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Extraction from prawn shells of substances cryoprotective for Vibrio cholerae
S Shimodori1, T Moriya, O Kohashi
1School of Health Sciences, Kyushu University, Fukuoka, Japan.
Applied and Environmental Microbiology
|October 1, 1989
Abstract:
Substances cryoprotective for Vibrio cholerae were detected from prawn shells immersed in phosphate-buffered saline. This cryoprotective activity was heat resistant and sensitive to treatment with trypsin. For the exhibition of its full activity, the presence of Mg ion was indispensable. The cryoprotective activity of this substance was more active than that of other known cryoprotectants, like glycerol or serum.