Q
does food grade mineral oil expire
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Food grade mineral oil, generally used for conditioning wooden kitchen items like cutting boards and utensils, is very stable and does not go through the same rancidity process as cooking oils. Being a petroleum-derived product, mineral oil is virtually immune to the oxidation or microbial degradation processes that typically cause foodstuffs to expire. However, with prolonged exposure to high temperatures and contaminants, it can potentially degrade or become contaminated, so it's essential to store it properly, ideally in a cool, dry place. If stored under proper conditions, food grade mineral oil can last for several years without any noticeable change. If the oil ever appears cloudy or has an off smell, this could indicate contamination, and it should not be used.
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