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Is it dangerous to eat mouldy yoghurt?

Updated July 20, 2017

You peel back the lid on your yoghurt pot to find a layer of mould resting on top. Unfortunately, the yoghurt's next destination should be the rubbish bin. Because of harmful bacteria that may be living throughout the product, your best move health-wise is to throw out the mouldy yoghurt.

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Mouldy yoghurt

Even in refrigerated areas, moist foods like yoghurt can develop mould. Simply scraping off the mould doesn't solve the problem. In hard cheeses, mould and bacteria often do not penetrate inside the cheese, allowing you to trim off the mouldy area. But with a soft food like yoghurt, mould and bacteria can accumulate throughout the product. Not all the harmful bacteria will be visible.

Health problems

Apart from ruining the taste for yoghurt, mould can cause health problems if ingested. Certain moulds may lead to allergic reactions or respiratory complications. Other moulds may lead to the creation of poisonous mycotoxins. These substances can lead to an upset stomach and make you sick.

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About the Author

Based in California, Scott Levin has served as a writer and copy editor since 2000. His articles have appeared in the "Chico News & Review," "Wildcat Illustrated," the "Chico Enterprise-Record" and on websites such as The Sports Informant. Levin earned his Bachelor of Arts in journalism from California State University, Chico.

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