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Olive oil is so much cheaper in bulk. Do you have any tips for how to preserve it? Intuitively, I would assume that re-bottling a large volume into several small bottles (and then keeping the extras sealed and in the dark) would be better than using a larger bottle continuously. Does that hold up to your experience?

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Fill something into a smaller bottle. The stock:

Freeze

No light

Add a little vitamin E. Vit e catches to radicals and therefore prevent oxygenation

If exposure to air is bad, it's possible that re-bottling wouldn't work well. I don't know if bottled olive oil is treated like many other packaged foods and sealed in with an inert(ish) gas, but I wouldn't be surprised if this were the case. I don't know how you could replicate that at home.

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