Complex sentence: The filtered preparation is then diluted into a solution that stabilizes the virus, which contains monosodium glutamate, potassium phosphate, gelatin, the antibiotic gentamicin, and sugar.
Split into simpler sentences: The filtered preparation is then diluted into a solution that stabilizes the virus. This solution contains monosodium glutamate, potassium phosphate, gelatin, the antibiotic gentamicin, and sugar.