An antibiotic produced by the fermentation of Nocardia lurida, a species of Actinomycetes. The antibiotic has two components, ristocetin A and ristocetin B. The commercial product is a lyophilized preparation representing a mixture of A and B, of which B is no more than 25%.
Properties:
White or tan crystals or powder; practically odorless. Freely soluble in water; practically insoluble in organic solvents.