Disinfection of beverages, such as apple juice, milk, and wine, is optimally achieved by

A. chlorination: Chlorination is effective for disinfecting water and some surfaces but is not suitable for beverages like milk, juice, or wine. Chlorine can leave undesirable tastes and chemical residues, making it impractical for liquid foods intended for consumption.

B. boiling water: Boiling can destroy many vegetative microorganisms but may not eliminate heat-resistant spores and can negatively affect the flavor, texture, or nutritional quality of beverages. It is less controlled than pasteurization for commercial beverage safety.

C. pasteurization: Pasteurization is the preferred method for disinfecting beverages. It uses controlled heat (typically below 100°C) for a specific time to kill pathogenic microorganisms and reduce spoilage organisms without significantly altering taste or nutritional value. Milk, juice, and wine are commonly treated with this method to ensure safety and extend shelf life.

D. moist heat autoclave: Autoclaving sterilizes liquids and equipment at high temperature and pressure, destroying all microbial life including spores. While effective, it is too harsh for beverages, as it can cause changes in flavor, color, and nutrient content.

E. filtration: Filtration can physically remove microorganisms, including bacteria and yeast, from liquids. While it is useful for certain beverages like beer or wine, it is less practical for fluids with high particulate content and does not achieve the controlled microbial reduction provided by pasteurization.