mycotoxin
noun
my·co·tox·in
ˌmī-kə-ˈtäk-sən 
: a toxic substance produced by a fungus and especially a mold
Examples of mycotoxin in a Sentence
Recent Examples on the Web
None of the products tested positive for heavy metals, like lead, or mycotoxins, which are toxins from fungi, in meaningful quantities.
—
Gina Lee Castro, jsonline.com, 19 Feb. 2026
Eating foods with high levels of mycotoxins can lead to immune suppression, nerve damage, headache, fever and nausea.
—Saleen Martin, USA Today, 18 Feb. 2026
Patulin is a mycotoxin, a naturally occurring substance produced by molds that typically grow on various fruits, particularly apples.
—Sarah Scott, Parents, 17 Feb. 2026
Some types of mold can even release potentially toxic substances known as mycotoxins.
—Molly Burford, Southern Living, 5 Feb. 2026
The mycotoxin is widely categorized as a vomitoxin.
—Tom W. Allen, The Conversation, 12 Nov. 2025
To my surprise, my mycotoxin levels were through the roof.
—Alyce Collins, MSNBC Newsweek, 10 Aug. 2025
Read More: The Healthiest Way to Clean Your House
Besides misunderstandings about color, another mold misconception is the effect of inhaling mycotoxins, compounds produced by certain molds.
—Matt Fuchs, Time, 28 July 2025
While mold is not always dangerous (hello, blue cheese!), some strains can produce mycotoxins, which can be harmful if ingested.
—Mary Cornetta, Better Homes & Gardens, 30 June 2025
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Gina Lee Castro, jsonline.com, 19 Feb. 2026
Eating foods with high levels of mycotoxins can lead to immune suppression, nerve damage, headache, fever and nausea.
—Saleen Martin, USA Today, 18 Feb. 2026
Patulin is a mycotoxin, a naturally occurring substance produced by molds that typically grow on various fruits, particularly apples.
—Sarah Scott, Parents, 17 Feb. 2026
Some types of mold can even release potentially toxic substances known as mycotoxins.
—Molly Burford, Southern Living, 5 Feb. 2026
The mycotoxin is widely categorized as a vomitoxin.
—Tom W. Allen, The Conversation, 12 Nov. 2025
To my surprise, my mycotoxin levels were through the roof.
—Alyce Collins, MSNBC Newsweek, 10 Aug. 2025
Read More: The Healthiest Way to Clean Your House
Besides misunderstandings about color, another mold misconception is the effect of inhaling mycotoxins, compounds produced by certain molds.
—Matt Fuchs, Time, 28 July 2025
While mold is not always dangerous (hello, blue cheese!), some strains can produce mycotoxins, which can be harmful if ingested.
—Mary Cornetta, Better Homes & Gardens, 30 June 2025
Cite this Entry
“Mycotoxin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mycotoxin. Accessed 22 Feb. 2026.
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