How to Tell if Eggplant Is Bad

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You’ve got a hankering for an eggplant recipe, but you’re not totally sure if the eggplant in your hand is up to the task. How can you know for sure that your eggplant is bad (or good!) before it’s time to start cooking? Not to worry—we’ve got your back. We’ve outlined a complete list of ways to inspect your eggplant, along with some safety and storage tips that may come in handy later on.

How to Know if Eggplant is Bad

Bad eggplant looks wrinkly and dull-colored, have a squishy texture , and give off a rotten odor. Fresh eggplant lasts 2-3 days at room temperature, 5 days in the refrigerator, and 8-12 months in the freezer. If your eggplant turns brown after you slice it, it's okay to eat.

Section 1 of 4:

Signs That Eggplant Is Bad

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    A ripe, safe-to-eat eggplant looks really shiny and has tight, smooth skin. If your eggplant has lost its luster and/or looks wrinkly, it’s past its prime and no longer good to cook with. [1]
    • Keep an eye out for brown spots around your eggplant, too. These spots are another sign that your eggplant is on its way out.
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    Take a close look at the stem growing from the top of the eggplant. Is it green and vibrant, or is it starting to fade? A withered, unhealthy-looking stem could mean that the eggplant is damaged and not good to cook with. Examine the body of your eggplant, too; depending on the variety, it should be a shiny, bold white or vivid purple hue, rather than a faded, listless color. [2]
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    Press along the body of the eggplant with your finger. Does it have a tiny bit of “give” to it, or is your finger breaking through the surface? If the vegetable is mushy throughout, you’re better off throwing it out and using a firm, ripe eggplant instead. [3]
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    If you’ve already bought the eggplant, slice into the flesh and take a look at the color. Is it white throughout, or does it look brown? Tap the surface of the inner eggplant with your finger, too—if it’s discolored and slimy, the eggplant definitely needs to be thrown out. [4]
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    Take a quick whiff of your eggplant and see if you detect any bad odors. If it smells nasty, throw it out right away. [5]
    • Rotten, smelly eggplants may also have bugs hanging around.
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    Most mold on your eggplant is a big red flag, especially if the plant is soft and mushy to the touch. If your eggplant is still firm and the mold spots are really small, it’s safe to cut off the affected spots and eat or cook with the rest of the plant. [6]
    • Make sure to leave a 1 in (2.5 cm) perimeter around the mold spot as you slice it out. That way, the contaminated part of the veggie can’t touch the rest of the plant.
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Section 2 of 4:

How long does eggplant last?

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    Eggplants have a super short shelf life and start to go bad after 2-3 days. [7] They don’t last very long in the refrigerator, either—even when stored properly, refrigerated eggplants are only good for about 5 days. [8]
    • Eggplants last about 8-12 months in the freezer. [9]
Section 3 of 4:

Is it okay to eat eggplant that is brown inside?

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    A brown eggplant is a rotten eggplant, so you definitely don’t want to eat or cook with it. Eating rotten food can make you sick, so it’s not worth the risk. [10]
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    Eggplants go through a process called “enzymatic browning” after they’re cut—in other words, the white-colored slices of eggplant start turning brown after they come in contact with the air. [11] Oxidized eggplant is totally safe to eat, as long as you store it correctly. [12]
    • Drizzle some lemon juice over your eggplant slices right after you cut them. The acidity of the lemon juice helps prevent the produce from turning brown.
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Section 4 of 4:

Ways to Store Eggplant

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    Unlike other fruits and veggies, eggplants thrive when they’re kept out of direct sunlight in a room temperature area. [13] Be sure to use your eggplant within 2-3 days, or else it’ll start to go bad. [14]
    • Store your eggplant a safe distance away from any tomatoes, apples, melons, bananas, or peaches. These fruits create ethylene gas, which makes eggplants go bad sooner. [15]
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    Eggplants prefer room-temperature storage, so stick it in your vegetable crisper drawer for safekeeping. Loosely cover the eggplant with plastic wrap before sticking it in the fridge—this helps the plant stay closer to room temperature and prevents any “chilling injuries” from developing. [16]
    • Chilling injuries are soft, wet sections of eggplant that pop up after refrigeration.
    • Never stick an eggplant in a sealed plastic bag! This makes it go bad really quickly. [17]
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    Clean off the eggplant, peel away the skin, and chop it up into 1 ⁄ 3  in (0.85 cm) thick slices. Then, blanch the slices in a boiling mixture of 1 US gal (3.8 L) of water and 1 ⁄ 2   c (120 mL) of lemon juice for 4 minutes. [18] Then, slide the slices into a freezer-safe safe plastic bag and stick them in the freezer .
    • Mark the freezer bag with the current date, so you don’t forget how old the eggplant slices are.
    • You can also preserve eggplant for long-term storage with a food dehydrator .
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Expert Q&A

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  • Question
    How do you keep eggplant fresh after cutting?
    Ollie George Cigliano
    Private Chef & Food Educator
    Ollie George Cigliano is a Private Chef, Food Educator, and Owner of Ollie George Cooks, based in Long Beach, California. With over 20 years of experience, she specializes in utilizing fresh, fun ingredients and mixing traditional and innovative cooking techniques. Ollie George holds a BA in Comparative Literature from The University of California, Berkeley, and a Nutrition and Healthy Living Certificate from eCornell University.
    Ollie George Cigliano
    Private Chef & Food Educator
    Expert Answer
    You can avoid the browning/oxidation of cut eggplant by submerging it in acidified water or by applying lemon juice or olive oil to the cut surface area. Squeeze lemon juice directly on the surface, drizzle olive oil, or apply either portioned from a small bowl with a pastry brush or a clean, folded paper towel. Just keep in mind that this will add flavor to your respective recipe!
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      Warnings

      • Always throw out your eggplant if you aren’t 100% sure that it’s safe to eat. It’s always better to be safe than sorry!
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      References

      1. ↑ https://www.bonappetit.com/test-kitchen/ingredients/article/from-the-market-eggplants
      2. ↑ https://www.bonappetit.com/test-kitchen/ingredients/article/from-the-market-eggplants
      3. ↑ https://www.bonappetit.com/test-kitchen/ingredients/article/from-the-market-eggplants
      4. ↑ https://www.allrecipes.com/article/how-to-store-eggplant/
      5. ↑ https://www.allrecipes.com/article/eggplant-brown-inside/
      6. ↑ https://www.fsis.usda.gov/food-safety/safe-food-handling-and-preparation/food-safety-basics/molds-food-are-they-dangerous
      7. ↑ https://www.tipiproduce.com/wp-content/uploads/2015/05/tipistorage2015-2.pdf
      8. ↑ https://extension.purdue.edu/foodlink/food.php?food=eggplant
      9. ↑ https://www.extension.purdue.edu/extmedia/HHS/HHS-785-W.pdf
      1. ↑ https://www.allrecipes.com/article/eggplant-brown-inside/
      2. ↑ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7994816/
      3. ↑ https://www.allrecipes.com/article/eggplant-brown-inside/
      4. ↑ https://extension.purdue.edu/foodlink/includes/pubs/Storing%20Fruits%20and%20Veggies.pdf
      5. ↑ https://www.tipiproduce.com/wp-content/uploads/2015/05/tipistorage2015-2.pdf
      6. ↑ https://ucsdcommunityhealth.org/wp-content/uploads/2017/09/ethylene.pdf
      7. ↑ https://ohioline.osu.edu/factsheet/hyg-5517
      8. ↑ https://www.thekitchn.com/the-best-place-to-store-eggplant-is-not-in-the-refrigerator-174191
      9. ↑ https://nchfp.uga.edu/how/freeze/eggplant.html

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