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Vol.45 >

Please use this identifier to cite or link to this item: http://hdl.handle.net/10466/2760

Title: Radio-Sensitivities of Microorganisms Adhering to the Crude Drug "Glycyrrhizae Radix"
Authors: OHNISHI, Tokuhiro
OKAMOTO, Shinichi
KIMURA, Syojiro
KODANI, Nobuyoshi
Issue Date: 31-Mar-1993
Publisher: University of Osaka Prefecture
Citation: Bulletin of the University of Osaka Prefecture. Ser. B, Agriculture and life sciences. 1993, 45, p.93-99
Abstract: Microorganisms contaminating to fifteen crude drugs "Glycyrrhizae Radix" harvested in China and their radio-sensitivity were studied. The number of bacteria and fungi contaminated to the drugs were in the range of 10^3-10^5 and 10^2-10^5/g, respectively. Specified microorganisms, such as coliforms, Staphylococcus aureus and Pseudomonas aeruginosa, were not detected. The radio-sensitivities, D_<10>-value for r-radiation, of these bacteria and fungi were 2.2 and 0.98kGy, respectively. A detailed study for fungi revealed that the radio-sensitivity depended on the genus and that the survival curve of each genus could be represented as a function of radiation dose.
URI: http://hdl.handle.net/10466/2760
Appears in Collections:Vol.45

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