Yes, once opened, milk should be refrigerated to maintain its quality and safety. Refrigeration helps slow down the growth of bacteria and other microorganisms that can spoil milk and make it unsafe for consumption.
Milk is a perishable product and contains nutrients that bacteria can thrive on. When left at room temperature, bacteria can multiply rapidly, leading to spoilage and potential foodborne illnesses. Refrigeration helps keep the milk fresh and safe to drink for a longer period.
It is essential to follow proper food safety guidelines when handling milk:
- Always refrigerate milk promptly after opening the container.
- Store milk at or below 40°F (4°C) in the refrigerator. The lower the temperature, the longer the milk will remain fresh.
- Keep milk containers tightly sealed to prevent contamination and absorption of other odors from the fridge.
- Check the expiration date on the milk container before purchasing, and consume it before or on that date.
If you notice any unusual smell, taste, or appearance in the milk, or if it has been left unrefrigerated for an extended period, it's safer to discard it rather than risk consuming spoiled milk. Proper storage and handling can help ensure that milk remains safe and enjoyable for consumption.