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| cryoprotectant ： ウィキペディア英語版 |
cryoprotectant
A cryoprotectant is a substance used to protect biological tissue from freezing damage (i.e. that due to ice formation). Arctic and Antarctic insects, fish and amphibians create cryoprotectants (antifreeze compounds and antifreeze proteins) in their bodies to minimize freezing damage during cold winter periods. Cryoprotectants are also used to preserve living materials in the study of biology and to preserve food products.
==Mechanism==
Cryoprotectants operate by increasing the solute concentration in cells. However, in order to be biologically viable they must easily penetrate cells and must not be toxic to cells.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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