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        • 돌보는 여성? 일하는 여성!

          김해자 한국여성정책연구원(구 한국여성개발원) 2013 한국여성정책연구원 연구보고서 Vol.2013 No.11

          '스콜라' 이용 시 소속기관이 구독 중이 아닌 경우, 오후 4시부터 익일 오전 7시까지 원문보기가 가능합니다.

        • KCI등재

          Characteristics of Crude Polysaccharide Separated from the Herbal Mediumof Trichloloma Matsutake Mycelium and its Anti-diabetic Effect

          김해자,이기남 한의병리학회 2008 동의생리병리학회지 Vol.22 No.3

          As part of studies to develop new materials to lower blood glucose levels using crude polysaccharide, this study was attempted to analyze the characteristics of crude polysaccharide obtained from the extracts of a mixed herbal medium(OCM) where Trichloloma matsutake mycelium and Cordyceps militaris mycelium were cultured together and to look into the influence of administering these by concentration upon the blood glucose and serum lipid levels of rats with diabetes which was induced by STZ(Streptozotosin). Experimental group was divided into 6 groups: first, it was divided into normal control group(NC group) and diabetes-induced group, and diabetes-induced group was subdivided into diabetic control group(DC group), acarbose-treated group(PC group), 100 mg/kg/body weight-treated by crude polysaccharide of OCM(UE) group(UE100 group), 200 mg/kg/body weight-treated group(UE200 group), and 300 mg/kg/body weight-treated group(UE300 group). In diabetic-induced groups, after streptozotocin was melted in 0.01M citrate buffer at 50 mg/kg/body weight, when the non-fasting blood glucose level not on an empty stomach was 300 mg/dl or more in blood collected from the tail vein, it was regarded as diabetic induction and then such diabetic-induced experimental animals were used in this experiment. The yield of crude polysaccharide obtained from OCM was found to be 0.31% and the β-glucan content 39.40%. As a result of analyzing NO on immune function, which is known as major physiological activity of crude polysaccharide, high NO viability was shown; when 1 mg/ml LPS was treated at 1 ug/ml, it was found to be 50.77 uM, and when LPS was treated at 10 ug/m, it was found to be 53.78 uM. Also, regarding cancer cells, cell count was decreased by about 26% in proportion to sample concentration, while for normal cells, it was a little decreased in proportion to concentration, however, cell count was maintained in the range of 81.92~98.16% at all concentrations. In case of blood glucose level, it was decreased in all extract-treated groups compared to DC group and in the cases of ALT and AST, they were found to be lower in extract-treated groups compared to PC group and for serum lipid, it was found to be lower in UE100 group compared to PC group. Thus this study tried to utilize these results as fundamental data for development of preventive and therapeutic agents against diabetes as well as functional foods using the crude polysaccharide of mushrooms.

        • KCI등재후보

          Exploration of Functional Materials from Oriental Medicine Extracts Cultured with Tricholoma Matsutake Mycelium ― (2) Effect of Extracts on Blood Glucose and Liver Function in Streptozotocin-Induced Diabetic Rat ―

          김해자,최윤희,조화은,홍학기,한정호,이기남 대한예방한의학회 2008 대한예방한의학회지 Vol.12 No.2

          The purpose of this study was to investigate extract from mixed culture with Trichloloma matsutake mycelium in oriental medicine and cereal medium(OCM) to develop new material for pharmaceutical products and medicinal food for diabetes mellitus. To evaluate of hypoglycemic activity of OCM extracts, we examined the inhibitory activity of α-glucosidasein OCM, blood glucose level and liver function of streptozotocin(STZ) induced diabetic rat. Experimental group was divided into 6 groups: first, it was divided into normal control group(hereafter NC group) and diabetes-induced group, and diabetes-induced group was subdivided into diabetic control group(DC group), treated by hot water extracts group(HE), ultra sonic waves, micro waves, and micro bubble extracts group(UE), crude polysaccharide of HE group (HEE) and crude polysaccharide of UE group(UEE) at a dose of 300mg/kg/body weight, respectively. In diabetic-induced groups, after streptozotocin was melted in 0.01M citrate buffer at 50mg/kg/body weight, when the non-fasting blood glucose levelwas 300 mg/dl or more in blood collected from the tail vein, it was regarded as diabetic induction and then such diabetic-induced experimental animals were used in this experiment. At the end of the experiment, blood glucose level increased by 4.19% in DC group but significantly decreased by 32.34%, 19.19%, 17.81% and 17.64%, respectively in UEEE, UE, HE, and HEE groups. In the cases of AST, ALT, and ALP, the experiment group treated with extracts showed significantly lowerblood glucose level than DC group. The levels of BUN and uric acid were found to be lower in the UMPM extract group(UE) than HW extract group(HE), which implies that herb medicine medium extracts in which Tricholoma matsutake mycelia were cultured are effective in reducing impaired liver function as well as high blood glucose level caused by diabetes. In addition, the administration of low temperature UMPM extracts was found to produce better results than that of high temperature hot water extracts. In this regard, it is expected that extracts from herb medicine obtained by cultivating Tricholoma matsutake mycelia will be widely used as new ingredients for foods and medicines for prevention and treatment of diabetes.

        • KCI등재후보

          Exploration of Functional Materials from Oriental Medicine Extracts Cultured with Tricholoma Matsutake Mycelium ― (1) Physioactivity of Extracts in Accord with Extraction Methods ―

          김해자,김기철,최윤희,조화은,홍학기,한정호,이기남 대한예방한의학회 2008 대한예방한의학회지 Vol.12 No.2

          The purpose of this study was to investigate extract from mixed culture with Trichloloma matsutake mycelium in oriental medicine and cereal medium(OCM) to develop new material for pharmaceutical products and medicinal food. To evaluate of physiological activity of OCM extracts, we examined β- glucan contents, SOD-like activity, nitric oxide production and cytotoxicity by MTT assay. β-glucan contents was found to be 52.85% for crude polysaccharide of hot water extracts of OCM(HEE) and 49.74% for crude polysaccharide of ultra sonic waves, micro waves, and micro bubble extracts of OCM (UEE). SOD like activity was showed UE 74.66%, HE 67.16%, UEE 31.34%, HEE 26.10%, respectively. NO production of UEE and HEE, at LPS 1 ug/mL, 1 mg/mL UEE showed 66.62 uM and HEE 45.68 uM. at LPS 10 ug/mL, 1 mg/mL UEE showed 63.91 uM and HEE 51.74 uM. The inhibitory effect against HT1080 was increased dose-dependently in UEE.

        • 민중열전-나는 몰랐네

          김해자 인천작가회의(작가들) 2015 작가들 Vol.- No.54

          '스콜라' 이용 시 소속기관이 구독 중이 아닌 경우, 오후 4시부터 익일 오전 7시까지 원문보기가 가능합니다.

        • KCI등재

          Anti-oxidization Effect of Extracts from Oriental Medicine and Cereal Medium Where Tricholoma matsutake Mycelia were Cultured

          김해자,이기남 한의병리학회 2008 동의생리병리학회지 Vol.22 No.3

          In order to explore the anti-oxidization effect of oriental medicine and cereal medium(OCM) where Tricholoma matsutake mycelia were cultured, measurement of hot water extract and UMPM(extraction method using ultra sonic waves, micro waves, micro bubble) extract, the total polyphenol content of crude polysaccharide from each extract, SOD-like activity, electron donating ability(EDA), xanthine oxidase inhibitory activity, and tyrosinase inhibitory activity was conducted. The total polyphenol content of each extract was found to be 16.36% for hot water extract(HE) group and 15.73% for UMPM extract(UE) group and the amount of crude polysaccharide precipitated into ethanol of extracts was found to be 8.79% for UMPM ethanol extract(UEE) group and 6.48% for hot water ethanol extract(HEE) group. As a result of measurement of SOD-like activity by concentration of each extract, it was found to be 96.17% for UE group, 91.23% for HE group, 91.33% for UEE group, and 87.11% for HEE group at 20 mg/mL. In the case of EDA, it was found to be 47.55% for UE group, 44.93% for HE group, 25.38% for UEE group, and 18.36% for HEE group. And in the cases of the rates of xanthine oxidase inhibitory activity and tyrosinase inhibitory activity, as the concentration of each extract increased, the inhibition rate increased accordingly. As a result of comparison between hot water extract method and UMPM extract method using extracts obtained from oriental medicine compound medium where Tricholoma matsutake mycelia were cultured, all of the extracts were judged to have a high anti-oxidization effect. In particular, UMPM extracts were found to have higher polyphenol content, SOD-like activity, EDA, xanthine oxidase inhibitory activity and tyrosinase inhibitory activity compared to hot water extract method. In this regard, extracts obtained from OCM where Tricholoma matsutake mycelia were cultured are considered to have high availability as functional material when and if they are prepared using UMPM extract method.

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