How to Ripen an Unripe Pineapple: 10 Steps (with Pictures) (2024)

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1Handling an Unripe Pineapple

2Eating Unripe Pineapple

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Co-authored byEd Kuoha

Last Updated: March 14, 2024Approved

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Almost all the pineapple's sweetness shows up in a few days of rapid ripening on the plant. Once picked, the fruit will not become sweeter. On the other hand, these oddballs of the fruit world can sometimes reach ripeness even when the skin is completely green. If you're lucky, your "unripe" pineapple will be sweet and delicious. If not, there are a couple tricks you can use to soften the unripe fruit and make it more pleasant to eat.

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Handling an Unripe Pineapple

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  1. 1

    Smell to test the ripeness. Most of the usual signs of ripe fruit don't mean much on a pineapple. Sniff the base of the pineapple instead: a strong scent means the pineapple is ripe. If you can barely smell it, it's probably not. Cold pineapples never smell strong, so leave them at room temperature for a while before you try this.

    • A yellow-skinned pineapple is a safer choice than a green one, but this isn't a perfect test. Some pineapples are ripe when completely green.[1] Others have golden or red skins, but are still hard and unpleasant to eat.
  2. 2

    Expect the pineapple to soften, but not sweeten. Pineapples do not ripen properly after they are picked. On your kitchen counter, the pineapple will become softer and juicier, but it will not become sweet. All of a pineapple's sugar comes from the starches in the stem of the plant. Once that source is cut off, the pineapple cannot make more sugar on its own.[2]

    • Green pineapples will usually change color as well.
    • It's possible that the pineapple will become even more acidic if stored too long.

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  3. 3

    Prop it upside down (optional). If the pineapple does have a little starch left to convert to sugar, this will be in the base of the fruit. In theory, the sugar might spread better if you keep the pineapple upside down. In practice, the effect is hard to notice, but it might be worth a try.[3]

    • The skin color also travels from the base upward, although this isn't relevant to the ripeness after picking.
    • If it's difficult to prop up your pineapple, twist off the top and place the exposed end on a damp paper towel.[4]
  4. How to Ripen an Unripe Pineapple: 10 Steps (with Pictures) (7)

    4

    Leave it at room temperature. The pineapple should soften within a day or two. Most pineapples will quickly ferment if stored for much longer than this.[5]

    • If the pineapple was picked unripe, it will still be unpleasant to eat. Keep reading to find out how to improve the taste of an unripe pineapple.
    • If you're not ready to eat the pineapple yet, move it to the fridge for another 2–4 days.
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Eating Unripe Pineapple

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  1. 1

    Be cautious with unripe pineapples. Very young, unripe pineapples may be toxic. Eating them can irritate your throat and have a severe laxative effect.[6] That said, most pineapples sold commercially should be at least partially ripe, even if they look green.

    • Even ripe pineapple can hurt your mouth or cause it to bleed. The techniques below will help prevent this as well.
  2. How to Ripen an Unripe Pineapple: 10 Steps (with Pictures) (10)

    2

    Cut the pineapple. Cut off the stem and crown of the pineapple. Then stand the rest flat on a cutting board. Cut off the rind and eyes. You need to cut deep enough to clear the eyes of the pineapple, but not too deep to avoid wasting. Then slice into rounds or chunks.

  3. How to Ripen an Unripe Pineapple: 10 Steps (with Pictures) (11)

    3

    Grill the pineapple. Grilling will caramelize the sugars in the pineapple, adding flavor to a bland, partially unripe fruit.[7] The heat will also neutralize bromelain, the enzyme that can cause pain and bleeding in your mouth.

  4. 4

    Heat pineapple slices in the oven. This has the same results as grilling: a delicious, sweet pineapple. If the pineapple is quite tart and unripe, sprinkle brown sugar over it before heating.

  5. How to Ripen an Unripe Pineapple: 10 Steps (with Pictures) (13)

    5

    Simmer the pineapple. Although this won't caramelize the sugar, simmering will neutralize all of the bromelain. Try this if raw pineapple hurts your mouth:

    • Add pineapple chunks to a saucepan along with all juice collected while cutting.
    • Add enough water to cover.
    • Bring to a boil over medium-high heat.
    • Reduce to a simmer and heat for 10 minutes.
    • Drain and let cool.
  6. How to Ripen an Unripe Pineapple: 10 Steps (with Pictures) (14)

    6

    Sprinkle sugar over cut pineapple. If your pineapple doesn't taste sweet, sprinkle the chunks or rounds with sugar. Eat right away, or store covered in the fridge.

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  • Question

    How do you know when a pineapple is ready?

    How to Ripen an Unripe Pineapple: 10 Steps (with Pictures) (15)

    Community Answer

    The bottom will smell like a pineapple. If it doesn't smell like anything, it isn't ripe.

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  • Question

    The bottom of my pineapple is rotten. Should I throw the whole pineapple away?

    How to Ripen an Unripe Pineapple: 10 Steps (with Pictures) (16)

    Community Answer

    When my pineapples go bad on the bottom, I usually cut off that piece and see if the rest is good enough to eat. If it is, eat it right away; if you don't, the rest of it will go bad very quickly.

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  • Question

    What do I do with a cut pineapple that is not ripe?

    How to Ripen an Unripe Pineapple: 10 Steps (with Pictures) (17)

    Anna Johnson

    Community Answer

    You can try placing it in an open container that won't leak juice (like a plastic container) and putting it in a paper bag in the fridge with an apple. This should help it ripen faster. You could also try grilling it.

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      Tips

      • Summer pineapple tends to be sweeter and less acidic than winter pineapple.[8]

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      • There's no need to place the pineapple in a paper bag, or near other fruits. This technique works well for ripening pears, bananas and apples, but it doesn't work for pineapples. (It might cause the pineapple to turn gold faster, but it has no effect on the internal flavor.)

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      Warnings

      • Storing pineapples in the fridge will slow down the softening and color change. It can even cause the flesh to break down and turn dark, but this usually happens during weeks of storage, not a couple days at home.[9]

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      About This Article

      How to Ripen an Unripe Pineapple: 10 Steps (with Pictures) (27)

      Co-authored by:

      Ed Kuoha

      Chef

      This article was co-authored by Ed Kuoha. Ed Kuoha is a Chef and the Owner of Kuoha Culinary based in Aiea, Hawaii. He has more than 20 years of experience in various culinary kitchens and settings such as Morimoto Waikiki, where he received hands-on training from Iron Chef Morimoto. Chef Ed specializes in small catering events and private chef requests. He holds an Associate’s degree from The Culinary Institute of the Pacific at Kapiolani Community College. This article has been viewed 662,895 times.

      9 votes - 78%

      Co-authors: 15

      Updated: March 14, 2024

      Views:662,895

      Categories: Fruits and Vegetables

      Article SummaryX

      If you have a pineapple that you think may be unripe, give it a sniff. A pineapple may be ripe even when it’s green, so smelling it is a more reliable way to tell than looking at it. If the pineapple smells sweet, it’s probably ripe. But if it has very little smell, it’s likely to be unripe. To encourage the pineapple to ripen and soften, leave it on your counter for 1 to 2 days at room temperature. You can also try storing it upside down, which may help the natural sugars in the pineapple spread throughout the fruit and sweeten it. Unfortunately, if the pineapple was unripe before it was picked, it probably won’t get much sweeter. However, it should soften a bit. If you’re not ready to eat the pineapple yet after leaving it out for a day or two, keep it in the fridge for another 2-4 days so it doesn’t spoil. Once you’re ready to eat the pineapple, cut or twist off the stem and use a sharp knife to slice away the rind and eyes. Cut the fruit inside into rounds or chunks. If you want, you can bring out the natural sweetness of the pineapple by cooking it a little. Grilling or baking pineapple will caramelize the sugars. Another option is to simmer the pineapple. This won’t make it any sweeter, but it will neutralize some of the bromelain, a harsh natural compound in unripe pineapple that can irritate your mouth and stomach. For extra sweetness, sprinkle sugar over the pineapple pieces before you eat them. Just be cautious about eating a pineapple that is very underripe, it can irritate your throat and cause an upset stomach or diarrhea.

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      How to Ripen an Unripe Pineapple: 10 Steps (with Pictures) (2024)

      FAQs

      How long does it take for a pineapple to ripen from the store? ›

      Leave it on the counter at room temperature, and you'll have a ripe pineapple in one to two days. What does overripe pineapple look like? You'll know if your pineapple is overripe if its skin is a dull yellow.

      Will a green pineapple ripen on the counter? ›

      Once harvested, they get no sweeter, though other enzyme actions may continue to soften cell walls and generate aroma molecules.” This means that while leaving a pineapple on your kitchen counter for a few days may soften it up, develop a more powerful smell, and even change color, it's not becoming any closer to ripe.

      Will pineapple ripen after you pick it? ›

      Pineapples do not ripen properly after they are picked. On your kitchen counter, the pineapple will become softer and juicier, but it will not become sweet. All of a pineapple's sugar comes from the starches in the stem of the plant. Once that source is cut off, the pineapple cannot make more sugar on its own.

      How do you keep pineapple from ripening too fast? ›

      Once a pineapple becomes very dark yellow or orange in color, and mushy in texture, it's overripe and on its way to spoiling, and becoming unpleasantly sour. To delay this, you can place the entire pineapple in the refrigerator—uncovered and in the crisper drawer, preferably.

      Does putting a pineapple upside down make it ripen faster? ›

      Turning it upside down helps the sugars flow from the base to the rest of the fruit to speed up the ripening process. For more helpful kitchen tips follow @thismomskitchen #thismomskitchen #pineapples #kitchenhacks #cookinghacks #fruithack #kitchentips #viralvideo #tiktokfood #fyp #explorepage.

      What color is a ripe pineapple? ›

      The Color. When you think of pineapples, you probably think about a greenish-yellow fruit. But the exterior of a pineapple changes from a green-gray to yellow as it ripens, so as a general rule, the more yellow a pineapple's exterior is, the riper the fruit will be.

      Is it safe to eat unripe pineapple? ›

      Unlike other fruits, pineapples do not ripen properly after they are picked. Unripe pineapples may not only taste bad; they can also be toxic. Eating it would cause throat irritation and would have a strong laxative effect.

      How long can you keep a whole pineapple on the counter? ›

      An uncut, ripe pineapple will last for around three days on the countertop before it becomes inedible. You can extend the life of your uncut pineapple by an extra three days if you keep it in the fridge. Trimmed and cut pineapple keeps for five to seven days when you store it in an airtight container in your fridge.

      How do you force a pineapple to ripen? ›

      Place the entire fruit in a brown paper bag along with an apple, peach, pear or banana and seal the bag. These other fruits produce ethylene gas which causes ripening to occur. Keep the bag sealed for about 12 hours. If you detect a sweet aroma then your pineapple is ready.

      Do paper bags help ripen? ›

      So you place some fruit that produces ethylene in a paper bag, the gas begins to build and the fruit does ripen faster. Plastic bags are not good for this: they trap moisture which can cause the fruit to rot before it ripens. Paper bags, and it doesn't matter what color, are best because they're not airtight.

      What can I use instead of a paper bag to ripen fruit? ›

      The Rice in a Bowl Method

      This method originated in India, where you hide unripe mangos in uncooked rice to speed up the ripening process. This involves the same principle as the paper bag method: trapping ethylene. All you have to do is place your mango in a bowl with rice, making sure the mango is completely covered.

      Can you put pineapple in the fridge to slow ripening? ›

      But a pineapple will change color from green to golden, and it'll soften over time. That's the fruit's natural ethylene at work. Refrigeration slows down that process considerably, which is why commercial producers ship the fruit chilled and stores keep them cold until ready to display.

      Does turning a pineapple upside down ripen it? ›

      Simply turn it upside down and place the pineapple on its leaves. You may need to balance it against something so that it doesn't fall over. Pineapple contain starch at their base. Turning it upside down helps the sugars flow from the base to the rest of the fruit to ripen it faster.

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