• The Korea Journal of Herbology
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• v.29 no.1
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• pp.7-12
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• 2014

Objectives : Polygoni Multiflori Radix (PMR), the roots of Polygonum multiflorum Thunberg, is used to nourish the blood and yin and used for preventing premature greying of the hair. There are some articles on its preventing effects on the melanogenesis. However, there is no report about its effects on the collagen and elastin. The present study was designed to investigate its effects on collagen metabolism and elastase activity. Methods : The effects of PMR on type I procollagen production and collagenase activity in human normal fibroblasts Hs68 after UVB (312 nm) irradiation were measured by ELISA method. Cells were pretreated with the PMR for 24 hours prior to UVB irradiation. After UVB irradiation, cells were retreated with the sample and incubated for additional 24 hours. The amount of collagen type I was measured with a procollagen type I C-peptide assay kit. The activity of collagenase was measured with a MMP-1 human biotrak ELISA system. The elastase activities after treatment of PMR were measured as well. Results : In the present study, the collagen production was not increased. However, the increased collagenase activity after UVB damage was significantly recovered to $50.2{\pm}14.5%$, $8.2{\pm}3.1%$, and $10.0{\pm}3.3%$ (10, 30, and $100{\mu}g/ml$). The elastase activities (10, 100, and $1000{\mu}g/ml$) significantly reduced to $75.2{\pm}5.2%$, $40.3{\pm}1.2%$, and $27.0{\pm}1.9%$, respectively. Conclusion : PMR showed the inhibitory effects on collagenase and elastase activity. These results suggest that PMR may have potential as an anti-aging ingredient in cosmetic herbal treatment.

• Journal of Applied Biological Chemistry
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• v.65 no.4
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• pp.287-298
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• 2022

This study investigated the changes in the physiochemical property, phytochemical content, nutritional content and antioxidant activity of Polygoni multiflori Radix by steam, aging, and fermentation. After processing Polygoni multiflori Radix (PMR), pH slightly decreased, while acidity increased (pH 5.70→4.78, acidity 0.23→0.29%). The reducing sugar content increased after aging and fermentation from 1.19 mg/g (PMR) to 1.40 (fermented PMR, FPMR), 1.30 (red PMR, RPMR), 1.53 (fermented red PMR, FRPMR), 1.99 (black PMR, BPMR), and 2.33 mg/g (fermented black PMR, FBPMR). Total phenolic content was highest in PMR (6.05 mg/g) and total flavonoids and maillard product were increased after aging and fermentation of PMR, and were the highest in BPMR (1.60 mg/g) and FBPMR (2.76 O.D.), respectively. The major phytochemical was 2,3,5,4'-tetrahydroxystilbene-2-0-α-glucoside, which were highest in PMR (64.9 mg/g) with 46.47 mg/g at FPMR, 33.94 mg/g at RPMR, 48.76 mg/g at FRPMR, 36.68 mg/g at BPMR and 34.35 mg/g at FBPMR. The main fatty acids and free amino acids were detected as palmitic acid (C16:0) and proline, respectively. Generally, 2,2-diphenyl-1-picrylhydrazyl and 2,2'-azino-bis (3-ethylbenzothiazoline-6-sulfonic acid) diammonium salt radical scavenging activities and FRAP reducing powers were shown high in PMR (39.06%, 98.32%, and 2.61 O.D. in extracts concentration 1.0 mg/mL), then were decreased after aging and fermentation.

• The Korea Journal of Herbology
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• v.28 no.6
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• pp.101-109
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• 2013

Objectives : The purpose of this study was to investigate the effects of Polygoni Multiflori Radix Water Extract (PM) on the production of inflammatory mediators in RAW 264.7 mouse macrophages induced by lipopolysaccharide (LPS). Method : We examined effect of PM Extract on the cell viability of RAW 264.7 cells. Futhermore, we investigated anti-inflammatory effect of PM Extract by the production of proinflammatory cytokines such as NO, intracellular calcium, interleukin(IL)-$1{\alpha}$, IL-3, IL-$1{\beta}$, IL-6, interferon inducible protein-10(IP-10), keratinocyte-derived chemokine(KC) and vascular endothelial growth factor(VEGF). Result : No significant changes have been found in the mouse macrophge cell viability by the PM Extract at the concentration of 25, 50, 100 and $200{\mu}g/mL$. The water extract of PM significantly inhibited the production of NO and intracellular calcium in the LPS-induced macrophages at the concentration of 25, 50, 100 and $200{\mu}g/mL$. The water extract of PM significantly inhibited the production of IL-$1{\alpha}$, IL-${\beta}$, IL-3, IP-10, KC, VEGF in the LPS-induced macrophages at the concentration of 50, 100, and $200{\mu}g/mL$; IL-6 at the concentration of 100 and $200{\mu}g/mL$ ; and IL-17 at $200{\mu}g/mL$. Conclusion : The water extract of PM significantly inhibited the production of NO, intracellular calcium, IL-$1{\alpha}$, IL-3, IL-${\beta}$, IP-10, KC, VEGF at the concentration of 50 ㎍/mL or higher in the LPS-induced macrophages with no changes in the cell viability of them. These results suggest that water extract of Polygoni Multiflori Radix has anti-inflammatory effect regulating the production of proinflammatory cytokines in the LPS-induced macrophages.

• The Korea Journal of Herbology
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• v.25 no.2
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• pp.21-39
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• 2010

Objectives & Method : We investigated toxicity, poisoning symptoms, poisoning treatment and prevention against poisoning of herbal medicines used to activate blood flow and remove blood stasis(活血祛瘀藥) in order to use herbal medicines accurately. Result : Cnidii Rhizoma(川芎), Olibanum(乳香), Myrrha(沒藥), Corydalis Tuber(玄胡索), Zedoariae Rhizoma(莪朮), Salviae Miltiorrhizae Radix(丹參), Polygoni Cuspidati Radix(虎杖根), Leonuri Herba(益母草), Persicae Semen(桃仁), Carthami Flos(紅花), Manitis Squama(穿山甲), Eupolyphaga(蟅蟲), Hirudo(水蛭), Vaccariae Semen(王不留行), Sappan Lignum(蘇木), Lacca Sinica Exsiccata(乾漆), Draconis Resina(血竭) and Leonuri Semen(茺蔚子) may give rise to some side effects or toxic symptoms in herbal medicines used to activate blood flow and remove blood stasis(活血祛瘀藥). The representative methods of poisoning treatment in western medicines are washing out the stomach, promotion of vomiting, causing diarrhea, supplies of grape sugar and symptomatic treatment, etc. The representative methods of poisoning treatment in oriental medicine take advantage of herbs. And Oriental medical doctor should meet symptoms as patients call for attention. In order to prevent against poisoning of herbal medicines used to activate blood flow and remove blood stasis (活血祛瘀藥), the patients should keep usage, dosage and notes and oriental medical doctors should do processing drugs. Conclusion : We should pay attention to clinical using of Cnidii Rhizoma(川芎), Olibanum(乳香), Myrrha(沒藥), Corydalis Tuber(玄胡索), Zedoariae Rhizoma(莪朮), Salviae Miltiorrhizae Radix(丹參), Polygoni Cuspidati Radix(虎杖根), Leonuri Herba(益母草), Persicae Semen(桃仁), Carthami Flos(紅花), Manitis Squama(穿山甲), Eupolyphaga(蟅蟲), Hirudo(水蛭), Vaccariae Semen(王不留行), Sappan Lignum(蘇木), Lacca Sinica Exsiccata(乾漆), Draconis Resina(血竭) and Leonuri Semen(茺蔚子) in herbal medicines used to activate blood flow and remove blood stasis(活血祛瘀藥).

• Journal of Physiology & Pathology in Korean Medicine
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• v.19 no.1
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• pp.159-166
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• 2005

We observed the efficacy of natural herbs and mixture in treating atopic dermatitis using anti-human IgE treated Human HMC-I cell and NCNga mice model. First, we selected three herbs, Cynonchum witfordii, Diospyros kaki, Ilite which were used to treat skin disease in Traditional Korea Medicine. Using Human HMC-I cell treated with anti-human IgE, we investigate in vitro whether each herb effects on IL-4, IL-13, $TNF-{\alpha}$ expression and $TNF-{\alpha}$, Histamine secretion value. Finally, we conducted study whether the mixture of the selected herbs is more effective than each herb which consist the mixture and control group. The results show that the mixture is better in improving atopic dermatitis condition.

• The Journal of Pediatrics of Korean Medicine
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• v.15 no.2
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• pp.1-13
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• 2001

Objective : These experimental studies were designed to investigate the effects of Sargassum extract and Polygoni multiflori radix extract on the weight and the lipid metabolism of the obese rats induced by 1% cholesterol diet. They were designed to detect changes in the serum and leptin levels in the infant rats. Methods : The serum and leptin levels were measured for a period of 8 weeks for obese SD rats induced by 1% cholesterol diet. Result : 1. The body weight showed a tendency to decrease in samples I & II(P>0.05). 2. The average size of the epididymal fat cell significantly decreased in sample II(p<0.05), and showed a tendency to decrease in sample I(P>0.05). 3. The leptin levels significantly decreased in samples I & II(P<0.05). 4. The total cholesterol levels significantly decreased in samples I & II(P<0.05). 5. The triglyceride levels significantly decreased in sample I & II(P<0.05). 6. The glucose levels significantly decreased in sample I & II(P<0.05).

• Journal of the East Asian Society of Dietary Life
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• v.22 no.1
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• pp.25-32
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• 2012

This study was conducted to evaluate the quality characteristics of Sulgidduk prepared with different amounts of Hasuo (Polygoni Multiflori Radix) powder. Proximate composition analysis showed that the moisture content, pH, acidity, and volume of Sulgidduk decreased with a rise in the level of added hasuo powder. The L-value decreased, while a and b values increased, with increasing amounts of hasuo powder. In mechanical evaluation of physical properties, hardness decreased while springiness, chewiness, cohesiveness, and brittleness increased with increasing hasuo powder content. Scanning election microscopy indicated that the number of air cells decreased as the ratio of hasuo powder increased. Sensory evaluation showed that moistness and springiness decreased significantly when the amounts of hasuo powder increased. The sample containing 30 g hasuo powder scored the highest for sweet taste, savory taste, springiness, chewiness, swallowing, and in overall acceptability scores. Next, the sample containing 60 g hasuo powder scored higher than control. The optimum concentration indicate that addition of 30~60 g hasuo powder to Sulgidduk resulted in highest quality.

• Korean Journal of Oriental Medicine
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• v.16 no.1
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• pp.19-27
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• 2010

Objectives & Method : We investigated toxicity, poisoning symptoms, poisoning treatment and prevention against poisoning of mind-tranquilizing herbal medicines(安神藥) in order to use herbal medicines accurately. Result : Cinnabaris(朱砂), Zizyphi Spinosae Semen(酸棗仁), Polygalae Radix(遠志), Ganoderma(靈芝) and Polygoni Multiflori Ramulus(夜交藤) may give rise to some side effects or toxic symptoms in mind-tranquilizing herbal medicines(安神藥). The representative methods of poisoning treatment in western medicines are washing out the stomach, promotion of vomiting, causing diarrhea, supplies of grape sugar and symptomatic treatment, etc. The representative methods of poisoning treatment in oriental medicine take advantage of herbs. And Oriental medical doctor should meet symptoms as patients call for attention. In order to prevent against poisoning of mind-tranquilizing herbal medicines(安神藥), the patients should keep usage, dosage and notes and oriental medical doctors should do processing drugs. Conclusion : We should pay attention to clinical using of Cinnabaris(朱砂), Zizyphi Spinosae Semen(酸棗仁), Polygalae Radix(遠志), Ganoderma(靈芝) and Polygoni Multiflori Ramulus(夜交藤) in mind-tranquilizing herbal medicines(安神藥).

• The Journal of Korean Medicine
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• v.33 no.1
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• pp.160-168
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• 2012

Objectives: Cynanchi wilfordii Radix has commonly been used with or instead of Polygoni multiflori Radix in Korea. The purpose of this study was to investigate their history in the traditional Oriental medical literature and quantitative determination of conduritol F from Cynanchi wilfordii Radix according to various harvest times. Methods: We conducted studies of the traditional Oriental medical literature and analysis of the component, conduritol F, simultaneously. Efficacy and origin of Cynanchi wilfordii Radix in literature study, time of harvest in component research. Chromatographic analysis performed using Silica(2) 100A column (Phenomenex 5 um, 250 mm 4.6 mm) with a mixture of acetonitrile and water (98 : 2)(v/v). The analyses detected at UV (210 nm). Results: Conduritol F was detected in Cynanchi wilfordii Radix, but in Cynanchi auriculati Radix was not. We indicate that conduritol F is as a distinguishable indicator with other materia medica. We think the proper harvesting time is October and November. Conclusions: Measures of trunk control were significantly related with values of dynamic balance and gait. Based on these results, trunk control is an essential core component of balance and gait. Trunk control training programs after stroke should be developed and emphasized.

• Journal of Physiology & Pathology in Korean Medicine
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• v.24 no.3
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• pp.367-372
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• 2010

The purpose of this study is to make a basis of in vivo or clinical study about alopecia. We investigated the prescriptions of alopecia by researching oriental medicine literature. We found the prescriptions used for alopecia. And we surveyed the frequency and classification of the herbs used for alopecia. The results of this study were recorded as follows. The most frequently used single herbs in the prescriptions were Angelicae Gigantis Radix(當歸), Glycyrrhizae Radix(甘草), Poria(茯笭), Paeoniae Radix Alba(白芍藥). Herbs specifically frequently used in the prescriptions of alopecia were as follows. Polygoni Multiflori Radix(何首烏), Rehmanniae Radix(生地黃), Cuscutae Semen(菟絲子), Bupleuri Radix(柴胡), Scutellariae Radix(黃芩), Viticis Fructus(蔓荊子), Aconiti Iateralis Preparata Radix(附子). Herbs frequently used were classified by property. The result was as follows. (()-The number of herbs) 補益藥(32), 解表藥(18), 淸熱藥(15) 收澀藥(9), 活血祛瘀藥(8), 利水滲濕藥(8).