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Antibacterial effects of Terminaliae chebula extract against major pathogens and methicillin-resistant Staphylococcus aureus (MRSA) from bovine mastitis milk
2005
Kang, H.M. (National Veterinary Research and Quarantine Service, Anyang, Republic of Korea), E-mail: kanghm@nvrqs.go.kr | Song, M.D. (Konkuk University, Chungju, Republic of Korea) | Moon, J.S. (National Veterinary Research and Quarantine Service, Anyang, Republic of Korea) | Jang, G.C. (National Veterinary Research and Quarantine Service, Anyang, Republic of Korea) | Kim, J.M. (National Veterinary Research and Quarantine Service, Anyang, Republic of Korea) | Yang, S.Y. (Konkuk University, Chungju, Republic of Korea)
Resistance to antibiotics is a problem all over the world, and this problem also is so extended in veterinary fields. Therefore, this study aimed to find out the antibacterial substances from natural medicinal herbs against bovine mastitis pathogens, especially methicillin-resistant Staphylococcus aureus (MRSA). Among seventy two medicinal herbs, Terminaliae chebula extract showed antimicrobial effect against MRSA isolated from mastitis milk in cow and patient in human. However, Terminaliae chebula extract didn't show antibacterial effects on various strains including other contagious and environmental pathogens related with mastitis of dairy cows.
显示更多 [+] 显示较少 [-]Antibacterial and therapeutic effects of a combination of Sophora flavescens and Glycyrrhiza uralensis Fischer ethanol extracts on mice infected with Streptococcus pyogenes
2014
Yu, E.A., Tongyeong National Quarantine Station, Ministry of Health & Welfare, Tongyeong, Republic of Korea | Cha, C.N., Gyeongsang National University, Jinju, Republic of Korea | Park, E.K., (Department of Medical Humanities and Social Medicine, College of Medicine, Kosin University, Busan, Republic of Korea | Yoo, C.Y., Department of Computer Information, Gyeongnam Provincial Namhae College, Namhae, Republic of Korea | Kim, S., Gyeongsang National University, Jinju, Republic of Korea | Lee, H.J., Gyeongsang National University, Jinju, Republic of Korea
This study evaluated the antibacterial effects of a mixture of Sophorae radix and Glycyrrhiza uralensis Fischer (1 : 1) ethanol extracts (SGE) on mice infected with Streptococcus (S.) pyogenes. The minimum inhibitory concentration (MIC) and minimum bactericidal concentration of SGE necessary for antibacterial effects against S. pyogenes were 20§¡/mL. Based on the time-kill curves for S. pyogenes, SGE was effective at 4 ¡¿MIC after 16 h. On Day 12 after challenge, the survival rate of mice treated with 2.0 mg/kg SGE was 60%. In conclusion, SGE had potent in vitro and in vivo antibacterial activities against S. pyogenes.
显示更多 [+] 显示较少 [-]Effect of medicinal plant extract for hangover relief
2014
HYun, C.S., Jeju National University, Jeju, Republic of Korea | Park, G.R., Jeju National University, Jeju, Republic of Korea | Oh, Y.M., Jeju National University, Jeju, Republic of Korea | Lee, Y.J., Jeju National University, Jeju, Republic of Korea | Han, C.H., Jeju National University, Jeju, Republic of Korea
The present study was performed to evaluate the effect of medicinal plant extract on relieving hangovers in mice administered alcohol. The animals were divided into three groups. Each group was treated with fermented plant extract, non-fermented plant extract, or water 30 min after consuming ethanol (2 mL/kg). A locomotor activity test showed that all groups had decreased motor activity until 40 min after plant extract administration. The mice treated with water had lower motor activity until 100 min post-administration. However, the group treated with non-fermented plant extract showed increased motor activity 40 min post-administration, and the higher activity level was maintained until 120 min post-administration. The animals treated with fermented plant extract had a level of motor activity between those of the groups treated with water or non-fermented plant extract. Blood was collected from each mouse 120 min post-administration and aldehyde concentration was measured. The group treated with non-fermented plant extract had a significantly higher (p 0.05) aldehyde concentration than the other groups. These results demonstrate that the non-fermented medicinal plant extract helped alleviate hangovers 40 min after administration by reducing aldehyde concentrations in the blood.
显示更多 [+] 显示较少 [-]Antioxidative effects of traditional medicinal plants on lipid peroxidation
2005
Hah, D.S. (Gyeongnam Provincial Government Institute of Health and Environment, Changwon, Republic of Korea) | Kim, C.H. (Jinju National University, Jinju, Republic of Korea) | Kim, G.S. (Gyeongsang National University, Jinju, Republic of Korea) | Kim, E.G. (Gyeongsang National University, Jinju, Republic of Korea) | Kim, J.S. (Gyeongsang National University, Jinju, Republic of Korea), E-mail: jskim@gsnu.ac.kr
To assess the antioxidative activity of 12 medicinal plants on lipid peroxidation, twelves traditional medicinal plants extracted with 95% methanol were investigated the antioxidative activity using DPPH, thiocyanate acid method, and thiobarbituric acid (TBA) methods. Out of 12 medicinal plants extracted with methanol, the extraction yields of Sedum kamtschaticum was the highest values (49.46%) among them and Geranicum sibiricum, Saururus chinensis root (R), Agrimonia pilosa leaf (L), Agrimonia pilosa root was the lowest value (9.97%). Radical scavenging effect of the selected traditional medicinal plants extracted from different extract solution were examined by 1, 1-diphenyl-2-picrylhydrazyl (DPPH) radical method.
显示更多 [+] 显示较少 [-]Effect of Bupleurum falcatum on the immune system
1994
Cho, J.G. | Kim, J.M. (Chonbuk National University, Chonju (Korea Republic). College of Veterinary Medicine)