• Title/Summary/Keyword: Improving agents

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Investigation of Effective Korean Herbal Medicine for Psoriasis - Focusing on Lipid Metabolism - (건선에 효과적인 한약 처방 탐색 - 지질 대사를 중심으로)

  • Han, Chang-Yi;Kim, Jundong;Seo, Gwang-Yeel;Kim, Kyu-Seok;Kim, Yoon-Bum
    • The Journal of Korean Medicine Ophthalmology and Otolaryngology and Dermatology
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    • v.34 no.3
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    • pp.70-79
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    • 2021
  • Objectives : The purpose of this study is to investigate the possibility of using herbal medicine for the management of psoriasis focusing on lipid metabolism. Methods : We reviewed studies about pathophysiology, and medical treatment of psoriasis, the relationship between psoriasis and metabolic syndrome and lipid metabolism, and herbal medicine on Pubmed and Google scholar. Results : Psoriasis is a chronic multi-organ inflammatory disease not limited to skin, and steroids, immuno-suppressants, and biological agents are used. It is known that psoriasis and metabolic syndrome act as mutual risk factors, and lipid metabolism are involved in psoriasis. The effects of various single herbal preparations and complex herbal extract, decoction on improving lipid metabolism have been consistently reported, and there was an improvement of psoriatic skin lesions and improvement of blood lipid levels through herbal medicine. Conclusions : Herbal medicine research in psoriasis has focused on the anti-inflammatory effect and the suppression effect of certain immune mediators. However, considering that psoriasis is affected by lipid metabolism and side effects of Western medicines, the use of herbal medicines for the purpose of controlling lipid metabolism in psoriasis is useful in aspects of reducing side effects of concurrent Western medicine, improving the severity of psoriasis, and managing metabolic risk factors.

Effect of Binding Agents on Physicochemical Quality Characteristics of Granule Prepared by Lentinus edodes (결합제가 표고버섯 과립의 이화학적 품질특성에 미치는 영향)

  • Hwang Sung-Hee;Kim Seok-Joong;Shin Seung-Ryeul;Kim Nam-Woo;Youn Kwang-Sup
    • Food Science and Preservation
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    • v.12 no.6
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    • pp.572-577
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    • 2005
  • This study was conducted to investigate the effect of binding agents on the physicochemical characteristics of granule prepared by Lentinus edodes. The mushroom powder was mixed with com starch, lactose, gelatin, gum arabic, or dextrin(DE=23), and the mixtures were passed to granule sieve. Solubility of granule was in the following order, gum arabic>gelatin>lactose, dextrin>corn starch. L value was in the following order, com starch, lactose>gelatin, gum arabic, dextrin. a value and pH were not affected by the binding agents. b value was in following order, lactose, corn starch>gelatin, gum arabic>dextrin. Viscosity was in the following order, gelatin, corn starch>gum arabic, dextrin>lactose. Water absorption was in the following order, gelatin>lactose>corn starch>dextrin>gum arabic. Sugar content was in the following order, gum arabic>lactose, dextrin>corn starch, gelatin. Protein content was the highest in granule formed with gelatin. These results suggested that gum arabic can be utilized for improving solubility and lowering absorption of Lentinus edodes granule as binding agent.

The Change of Components of Distilled Soju Using Different Fermentation Agents (다양한 발효제를 이용한 증류식소주의 성분 변화)

  • Moon, Sae-Hee;Cheong, Chul
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.19 no.8
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    • pp.466-473
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    • 2018
  • The purpose of this study is to develop a distilled soju with high quality and stable brewing technology by analyzing the changes of general components and volatile components in the production of distilled soju by the use of fermentation agent such as koji and nuruk. White rice flour was used as a main raw material. White koji, yellow koji, traditional nuruk, and improved nuruk were used as a fermentation agent respectively. Also, yellow koji, traditional nuruk, and improved nuruk were added at a certain ratio to prepare white koji. The distillate was prepared by vacuum distillation and the quality characteristics were compared and analyzed. When the fermentation agent was used alone, the alcohol content was higher in the order of white koji, improved nuruk, yellow koji, and traditional nuruk. The initial acidity was higher than that of other fermentation agents and the highest alcohol content was found to be helpful for stable brewing. The highest content of higher alcohol was found in the yellow koji mash, and ethyl acetate was the highest in the traditional nuruk. When the fermentation agents were mixed, there was no difference in the alcohol content between $1^{st}$ fermentation mash and $2^{nd}$ fermentation mash. On the other hand, the content of higher alcohol was increased with the increase of the input ratio of yellow koji, and it decreased with the increase of the ratio of traditional and improved nuruk. It is expected that it will be possible to manufacture various distilled soju with different flavor and aroma if the yellow koji and the traditional nuruk are appropriately used based on the white koji having excellent fermentation characteristics and it will be very helpful for improving the stability and quality of brewing.

Hepatitis B Virus DNA Negativity Acts as a Favorable Prognostic Factor in Hepatocellular Carcinoma Patients

  • Li, Xing;Zhong, Xiang;Chen, Zhan-Hong;Xing, Yan-Fang;Wu, Dong-Hao;Chen, Jie;Ma, Xiao-Kun;Lin, Qu;Wen, Jing-Yun;Wei, Li;Wang, Tian-Tian;Ruan, Dan-Yun;Lin, Ze-Xiao;Wu, Xiang-Yuan;Dong, Min
    • Asian Pacific Journal of Cancer Prevention
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    • v.15 no.22
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    • pp.9635-9641
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    • 2014
  • Background: This retrospective study was aimed to investigate the efficacy of prophylactic agents in hepatocellular carcinoma (HCC) patients receiving TACE and compare the difference between lamivudine and entecavir. Materials and Methods: A consecutive series of 203 HBV-related HCC patients receiving TACE were analyzed including 91 patients given prophylactic agents. Virologic events, defined as an increase in serum HBV DNA level to more than 1 log10 IU/ml higher than the nadir level, hepatitis flares due to HBV reactivation and progression free survival (PFS) were the main endpoints. Results: Some 48 (69.6%) reached virologic response. Prophylaxis significantly reduced virologic events (8.8% vs 58.0%, p=0.000) and hepatitis flares (1.1% vs 13.4%, p=0.001). Patients presenting undetectable HBV DNA levels displayed a significantly improved PFS as compared to those who never achieved undetectable HBV DNA. Prophylaxis and e-antigen positivity were the only significant variables associated with virologic events. In addition, prophylaxis was the only independent protective factor for hepatitis flares. Liver cirrhosis, more cycles of TACE, HBV DNA negativity, a lower Cancer of the Liver Italian Program score, non-metastasis and no hepatitis flares were protective factors for PFS. Prophylactic lamivudine demonstrated similar efficacy as entecavir. Conclusions: Prophylactic agents are efficacious for prevention of HBV reactivation in HCC patients receiving TACE. Achievement of undetectable HBV DNA levels displayed a significant capability in improving PFS. Moreover, persistent tumor residual lesions, positive HBV DNA and hepatitis B flares might be causes of tumor progression in these patients.

Noodle Characteristics of Jerusalem Artichoke Added Wheat Flour and Improving Effect of Texture Modifying Agents (돼지감자가루 복합분 국수의 제조와 품질개량제의 첨가효과)

  • Shin, Ji-Young;Byun, Myung-Woo;Noh, Bong-Soo;Choi, Eon-Ho
    • Korean Journal of Food Science and Technology
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    • v.23 no.5
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    • pp.538-545
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    • 1991
  • In order to develop low calorie noodles, flours of Jerusalem artichoke and strong wheat were mixed with ratios of 25 : 75, 30 : 70 and 35 : 65. The substitution of wheat flour with Jerusalem artichoke powder up to 25% showed good formation of noodle stripes similar to that of wheat flour alone. The formation was effectively improved by addition of $0.5{\sim}1.0%$ solution alginate, 1.0% Fremol or mixure of 0.5% ${\alpha}-Polygel$, 0.5% Alcalin and 1.5% fremol for $25{\sim}30%$ substitution with Jerusalem articoke powder. Also addition of sodium alginate to the 30% substitution with Jerusalem artichoke powder showed the high Hunter value of Lightness and good cooking quality of noodle, relatively close to those of noodle of wheat flour alone. The dough prepared with mixed flours showed increase in cohesiveness and resilience and decrease in hardness and adhesiveness, compared to those of wheat flour. The addition of sodium alginate was very effective for increase in adhesiveness and cohesiveness. The cohesiveness of cooked noodles was increased with substitution with Jerusalem artichoke powder while sodium alginate influenced little. There is no significant difference of taste, odor, color and texture of cooked noodles between wheat flour alone and composite flours with $25{\sim}30%$ of Jerusalem artichoke and texture modifying agents. The results suggested that good quality noodles could be produced using Jerusalem artichoke powder.

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Anti-obesity and hypolipidemic effects of Rheum undulatum in high-fat diet-fed C57BL/6 mice through protein tyrosine phosphatase 1B inhibition

  • Lee, Woo-Jung;Yoon, Goo;Hwang, Ye-Ran;Kim, Yong-Kee;Kim, Su-Nam
    • BMB Reports
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    • v.45 no.3
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    • pp.141-146
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    • 2012
  • Protein tyrosine phosphatase 1B (PTP1B) is important in the regulation of metabolic diseases and has emerged as a promising signaling target. Previously, we reported the PTP1B inhibitory activity of Rheum undulatum (RU). In the present study, we investigated the metabolic regulatory effects of RU in a high-fat diet (HFD) model. RU treatment significantly blocked body weight gain, which was accompanied by a reduction of feed efficiency. In addition, it led to a reduction of liver weight mediated by overexpression of PPAR${\alpha}$ and CPT1 in the liver, and an increase in the expression of adiponectin, aP2, and UCP3 in adipose tissue responsible for the reduction of total and LDL-cholesterol levels. Chrysophanol and physcion from RU significantly inhibited PTP1B activity and strongly enhanced insulin sensitivity. Altogether, our findings strongly suggest that 2 compounds are novel PTP1B inhibitors and might be considered as anti-obesity agents that are effective for suppressing body weight gain and improving lipid homeostasis.

Strategies to Reduce Environmental Pollution from Animal Manure: Nutritional Management Option - Review -

  • Paik, I.K.
    • Asian-Australasian Journal of Animal Sciences
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    • v.12 no.4
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    • pp.657-666
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    • 1999
  • The first option in manure management is developing an environmentally sound nutritional management. This includes proper feeding programs and feeds which will result in less excreted nutrients that need to be managed. Critical components that should be controlled are N, P and minerals that are used at supranutritional levels. Amino acid supplementation and protein restriction reduce N excretion in the monogastric animals. Supplementation with enzymes, such as carbohydrases, phytase and proteases, can be used to reduce excretion of nutrients and feces by improving digestibility of specific nutrients. Growth promoting agents, such as antibiotics, beta-agonists and somatotropin, increase the ability of animals to utilize nutrients, especially dietary protein, which results in reduced excretion of N. Some microminerals, such as Cu and Zn, are supplemented at supranutritional level. Metal-amino acid chelates, metal-proteinates and metal-polysaccharide complexes can be used at a much lower level than inorganic forms of metals without compromising performance of animals. Deodorases can be used to avoid air pollution from animal manure. Nutritional management increases costs to implement. It is necessary to assess the economics in order to find an acceptable compromise between the increased costs and the benefits to the environment and production as well.

In Vitro Cytotoxicity of a Novel Platinum(II) Coordination Complex Containing Diaminocyclohexane and Dichloropropane

  • Rho, Young-Soo;Chang, Sung-Goo;Lee, Woo-Tae;Jung, Jee-Chang
    • The Korean Journal of Physiology and Pharmacology
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    • v.5 no.4
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    • pp.359-366
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    • 2001
  • We have synthesized a novel platinum(II) coordination complex containing cis-1,2-diaminocyclohexane (DACH) as a carrier ligand and 1,3-dichloropropane (DCP) as a leaving group. A new series of [Pt(cis- DACH)(DCP)](PC) was evaluated for its cytotoxic activity on MKN-45 human gastric adenocarcinoma cells and normal primary cultured kidney cells. The new platinum complex has demonstrated high efficacy in the cytotoxicity against MKN-45/P, MKN-45/ADM and MKN-45/CDDP cell-lines. The cytotoxicity of PC against rabbit proximal renal tubular cells, human renal cortical cells and human renal cortical tissues, determined by MTT assay, the $[^3H]-thymidine$ uptake and glucose consumption tests, was found to be quite less than those of cisplatin. Based on these results, this novel platinum(II) coordination complex appears to be better for improving antitumor activities with low nephrotoxicity and is a valuable lead in the development of new, clinically available anticancer chemotherapeutic agents.

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Improvement of Mechanical Interfacial Properties of Silica/Rubber Composites by Silane Coupling Agent Treatment (실란 커플링제를 이용한 실리카/고무 복합재료의 기계적 계면 물성의 향상)

  • Park, Soo-Jin;Cho, Ki-Sook;Lee, Jae-Rock
    • Proceedings of the Korean Society For Composite Materials Conference
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    • 2001.10a
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    • pp.121-124
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    • 2001
  • Surface-modified silica holds considerable promise in the development of advanced materials for good mechanical properties and stability. In this work, the surface and mechanical interfacial properties of silicas treated with silane coupling agents, such as Y-methacryloxy propyl trimethoxy silane (MPS). Y-glycidoxy propyl trimethoxy silane (GPS), and Y-mercapto propyl trimethoxy silane (MCPS), are investigated. The effect of silane surface treatments of silica on the surface properties and surface energetics are studied in terms of surface functional values and contact angle measurements. And their mechanical interfacial properties of the silica/rubber composites are studied by the composite tearing energy ($G_{IIIC}$). As a result. the mechanical interfacial properties are improved in the case of silane-treated composites compared with untreated one. It reveals that the functional groups on silica surface by silane surface treatments play an important role in improving the degree of adhesion at interfaces in a silica-filled rubber system.

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Effect of Washing and Subsequent Heat Treatment on Water Repellency and Mechanical Properties of Nylon 6, Triacetate and Silk Fabrics Treated with Hydrocarbon Resins

  • Park, Hyei-Ran;Lee, Mun-Cheul;Nishi, Kenji;Wakida, Tomiji
    • Textile Coloration and Finishing
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    • v.20 no.6
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    • pp.87-91
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    • 2008
  • It is commonly known that water repellency of the fabric treated with fluorocarbon resin brings about a decrease by the washing and recovers by the subsequent heat treatment. In this article, effect of the water repellency was investigated on the nylon 6, triacetate and silk fabrics treated with hydrocarbon and silicon resins. Hydrocarbon and silicon resins have been widely used in the textile finishing as the softening and water proofing agents. The fabrics were treated with hydrocarbon resins, Paragium JQ and RC (Ohara Paragium Chemical Co.) and a silicon resin, Poron MR (Shinetsu Chemical Co.), and then washed and subsequently heat treated. Although the water repellency increased by the resin treatment, it decreased by the washing apparently and recovered a little by the heat treatment. The effect of the heat treatment was small comparing with that of the fluorocarbon resin. Furthermore, as a mechanical property of the treated fabric, KES shearing and bending hysteresis parameters, modulus and hysteresis width of the hydrocarbon resin-treated nylon 6, triacetate and silk fabrics decreased by the heat treatment after washing. Therefore, the treatment is effective at improving the softening of the fabric in water repellent finish.