Reducing total germination index in aqueous dispersions e.g. animal milk, involves carrying out sterile filtration using deep filtration units

摘要

Reducing the total germination index in aqueous dispersions involves performing sterile filtration using deep filtration units. The total germination index is reduced, with an effect corresponding to a logarithmic germination retaining value of 2-5. Preferred Features: The filter media have a nominal deposition rate of less than 1, most preferably 0.2-0.3 micro m. The temperature of each dispersion to be filtered is less than 60, preferably 40-50 deg C. The lipid and/or protein content of the dispersion remains unchanged during the deep filtration. The flow speed on the filter is adjusted to less than 1500, especially 500-1200 L per m<2>. The differential pressure on the filters is held at 0-5 bar.