If olive oil gets cold enough, climate yes, it will certainly freeze. But most that time, what you space seeing isn"t frozen olive oil, it"s just... It will be cold oil. Oh, and we"ll describe why Dr Oz was totally wrong.
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At what temperature does olive oil solidify?
Olive oil can begin to solidify at temperatures beginning around 54 degrees Fahrenheit (12 ºC). Due to the fact that olive oil is a natural product, an accurate temperature is impossible to cite since it deserve to vary a lot. Refrigerator temperatures room usually around 40 levels Fahrenheit, therefore this is cold sufficient to make many olive oil begin to solidify. Put olive oil in a freezer that is in ~ the encourage temperature the 0 degrees F and you will definitely end up through an olive oil ice cube; the actual freezing suggest of olive oil is report to be roughly 10 ºF (more about possible reasons for freezing olive oil later). Sometimes olive oil will be subjected to actual freezing temperatures accidentally, but it"s more common because that it to conference refrigerator-ish temperature (in trucking throughout the winter, because that example).
So what space those chunky bits in cold olive oil?
When olive oil gets cold, some of the triacylglycerols (three fatty acids on a glycerol "backbone") start to solidify. Over there are additionally naturally developing waxes in olive oil the come native the skin that the olive the harden at low temperatures. Together olive oil cools, this things cause cloudiness and/or type crystals, (aka chunky bits). The temperature once these crystals begin to type will vary tremendously relying on the individual olive oil and also its chemistry. This is influenced by the olive variety, harvest maturity, cultivation climate and other factors.
What"s with Dr Oz?
A few years earlier Dr. Oz asserted that the was possible to recognize the high quality of olive oil by putting it in the fridge. If it solidified, go the theory, it"s extra virgin olive oil. If it stays liquid, it"s not extra virgin. Unfortunately, that is utterly wrong. The things that cause olive oil to solidify room not indicative the extra virgin quality. The photo below graphically illustrates just exactly how wrong this "fridge test" is.
The olive oil in this jug is 100% refined olive oil that remained in a refrigerator at 40 degrees F. Over there is no extra virgin olive oil in it in ~ all. As you deserve to see, the olive oil in the jug is completely solid. Indicator that olive oil great or quality? Nope.
So how did Dr Oz obtain this so wrong? Possibly since of the practice recognized as "winterization" for food preparation oils. This process involves progressively cooling an oil till those triacylglyerols and waxes begin to crystalize and also then filtering or centrifuging castle out. Canola and other common cooking oils and also refined olive oil are regularly winterized. The procedure is vital for vegetable oil that will finish up in advertisement mayonnaise, for example, due to the fact that the crystallizing due to cold can break the emulsion and cause the mayo to separate. This winterizing procedure is what enables some oils—including some olive oils—to remain liquid and also clear in ~ refrigerator temperatures.
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Keeping olive oil in the refrigerator
Keeping olive oil in the frozen fridge is typically not recommended. First, it"s inconvenient. In bespeak to use the oil, you must put it at room temperature for rather a while till the chunky bits warmth up and also disappear—which castle will. This is good to know if you ever before have an accidentally chilled bottle of olive oil: leaving it in ~ room temperature and also it will certainly liquify. The quicker alternative is to put the bottle of olive oil in a food of warmth water, but we know that our olive oil will preserve its quality far better if it"s retained cool, so that is no recommended. Second, the recurring warming and also cooling that the party can cause condensation inside, and you never want moisture in her olive oil. So for storage, cellar temperature in the high 50s/low 60s ºF are ideal.
All this said, oxidation does slow with cooler temperatures so refrigeration will extend the life that the oil. For this reason if you have actually some fabulous extra virgin olive oil in your cupboard and also you room going on vacation for a month in August, sticking that bottle in the fridge would be a great idea. When you gain home you"ll take it the party out, let the sit at room temperature because that a while, and slosh it right into your salad dressing. A dominance of thumb: if you are worrying that much around keeping a bottle of olive oil fresh, you most likely need come buy smaller bottles and/or ramp up your consumption!
Can ns freeze olive oil?
So to come earlier to where we started, what room the reasons you might want to freeze olive oil? The most common reason is to keep fresh herbs in a convenient form. By mix olive oil v those chopped fresh herbs you deserve to make frozen cubes come toss into your dishes together needed—a homemade convenience food! If her freezer is at the correct temperature that 0 levels F, you will certainly effortlessly end up v herby olive oil ice cubes that have the right to be unmolded and kept in freezer bags.
There"s one more reason you might play about with freezing olive oil. In a small informal experiment, the writer froze a freshly-made olio nuovo to view if it maintained its distinct character. Olio nuovo ("new oil") is distinctive in flavor, having actually high pepperiness, and a an extremely bright, eco-friendly olive character. Usually the shelf life the these assets is much less than 6 months. An identical sample of oil was put in cool, dark cellar conditions (~60 ºF). After 6 months the two samples were presented blind to a trained taste panel. Both oils were found to be extra virgin quality, yet the frozen sample scored much higher for freshness and green characteristics. Interestingly, after just a few weeks, the difference in flavor in between the 2 samples had disappeared. For this reason if you desire to experiment with freezing super-fresh olio nuovo to gain later, placed it right into an ice cube tray. Then you have the right to thaw tiny quantities quickly and also easily to add harvest-fresh smell to your meal anytime!