caa a22 4500 46319134X CHVBK 20180406164910.0 cr unu---uuuuu 170326e20070901xx s 000 0 eng 10.1007/s10973-006-7606-2 doi (NATIONALLICENCE)springer-10.1007/s10973-006-7606-2 Microcalorimetric study on the bacteriostatic activity of isoquinoline alkaloids [Elektronische Daten] [X. Liu, H. Zhang, Z. Tan, K. Han, L. Sun] The isoquinoline alkaloids were isolated from traditional Chinese drugs of Phellodendri Cortex, Radix Stephaniae Tetrandrae, Corydalis Yanhusuo and Corydalis Bungeana. The power-time curves of growth of E. coli at different concentrations of isoquinoline alkaloid at 37°C were determined by a 2277 Thermal Activity Monitor. The rate constant of bacteriostastic activity was calculated. The relationship between growth rate constant and concentration was established. The optimum bacteriostastic concentration was determined. Experimental results have indicated that all the isoquinoline alkaloids isolated from the four kinds of traditional Chinese drugs have bacteriostastic activity and the order is Phellodendri Cortex>Radix Stephaniae Tetrandrae>Corydalis Yanhusuo>Corydalis Bungeana. Springer Science+Business Media LLC, 2007 bacteriostastic activity nationallicence E. coli nationallicence growth rate constant isoquinoline alkaloid nationallicence microcalorimetry nationallicence Liu X. State Key Laboratory of Molecular Reaction Dynamics, Dalian Institute of Chemical Physics, Chinese Academy of Science, 116023, Dalian, China aut Zhang H. Department of Chemistry, Qufu Normal University, 273165, Qufu, Shandong, China aut Tan Z. Thermochemistry Laboratory, Dalian Institute of Chemical Physics, Chinese Academy of Science, 116023, Dalian, China aut Han K. State Key Laboratory of Molecular Reaction Dynamics, Dalian Institute of Chemical Physics, Chinese Academy of Science, 116023, Dalian, China aut Sun L. Thermochemistry Laboratory, Dalian Institute of Chemical Physics, Chinese Academy of Science, 116023, Dalian, China aut Journal of Thermal Analysis and Calorimetry Springer US; http://www.springer-ny.com 89/3(2007-09-01), 907-911 1388-6150 89:3<907 2007 89 10973 https://doi.org/10.1007/s10973-006-7606-2 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/s10973-006-7606-2 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Liu X. State Key Laboratory of Molecular Reaction Dynamics, Dalian Institute of Chemical Physics, Chinese Academy of Science, 116023, Dalian, China aut NATIONALLICENCE 700 1- Zhang H. Department of Chemistry, Qufu Normal University, 273165, Qufu, Shandong, China aut NATIONALLICENCE 700 1- Tan Z. Thermochemistry Laboratory, Dalian Institute of Chemical Physics, Chinese Academy of Science, 116023, Dalian, China aut NATIONALLICENCE 700 1- Han K. State Key Laboratory of Molecular Reaction Dynamics, Dalian Institute of Chemical Physics, Chinese Academy of Science, 116023, Dalian, China aut NATIONALLICENCE 700 1- Sun L. Thermochemistry Laboratory, Dalian Institute of Chemical Physics, Chinese Academy of Science, 116023, Dalian, China aut NATIONALLICENCE 773 0- Journal of Thermal Analysis and Calorimetry Springer US; http://www.springer-ny.com 89/3(2007-09-01), 907-911 1388-6150 89:3<907 2007 89 10973 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer