of protoberberine alkaloids. The alkaloids were isolated and determined by forming complex compounds from Coptidis rhizoma in preparation I(Sam-Hwang-Sa-Sim-Tang) and II(Hwang-Ryen-Tang). For the determination of these alkaloids, a new spectrophotometric method was developed with a simple and selective sample clean-up using thiocyanatocobaltate[II] complex compound ion. The absorbance of alkaloidal complex compounds in l.2-dichloroethane solution was measured at 625 nm. Calibration curve for the alkaloids isolated from Coptidis rhizoma was linear over the concentration range of 0.2-0.3 mg/ml. The method was proved to be rapid, simple and reliable for the isolation and the determination of the alkaloids in Coptidis rhizoma preparation I and II.

• 한국의류학회지
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• 제42권6호
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• pp.1016-1024
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• 2018

Lifestyle of Health and Sustainability (LOHAS) influences the development of hygienic and health-oriented functional textile products; consequently, there has been an increase in the prospects for environmentally friendly natural dyeing products with functional and sensitive characteristics. Therefore, the present study expresses a functional manifestation on fabrics by treatment with chitosan and tannin using natural Coptidis Rhizoma. Cotton and wool fabrics dyed with Coptidis Rhizoma after treatment with chitosan and tannin. Consequently, the antibiosis of fabric dyed with Coptidis Rhizoma was excellent with 99.9% bacterial reduction for Staphylococcus aureus and Klebsiella pneumoniae in both fabrics. The deodorization rate was more than 90.0% in both fabrics after 120 minutes. The UV-A protection rate was 88.2% and the UV-B protection rate was 87.7% for cotton. The UV-A protection rate was 88.2% and the UV-B protection rate was 84.3% for wool fabric. Therefore, both of the dyed fabrics showed excellent UV protection by treatment with only chitosan and tannin, without mordants. Therefore, chitosan and tannin treatments were able to manifest functionalities in the fabrics dyed with Coptidis Rhizoma.

• 한방안이비인후피부과학회지
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• 제19권1호
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• pp.11-20
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• 2006

Objective : This experimental study was performed to investigate the effect of herbal eye drops, Sean-tang and Coptidis rhizoma on Staphylococcus aureus, Staphylococcus epidermidis and Pseudomonas aeruginosa keratitis. Methods : After administering herbal eye drops (Sean-tang, Coptidis rhizoma) on Staphylococcus ausreus, Staphylococcus. epidermidis and Pseudomonas aeruginosa, I measured MIC and the size of inhibition zone. MIC was measured by dropping to $50{\mu}{\ell}$ according to density(l00%, 10%, 1%, 0.1%). Anti-bacterial potency was measured by the size of inhibition zone with change of volume. Result : On Staphylococcus aureus, Staphylococcus epidermidis, Coptidis rhizoma showed the highest anti-bacterial potency and on Pseudomonas aeruginosa, Sean-tang, Coptidis rhizoma was nor anti-bacterial potency. Conclusions : The present author think that the herbal eye drops, Sean-tang and Coptidis rhizoma can be used to cure Staphylococcus aureus, Staphyloccus epidermidis keratitis and if further study is performed, the use of the herbal eye drops will be valuable and beneficial in the clinical medicines.

• 대한한방내과학회지
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• 제22권4호
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• pp.703-707
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• 2001

Each decoction of Coptidis Rhizoma, Scutellariae Radix and Phellodendri Cortex was orally administrated to the rates. And the effects on the Gastrin and Uropepsin secretions were observed. The results were as follows: 1. The effects on the secretio of Gastrin in the experimental groups administrered each with Coptidis Rhizoma and Scutellariae Radix comparing with the normal group, showed signficant values P<0.05, P<0.02, P<0.01 and P<0.001 separately. However the group medicated with Phellodendri Cortex showed significant values only 30 minutes after the administration. 2. Uropepsion level in the experimental group administered each with Coptidis Rhizoma and Phellodendri Cortex, comparing with the normal group, showed highly significant statistic values (P<0.001). Another experimental group medicated with Scutellariae Radix showed significantly statistical values (P<0.001) 240 minutes after the administration. 3. According to the above mentioned results it was onculuded tat the secretion of Gastrin in plasma and Uropepsin content of urine in albino rats treated with Coptiodis Rhizoma decoction were remarkaby increased as comparing with Scutellariae Radix and Phellodendri Cortex decoction.

• 한방안이비인후피부과학회지
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• 제12권1호
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• pp.18-35
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• 1999

Coptidis Rhizoma, Fraxini Cortex, Jinpisan(秦皮散) have been as eye washes of inflammatory eye disease in the oriental medicine. Especially Jinpisan(秦皮散) has been used for the disease which is similar to Peudomonas aeruginisa keratitis. This research was attempted to investigate the effect of Coptidis Rhizoma, Fraxini Cortex, Jinpisan(秦皮散), on Peudoronas aeruginisa keratitis. Pseudomonas aeruginosa keratitis causes a deep rapid intense ulceration which often leads to perforation of the cornea within 48 hours. In this research, we induced keratits in the rabbits by inoculating Pesudomonas aeruginosa(9027) and observed the effect on the keratitis and the irritation against the external eye. Also we mesured the minimum inhibitory consentration(MIC) of Coptidis Rhizoma, Fraxini Cortex, Jinpisan(秦皮散) by agar diliution method and the anti-bacterial activites by disk method. The tested bacteria were as follows : a) Pseudomonas aeruginosa (9027), b) Streptococcus pneumoniae(6303), c) Staphylococcus epidermidis(12228), d) Staphylococcus aureus(6538P). The results were as follows ; 1. The groups which were applied eye washes of Fraxini Cortex, Jinpisan reavealed a significant effect, but the group applied eye wash of Coptidis Rhizoma reveaded no effect on Pseudomonas aeruginosa keratitis. 2. Applying eye washes of Coptidis Rhizoma, Fraxini Cortex, Jinisan revealed an irritation against external eyes. 3. Coptidis Rhizoma showed an anti-bacterial activity on Pseudomonas aeruginosa, Streptococcus pneumoniae, Staphylococcus epidermidis, Staphylucoccus aureus by agar diliution method 4. Coptidis Rhizoma showed an anti-bacterial activity on Pseudomonas aeruginosa, Streptococcus pneumoniae, Staphylococcus epidermidis, Staphylococcus aureus by disk method. 5. Fraxini Cortex showed an anti-bacterial activity on Pseudomonas aeruginosa, Streptococcus pneumoniae, Staphylococcus epidermidis, Staphylococcus aureus by agar diliution method 6. Fraxini Cortex showed an anti-bacterial activity on Pseudomonas aeruginosa, Sireptococcus pneumoniae, Staphylococcus epidermidis, Staphy1ococcus aureus by disk method. 7. Jinpisan showed an anti-bacterial activity on Pseudomonas aeruginosa, Streptococcus pneumoniae, Staphylococcus epidermidis, Staphylococcus aureus by agar diliution method. 8. Jinpisan showed an anti-bacterial activity on Pseudomonas aeruginosa, Streptococcus pneumoniae, Staphylococcus epidermidis, Staphylococcus aureus by disk method. According to the above results, Fraxini Cortex, Jinpisan(秦皮散) are recognized to have an effective treatment on the Pesudomonas aeruginosa keratitis, so this experiment is thought to be a basic ingredient in proving the effect of Fraxini Cortex, Jinpisan which is applied many in documents and clinical medicine. In the comparison of anti-bacterial activity and results of treatment on the Pesudomonas aeruginosa keratitis, Jinpisan(秦皮散) was more effective than Coptidis Rhizoma, Fraxini Cortex.

• 대한한방소아과학회지
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• 제33권2호
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• pp.12-21
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• 2019

Objectives Coptidis Rhizoma and Glycyrrhiza Uralensis are herbs that treat obesity and dampness-phlegm. The aim of this study is to investigate the efficacy of Coptidis Rhizoma and Glycyrrhiza Uralensis on lipid deposition with nonalcoholic fatty liver disease (NAFLD). Methods Male 6-week-old C57BL/6 male mice were divided into three groups: control group (Ctrl), high fat diet group (HFF), and high fat diet with Coptidis Rhizoma and Glycyrrhiza Uralensis extract administration group (CGT). Each 10 mice were allocated to each group (total of 30 mice). All mice were allowed to eat fat rich diet freely throughout the experiment. To examine the effect of Coptidis Rhizoma and Glycyrrhiza Uralensis, we observed weight changes, total cholesterol and glucose levels, lipid blot distributions, PGC-1, p-$I{\kappa}B$, and p-JNK. Results Body weights for all mice were measured and analyzed the difference between the groups. Weight gain was significantly lower in CGT group than the HFF group. Total cholesterol and glucose levels were significantly lower in CGT group. The distribution of lipid blots and positive reaction of PGC-1 were significantly lower in CGT group. The positive reaction of p-$I{\kappa}B$ in hepatic tissues was significantly lower in CGT group. The positive reaction of p-JNK in hepatic tissues was significantly lower in CGT group. Conclusions Coptidis Rhizoma and Glycyrrhiza Uralensis have the effect of improving non - alcoholic fatty liver induced insulin resistance through regulation of lipid metabolism.

• 한방비만학회지
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• 제11권1호
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• pp.35-46
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• 2011

Objectives This study was designed to examine antimicrobial effects of Fermented Coptidis rhizoma and Lonicerae Flos against pathogens. Methods Lactobacilli MRS broth was added to 200mL glass bottle containing 20% herb powder(w/v) followed by 30 minute sonication and then shaking at 70 rpm in $70^{\circ}C$ water bath for 3 hours in order to extract fermented herb. Fermented herb extract was autoclaved at $121^{\circ}$ for 15minutes. $2{\times}10^7$ CFU/mL subcultured bacteria was inoculated and cultured for 24 hours and centrifuged at 3000 rpm for 5 minutes. After transferring to 15 mL conical tube, the viable cells were counted. Results and Conclusion Fermented Coptidis rhizoma and Lonicerae Flos both showed antimicrobial effect on pathogens especially when Fermented Coptidis rhizoma was experimented against Staphylococcus aureus.

• 한국의류산업학회지
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• 제20권2호
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• pp.210-218
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• 2018

The natural dye product market is expanding due to the recent interest in environmentally friendly products. This study examines dyeing using natural Coptidis Rhizoma. Chitosan and Tannin was treated to improve dyeability of Coptidis Rhizoma after finding the proper dyeing condition. In addition, dyeing characteristics were compared according to mordant types along with the mordanting methods for dye fixing and color change. The results indicated that the optimum dyeing condition was to treat the concentration of 5% (o.w.b.) at $80^{\circ}C$ for 90 minutes. By the chitosan and tannin treatments, K/S value of cotton fabrics by 3 times and those of wool fabrics by 2 times increased and color depthing of dyed fabrics was achieved after 2 cycles repetition. To improve dyeability, iron mordanting was most effective; in addition, the K/S Value of pre-mordanting fabrics versus post-mordanting fabrics increased the most. The color of the surface was changed to reddish yellow when Sn, Cu mordanting, and to greenish blue when Fe mordanting. The lightfastness of dyeing fabric with mordanting was weak at 1-2 grades, but the washing fastness was good for 4 grades and the rubbing fastness and sweat fastness were as good as those of the 3-4 grades. As a result, this study could help improve the dyeability of expensive Coptidis Rhizoma.