Sajerah Farm I · Sajerah
Black Mustard Oil
$2.39 · 1 KG
True Grit
True Grit Farms Desk · 2 min read
How to Store Cold-Pressed Oils
Not all cold-pressed oils need the same care. Here is what applies across mustard, sesame and flaxseed.
Cold-pressed oils share some basic storage principles, cool, dark and sealed, but they are not all equally sensitive, and treating flaxseed oil the same as mustard oil undersells how much more careful flaxseed actually needs.
What applies across the board
- All cold-pressed oils benefit from a cool, dark storage spot away from direct sunlight and heat sources.
- Mustard and sesame oil are relatively stable and generally tolerate a pantry shelf well without refrigeration.
- Flaxseed oil is meaningfully more sensitive and does best refrigerated after opening, discussed in more depth elsewhere in this guide.
- Sesame oil sits closest to mustard in stability, thanks to natural compounds that help it resist oxidation.
- Tightly sealing each bottle after use matters across all three, reducing the air exposure that speeds up spoilage.
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Cold-pressed oil storage questions
- Do all cold-pressed oils need refrigeration?
- No, mustard and sesame oil generally tolerate a pantry shelf well. Flaxseed oil is the one that benefits most from refrigeration.
- Which cold-pressed oil is the most stable?
- Sesame oil, thanks to natural compounds that help it resist oxidation better than mustard or flaxseed oil.
- Does bottle colour matter for storage?
- A dark or opaque bottle helps protect against light exposure, though storing any bottle in a dark cupboard achieves a similar effect.
- How long do cold-pressed oils typically last once opened?
- Mustard and sesame oil often last a year or more properly stored. Flaxseed oil should generally be used within a couple of months.
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