What you should know before buying olive oil

Published August 21, 2013

| The Daily Meal

What you should know before buying olive oil

What you should know before buying olive oil

Olive oil fraud is probably one of the most concerning aspects of buying olive oil to consumers today, but armed with the right knowledge, you can make smart purchases.

Pick the Right Store

Picking an extra-virgin olive oil at a supermarket is a lot like picking wine at a supermarket — unless you have prior experience with a particular product, you have no idea what it's going to taste like, and you pretty much have to go with what's written on the back of the bottle.

Although it takes a bit of extra effort, it can be helpful to find a shop that will allow you to taste olive oils. If you think that you can spend your way to a good, unadulterated bottle of oil, you may be surprised to find that "you get what you pay for" isn't necessarily true when it comes to olive oil. "Price is by no means an indicator of quality," says Paul Vossen, a University of California oil specialist who, in 1997, conducted the first tasting panel recognized by the IOC. To put this in context, spending $20 on a bottle of olive oil is no guarantee that it will necessarily be unadulterated, extra-virgin, "good" oil, but at the same time, being dirt cheap isn't a good idea either. Figure on spending at least $7 to $8 for a decent half-liter bottle.

Still, the best thing to do is to trust your senses and taste the olive oil.

What Does Good Olive Oil Taste Like?

A good extra-virgin olive oil will exhibit fruitiness; in fact, it is the minimum criterion for the IOC to consider an olive oil for the extra-virgin grade. What, exactly, is fruitiness? Simon Field, instructor for Savantes, an olive oil certification program for producers, says a fruity olive oil is "reminiscent of both the odor and taste of sound, fresh fruit" which can be "picked at its optimum stage of ripeness" but can also be reminiscent of unripe fruit, like green tomatoes, to name one example, or even a vegetable. It should, in other words, smell and taste like fresh produce.

It can also exhibit pepperiness and bitterness, two other desirable characteristics that may seem surprising to someone tasting a good oil for the first time. These are not flaws; rather, they are evidence that an oil is fresh and that it contains beneficial compounds like polyphenols. Polyphenols have been shown to have antioxidant and anti-inflammatory properties and help protect the oil from spoiling.

Pick the Right Bottle

Particularly when purchasing extra-virgin olive oils, avoid those that are contained in clear glass bottles. Instead, choose oils sold in dark glass bottles, which minimize the oil's exposure to light and help keep it fresh longer. When exposed to light, certain beneficial components of extra-virgin olive oil, polyphenols, break down.

Check the Date

Most extra-virgin olive oils will have a "best by" date and in some cases, the year the olives used to make the oil were harvested. If you see this information on the back of the bottle, pick an oil made using olives from the prior or current year. Olive oil is different from other oils in that it is extracted from the juice of a fruit, and like fruit juice, it is best consumed as soon as possible after it is harvested. If there isn't any information on the harvest, and only a date, try to choose an oil which has a "best by" date that is no sooner than two years from today.

Packed in… Bottled in…

Be leery of labels like "Packed in Italy" or "Bottled in Spain" — such claims are misleading. It may sound like the oil in the bottle is made from olives grown in that particular country and made in that country, but that's often not the case. Instead, look for labels that talk about production from a specific mill. Labels that specify a Protected Designation of Origin (PDO) or a Protected Geographical Indication (IGP in Italian) are also usually good signs.

Learn more about olive oil at The Daily Meal

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