Can yeasts grow food that has a low PH ?
The spoiled foods usually display sensorial changes that can be easily recognized by consumers , thus resulting in significant economic losses due to consumers ’ complaints or product recalls Observable signs of spoilage include product leakage from containers , colour change , emission of unpleasant yeasty odours , emulsion separation ( in mayonnaises , dressings ) , turbidity , flocculation or sediment formation ( in wines , beverages ) and visible colonies or brown film development on product surfaces .