Does syrup go bad if not refrigerated?
When unopened, you can store pure maple syrup for at least a year (or more) in the pantry at room temperature. ... Since it's a natural product with no preservatives, pure maple syrup can go bad. Once opened, store pure maple syrup in the refrigerator to prevent it from spoiling or growing mold.
Does Aunt Jemima syrup need to be refrigerated?
So best to refrigerate it. Imitation maple syrup, usually sold as "pancake syrup," generally is made of mostly corn syrup with a tiny bit of pure maple syrup or artificial maple extract (Aunt Jemima's is one such brand). These syrups often have preservatives that make them safe to store opened without refrigeration.