By Ujjainee Roy
August 20, 2024
Milk is a staple in many households, but it can spoil quickly if not stored and handled properly. Spoiled milk not only has an unpleasant taste and smell but also loses its nutritional value and can cause foodborne illness. Fortunately, there are several effective ways to extend the shelf life of milk and keep it fresh for longer.
One of the most important factors in keeping milk fresh is proper refrigeration. Milk should be stored at or below 4°C (39°F) to slow down the growth of bacteria that cause spoilage. Make sure your refrigerator is set to the correct temperature and that milk is placed in the coldest part of the fridge.
Always keep milk containers tightly sealed when not in use. Exposure to air can introduce bacteria and other contaminants into the milk, accelerating spoilage. A tightly sealed container also prevents the milk from absorbing odors from other foods in the fridge, which can affect its taste.
Cross-contamination can occur when other foods or utensils come into contact with milk. Always use clean utensils when pouring or measuring milk, and avoid returning poured milk back into the original container. Even small amounts of foreign substances can introduce bacteria that lead to faster spoilage.
If you buy milk in large containers, consider transferring it to smaller containers after opening. This reduces the amount of air in contact with the milk each time you open it, which helps to preserve its freshness. Make sure the containers are clean and sterilized before use to prevent contamination.
Leaving milk out at room temperature, even for a short time, can significantly reduce its shelf life. Bacteria multiply rapidly at warmer temperatures, so it's essential to return milk to the refrigerator as soon as possible after each use. If you’re serving milk at a meal, only pour what you need, and keep the rest in the fridge.
When purchasing milk, always check the expiration date and choose the freshest option available. If possible, buy milk that has a "sell-by" date farthest in the future. Additionally, purchasing milk in smaller quantities more frequently can help ensure that you always have fresh milk on hand, reducing the risk of spoilage.