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14 Fruits and Vegetables You Shouldn’t Peel—And 9 You Should

Put down that peeler! You could be missing out on a host of health benefits if you remove the skin from these fresh fruits and vegetables.

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Peeling some potatoes on white table Valeria Selezneva/Shutterstock

Why you shouldn’t peel these fruits and vegetables

The skin or peel of fruits and vegetables are generally higher in antioxidants, fibre, vitamins and minerals than the flesh, according to Malina Malkani, MS, RDN, CDN, creator of the Wholitarian Lifestyle. Unpeeled fruits and vegetables may have up to 33 per cent more fibre than those without the peel. And antioxidant levels in the skins of fruits could be up to 328 times higher than those found in the flesh, Malkani says.

Still, Alyssa Pike, RD, the manager of nutrition communications for the International Food Information Council Foundation, says the amount of nutrients in each peel differs by the type of fruit or vegetable. And the only skins Hillary Cecere, MS, RDN, a registered dietitian for Eat Clean Bro, doesn’t recommend eating are the ones that are too tough or not tasty to eat. With that in mind, if your goal is also to increase the health-promoting nutrients in your diet, experts say it’s best to eat the following fruits and vegetables without peeling them. (And make sure you peel the rest!)

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Close up of pile of ripe cherries with stalks and leaves. Large collection of fresh red cherries. Ripe cherries background. Melica/Shutterstock

Don’t worry about peeling berries, cherries or grapes

Malkani says it’s better to eat berries, cherries and grapes without peeling them. Aside from the fact that it’s challenging to peel cherries and grapes, and not really possible to peel most berries, the peels offer lots of antioxidants and nutrients. Grape skin is particularly beneficial since this part of the grape has the highest amount of antioxidants in the whole fruit.

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A group of ripe peaches in a bowlPNPImages/Shutterstock

Avoid peeling pears, peaches and plums

Peach, pear and plum skin each have a lot of fibre, nutrients and antioxidants. One study even found that removing peach skin results in 13 to 48 per cent fewer antioxidants. Whether or not you’re enjoying your fruits and vegetables peeled, always clean them thoroughly before eating.

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Avoid peeling apples and apricots

Apples are one of the fruits Cecere especially recommends not peeling. “Apple skin has insoluble fibre, vitamin C, vitamin A and the flavonoid quercetin,” she says. Although apple skins contain so many nutrients and fibre, they are a higher pesticide fruit. So make sure you wash them well or consider buying organic apples.

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Delicious red tomatoes. Summer tray market agriculture farm full of organic vegetables It can be used as background. (selective focus)ULKASTUDIO/Shutterstock

Avoid peeling tomatoes

Tomato skin has a high concentration of the flavonoid naringenin, which could decrease inflammation and protect against some diseases, although more research is necessary. Other research also shows cooking tomatoes with the skin on increases the availability of some nutrients, too.

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Avoid peeling kiwis and cucumbers

Kiwi skins are surprisingly edible, Malkani says. The kiwi skin has lots of vitamin C, and eating it triples the amount of fibre, Cecere says. Try slicing it really thin to warm up to eating the fuzz, she suggests. As for cucumbers, you’ll want to keep the skin for the vitamin K, fibre and potassium—but you can do without that waxy layer. “Cucumber skins can be waxy, so be sure to wash well and even use a paper towel to rub off the waxy layer,” Cecere says.

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Genius Microwave Tricks- 16 Foods You Had No Clue You Could Nukemahey/Shutterstock

Avoid peeling eggplants and zucchini

Keep the eggplant skin on if you want the extra fibre, flavonoids and magnesium, according to Cecere. Another reason to keep eggplant skin and zucchini skin on too is because of water. Both zucchini and eggplant have a high water concentration—zucchini is 95 per cent water, and eggplant is 92 per cent water. The skin of these veggies is where most of the nutrients are found.

Brush up on the amazing health benefits of eggplants.

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japanese potatoes in market display for sell in the morningpattaworn/Shutterstock

Avoid peeling potatoes

The peel of potatoes contains fibre, iron, vitamin C, potassium and folate, Cecere says. Instead of stripping away those nutritious benefits, use a vegetable brush to scrub the potato gently before cooking.

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Fresh mandarin oranges textureAnastasiia Malinich/Shutterstock

Save the peels of citrus fruits

The peels of citrus fruits like lemons, limes and oranges are edible if you cook or grate the skin into zest, Malkani says. Oranges and other citrus fruits are some of the best antioxidant-rich foods you can eat!

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Decorative orange pumpkins on display at the farmers market in Germany. Orange ornamental pumpkins in sunlight. Harvesting and Thanksgiving concept.MNStudio/Shutterstock

Save the peels of pumpkins and winter squashes

Pumpkins (technically a fruit) and winter squashes have skins you can only eat if you cook and soften them, Malkani says.

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 Hawaiian pineapples backgroundShulevskyy Volodymyr/Shutterstock

Always peel tropical fruits

Pineapples, papayas, mangos, bananas, melon and lychee are tropical fruits that you should always peel. These fruits have skins that are either difficult to chew and digest, or downright inedible, Malkani says.

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Bunch of green Avocados. One of them is opened that the stone and the pulp are visibleAlexander Sherstobitov/Shutterstock

Always peel avocados, garlic and onions

Like tropical fruits, avocado skin is tough to digest and not something you should eat. Avocados are a good source of fibre, potassium, folic acid and monounsaturated fats. As for garlic and onions, the peel is not especially beneficial or tasty—so it’s worth taking that layer off.

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orange peel mandarin background. tangerines top viewKseniia Konakova/Shutterstock

It comes down to personal preference

There are many benefits in eating the peels of most fruits and vegetables, but it’s not the only nutritious part. So Malkani, Pike and Cecere agree: If the peel of a fruit or a vegetable is particularly hard or unappetizing, it’s better to eat it without the skin—and benefit from the nutrients within—than to avoid eating fruits or vegetables altogether.

Next, check out the food parts you should never throw in the garbage.

Originally Published on Reader's Digest