Yes, homogenized toned milk needs to be refrigerated. Milk is a perishable food product, and keeping it refrigerated is essential to maintain its freshness and prevent the growth of harmful bacteria.
Homogenized milk has undergone a process that disperses the milk fat evenly throughout the liquid, preventing the cream from separating and rising to the top. Toned milk refers to milk that has had some of the fat content removed, typically to make it lower in fat than whole milk but higher in fat than skim milk.
Regardless of whether it's homogenized or toned, milk should always be stored in the refrigerator at a temperature of 40°F (4°C) or below. This cold temperature helps slow down the growth of bacteria that can spoil the milk and make it unsafe to consume.
Leaving milk at room temperature for extended periods can lead to the rapid growth of bacteria, which can cause the milk to sour and become unsafe to drink. Therefore, it's best to refrigerate homogenized toned milk promptly after purchase or use to ensure its quality and safety. Always check the expiration date on the milk container and consume the milk before that date for the best taste and quality.