method for the preparation of an aggregate of bacterial cells.

摘要

A bacterial cell aggregate having increased particle hardness is produced by contacting a mass of bacterial cells with a cross-linking reaction product of (1) glutaraldehyde, cyanuric halide or combinations thereof and (2) a specific cationic polymer obtained by polymerization of an epihalohydrin and an alkylene polyamine, recovering the resulting aggregate and drying the aggregate.