The US Patent Office has granted Patent # 6171631 to Kellogg for its invention titled Expandable Food Products and methods of preparing same. The invention covers a pasta or similar starchy product which will expand to twice its original size upon microwaving by the consumer.
Other companies active in this technology include E. Khashoggi Industries, Iowa State University Research Foundation, American Amaranth, Nabisco Brands, General Mills and Conopco.
Abstract:
- A method for providing an expandable half-product is described comprising a starchy farinaceous material, wherein the starch molecules of the farinaceous material are unidirectionally aligned and form a matrix of randomly aligned starch molecules upon exposure to microwave radiation to form a puffed half-product having at least twice the dimensions of the unmicrowaved half-product.
First (of 22) Claims:
- A method for preparing an expanded food product comprising:
injecting a composition comprising an edible starchy farinaceous material into a mold at a pressure of from 10,000 to about 30,000 psi with an injection molder; and
cooling the molded composition to form the molded expandable half-product; and heating the half-product to form the expanded food product.

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