If Your Corn Is Reddish-Pink on the Ends, This Is What It Means (2024)

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If Your Corn Is Reddish-Pink on the Ends, This Is What It Means (1)Melany LoveUpdated: Jul. 02, 2021

If Your Corn Is Reddish-Pink on the Ends, This Is What It Means (2)dimid_86/gettyimages

It's known as Gibberella Ear Rot, and it's a fungus that is commonly found in the fields of the Midwest.

When you’re from the Midwest like I am (specifically Illinois!) you eat a lot of corn. And I don’t mean multiple times a month. I’m talking A LOT of corn—sometimes four to five times in a single week! Whether you’re serving up frozen or shucking ears, corn time is all the time.

But what happens when you start to peel your latest cob haul and see all that nasty pink and red at the top? Well, that’s actually a specific kind of corn mold. Here’s what you need to know.

What Exactly Is Corn Mold?

This particular kind of corn mold is known as Gibberella Ear Rot (or Red Ear Rot). It’s caused by the fungus Gibberella zeae. Yuck! It’s specifically identified by the reddish-pink kernels toward the top of an ear of corn. The kernels themselves will usually also be soft, mushy or shriveled. This kind of mold will typically start toward the top of the ear and travel down as the colony spreads.

What causes Gibberella Ear Rot? Extended periods of rain in the fall can drive up the possibility of this disease significantly. Spores will infiltrate during the silking period and cause infection. This kind of mold will most likely affect corn that’s planted right after corn or wheat, which can also be affected by the same spores.

Here’s how you should store your corn on the cob.

Can Shoppers Avoid It?

Yes, shoppers can avoid it. All you have to do is look for the tell-tale signs.

Make sure the corn you choose has a strong husk and ear. Also be aware of any black, fruiting structures that tend to appear on the outside of husks and shanks. These structures, while not on every single ear of corn affected by the pathogen, are a dead giveaway to which corn you should avoid. Sometimes, stores will even supply a garbage so you may shuck the corn before you head home.

Here’s how to pick the best corn. Happy eating!

Originally Published: July 02, 2021

If Your Corn Is Reddish-Pink on the Ends, This Is What It Means (3)

Melany has been writing food news for Taste of Home for four years. Her knowledge of current culinary trends comes from her extensive time spent on FoodTok and scouring Instagram for any unusual food, charcuterie design or coffee shop creation. Apart from freelancing, she has worked at bookstores like Barnes & Noble and Half Price Books and as a barista. She has always wanted a career in writing, and got her start at Taste of Home. When she’s not working, Melany is playing the latest video game, curled up with a book or spending time with her cats.

If Your Corn Is Reddish-Pink on the Ends, This Is What It Means (2024)

FAQs

If Your Corn Is Reddish-Pink on the Ends, This Is What It Means? ›

Those Reddish-Pink Ends on the End of Your Corn Are Actually Corn Mold.

Why is the end of my corn pink? ›

It's caused by the fungus Gibberella zeae. Yuck! It's specifically identified by the reddish-pink kernels toward the top of an ear of corn. The kernels themselves will usually also be soft, mushy or shriveled.

What is the pink color on corn? ›

Gibberella ear rot is caused by the fungus Gibberella zeae. It is a consistently important mycotoxigenic fungus in the northern Corn Belt, producing vomitoxin, zearalenone, and other toxins. Gibberella ear rot can be identified most readily by the red or pink color of the mold.

Can I eat corn if it's pink? ›

ONE IS DANGEROUS: The white moldy ear has Diplodia. The green middle ear is Penicillium. The bottom red/pink mold is characteristic of Gibberella ear rot, which can produce mycotoxins.

Why does corn turn red? ›

Excess Heat, Excess Sugars

In a nutshell, corn leaves and stalks become red as a result of prolonged periods of high temperatures during the period of pollination. In a specific 2012 case that University of Kentucky used as an example, temperatures exceeded 100F for seven consecutive days.

How do you tell if corn on the cob is good or bad? ›

The appearance and aroma of your corn are the two main ways to tell whether or not it has gone bad. If it's giving off a rancid or moldy smell, or has a slimy and mushy texture, it should be tossed in your compost. Similarly, if there's any visible mold on your corn, it has gone bad.

What colors of corn are edible? ›

There are three main categories of corn in the United States: dent corn, flint corn, and sweet corn, which contains subgroups like white, yellow, and bicolor corn. These categories all contain an array of attributes and applications — edible and otherwise.

What color should corn be? ›

Corn comes in many different colors, from yellow to red to purple. The most common colors of corn are white corn and yellow corn.

What color corn is the sweetest? ›

Some people will argue that white corn is sweeter than yellow, while others will firmly hold their ground claiming that the yellow variety is sweeter than white. Both camps are right — sort of. Sweetness isn't determined by the color of the kernel, but rather the type of sweet corn.

Can Red corn be eaten? ›

Red corn has a subtly sweet, earthy, and slightly starchy taste suited for fresh and cooked preparations.

When should you not eat corn? ›

However, some people should limit or avoid corn. Usually, corn is only a problem when consumed in excess. People with diabetes may want to use caution since carbohydrates, like corn, can spike blood sugar. Similarly, people wanting to lose weight may want to limit how much corn they eat.

What color corn is healthiest? ›

When it comes to nutrients, color matters. Plant pigments are where you'll find natural chemicals called phytonutrients, which carry antioxidants. That's why white or yellow corn has fewer antioxidants than blue or purple corn. (These darker-colored types of corn come in chips or taco shells.)

What does red corn look like? ›

Red corn's kernels are stained with hues of ruby brick red and creamy pink tones, depending on specific variety. The cobs of Red corn are typically leaner than yellow or white and kernels and less plump in size, though this is not a reflection of the Red corn's sweetness.

Is colored corn safe to eat? ›

But it can be eaten, and might even be pretty good, if you first soak the kernels in water mixed with something alkaline. (Lime, or calcium hydroxide, is traditional, ashes even more so.) An alkaline bath loosens the tough hulls so they can be rubbed off, leaving hominy, or posole. Crack it if you prefer grits.

Why is my corn silk red? ›

Corn silk colors can vary from yellow to purple to red depending on the genetics of the hybrid. Popcorn hybrids in particular often have vibrant purplish silks. But all silks eventually dry up and turn brown.

Is discolored corn safe to eat? ›

If your corn feels slimy, smells off, or is visibly bruised, throw it away. You should also toss corn immediately if you spot any mold or discoloration. Mold can cause serious health complications, so err on the side of caution.

What is the pink ear mold in corn? ›

GIBBERELLA EAR ROT - When natural early-season infections occur via the silk, Gibberella ear rot typically develops as white to pink mold covering the ear tip to the upper half of the ear.

Why is my corn different colors? ›

The corn color is mainly due to the presence of a huge number of secondary metabolites, such as phenolic acids, carotenoids, and flavonoids. The different expression of these pigments imparts to corn tissues different colors, from yellow-orange to dark purple-blue, as well as ivory, and cream colors.

What color is mold on corn? ›

How do I identify corn mold?
Ear MoldColorAppearance
GibberellaOften bright pink; varies from red to whiteUsually begins at ear tip and progresses to the base
PenicilliumBlue to greenGrows on and between kernels; powdery
TrichodermaGreenGrows on husks and kernels
4 more rows
Mar 19, 2019

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