nanotech
Right now you can buy over 600 consumer products that contain some kind of nanomaterial or nanotechnology, and it turns out that a lot of them are edible. The Emerging Nanotechnology Project has compiled a comprehensive list of consumer items that companies are billing as "nanotech," grouping them into categories like "health" (which includes food) and "electronics." Here you can see their chart showing the breakdown of which products you can buy that contain something that can be called "nano." The E-Nano site also lets you search the products for all kinds of keywords. Needless to say, you can find some pretty bizarre shit if you search under "food."
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