SAN LEANDRO, CA - NOVEMBER 16:  In this photo illustration, a package of Hostess Twinkies is displayed on November 16, 2012 in San Leandro, California. Hostess Brands, the maker of Twinkies, Ding Dongs and Wonder Bread, announced plans to liquidate its assets and lay off nearly 18,500 employees due to a workers strike brought on by an imposed contract that would cut workers' wages by 8 percent.  (Photo Illustration by Justin Sullivan/Getty Images)
Do Twinkies Really Never Expire?
By Kimberley Laws
Many foods never expire, and Twinkies are consistently rumored to be one of them. It's easy to understand the urban legend surrounding the treat's shelf life, but what exactly goes inside a Twinkie and how long does it really last on the shelf?
According to How It's All Made, Twinkies contain "wheat flour, sugar, corn syrup, niacin, water, high fructose corn syrup, eggs, and shortening," all of which are real ingredients that go bad. As Hostess President and CEO, William D. Toler, stated, "[The Twinkie’s] shelf life is 65 days from bake, and we guarantee 45 days to our customer."
When Colin Purrington discovered a box of eight-year-old Twinkies, he found that the creamy center had turned brown, one sported a mysterious blemish, and one had shriveled. Scientists from West Virginia University quickly discovered that both the spotted and the shriveled Twinkie had become home to fungi, meaning that Twinkies do, in fact, spoil.