LOS ANGELES (CBS) — Soft drink maker PepsiCo said in newly-released court documents that its Mountain Dew soda can dissolve a dead mouse.

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In fact, the company is using that assertion to defend itself in a lawsuit from Ronald Ball, an Illinois man who alleges he found a dead mouse in his can of Mountain Dew.

Ball also accused PepsiCo of destroying the mouse carcass after he allowed them to test it.

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Pepsi attorneys denied the allegations and claimed the soda would have dissolved any dead mouse in the can before it reached store shelves.

They argued that the mouse would have become a “jelly-like substance”, according to court documents quoted by Legal Newsline.

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It’s not the first time the soft drink giant has faced an ugly lawsuit: federal regulators in 2009 said a “disgusting” blob found in a can of Diet Pepsi was probably a frog or toad.