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A substance, such as glycerol, used to protect cells or tissues from damage during freezing.

cry′o·pro·tec′tant adj.
cry′o·pro·tec′tive adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(Biology) an agent which prevents cell damage caused by cryopreservation
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
References in periodicals archive ?
Release date- 29072019 - Cell freezing (cryopreservation) - which is essential in cell transfusions as well as basic biomedical research - can be dramatically improved using a new polymeric cryoprotectant, discovered at the University of Warwick, which reduces the amount of 'anti-freeze' needed to protect cells.
Patent FR 1553716: This patent, co-owned by MaaT Pharma and INRA, covers the composition and the application of the cryoprotectant used in MaaT Pharma's proprietary production process that helps to preserve the full diversity of the gut microbiome.
MATSUMOTO, Japan, April 24, 2019 -- A team of Japanese researchers has demonstrated preserving frozen animal cells without a cryoprotectant agent (CPA), a substance that can protect biological material from freezing damage.
(2017) compared the viability of free and microencapsulated Pediococcus acidilactici ATCC 8042 in calcium alginate and co-coating with calcium alginate and chitosan by extrusion technique with subsequent freeze-drying using 10% (w/w) of skimmed milk as cryoprotectant, compared to simulated gastric juice and bile tolerance assays and reported that probiotic cell mortality significantly reduced when microencapsulated probiotics were compared to free cells.
The product utilises a proprietary non-DMSO cryoprotectant, affording optimal cell protection and streamlined preparation in the OR.
Testicular tissue and ejaculated spermatozoa were frozen after addition of a commercially available cryoprotectant according to the instructions of the supplier.
Vitrification is a physical process involving rapid freezing with a low volume of a concentrated solution cryoprotectant (antifreeze) without forming ice crystals (Campos-Chillon et al., 2009).
Li, "Inhibition of frozen storage-induced oxidation and structural changes in myofibril of common carp (Cyprinus carpio) surimi by cryoprotectant and hydrolysed whey protein addition," International Journal of Food Science & Technology, vol.
Explants survival percentage (a) and percentage of shoot formation (b) from lateral buds encapsulated in sodium alginate matrix after 30 days in culture, after incubation in PVS2 cryoprotectant solution for different times (0, 15, 30, 60 and 120 minutes), before immersion in LN.