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Factors Affecting Butter’s Shelf Life at Room Temperature
Several factors influence how long butter can safely sit out. The ambient temperature of the room, the type of butter (salted vs. unsalted), and the method of storage all play a role. In cooler climates, butter may last longer at room temperature without spoiling, whereas in warmer environments, it may spoil more quickly. Additionally, keeping butter covered can protect it from air and light, extending its shelf life.
Potential Risks of Consuming Butter Left Out
Consuming butter that has been left out for an extended period can pose health risks. Spoiled butter may harbor harmful bacteria or mold, leading to foodborne illnesses. Additionally, rancid butter, while not necessarily harmful, can have an unpleasant taste and odor, which can affect the quality of your baked goods.
Expert Opinions on Butter Storage and Safety
Food safety experts generally recommend storing butter in the refrigerator to ensure its longevity and safety. However, they acknowledge that butter can be left out for short periods, typically up to a few days, depending on the conditions. Experts advise against consuming butter that has been left out for a week, especially if it shows signs of spoilage, such as an off smell or mold growth.
