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A reagent (HOCH2CH2SH) used to reduce disulfide bonds, particularly in proteins, and to prevent their formation.
Synonym(s): β-mercaptoethanol


A reducing reagent which contains a thiol group that breaks disulfide bonds in proteins, rendering them functionally effete.
References in periodicals archive ?
Effect of beta-mercaptoethanol during in vitro fertilization procedures on sperm penetration into porcine oocytes and the early development in vitro.
Presence of beta-mercaptoethanol can increase the glutathione content of pig oocytes matured in vitro and the rate of blastocyst development after in vitro fertilization.
beta-mercaptoethanol enhances blastocyst formation rate of bovine in vitro-matured/in vitro-fertilized embryos.
Intracytoplasmic glutathione concentration and the role of beta-mercaptoethanol in preimplantation development of bovine embryos.