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I bought a bottle of organic flaxseed oil to season some cast iron, and the store keeps it in the refrigerator. Does flaxseed oil need to be refrigerated, or is this just a silly thing that the overpriced organic grocery stores do?

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up vote 8 down vote accepted

Flaxseed oil goes rancid quickly, and refrigeration slows down this process. So, yes, you should do as the label says (usually a good idea anyway) and keep it in the fridge.

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The label doesn't say, actually, but it's in the fridge. – Neil Fein Jan 28 '11 at 23:07
Will the life of flax seed oil be prolonged if it is stored in the freezer? – user9117 Feb 12 '12 at 18:21

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