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Food Chemistry Question: Blueberry + milk = cheese??

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Food Chemistry Question: Blueberry + milk = cheese??

Steve G | Jul 13, 2005 05:05 PM

Last night I dumped some blueberries and milk in the blender.

I had lots of leftover smoothie, which I thought I might have for breakfast this morning if it still looked good.

The glass of blueberry smoothie had completely separated into a solid cylinder of blueberry "cheese" and clear, purple tinted liquid.

Details:
-2/3 blueberries to 1/3 nonfat milk
-I blended it for a good minute to try to get most of the berry skins blended in
-I covered the leftovers in plastic wrap and put them in the refrigerator

Food chemistry question:
Did I make cheese by accident? It's like the blueberries curdled the milk, but the blender emulsified it into one enormous curd. The cylinder of "cheese" was solid enough to stand on its end; it was ~2 inches wide by over 4 inches long.

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