Greg - Some leads from recent patent filings:

US20080160132A1 - (Inventor) New uses of distiller's grain and solubles (DGS) are provided, including beneficial use of the natural flavor of DGS as a flavorant or sodium potentiator. A low-cost alternative to sodium and other flavorants is thereby provided.

US20070172546A1 (Kraft Food)- Method is provided for producing reduced-fat components that may be used to make reduced and low-fat processed cheese, natural cheese or other reduced and low-fat food products. The reduced-fat flavor components are produced by extraction of fat from full-fat biogenerated cheese flavor components. Alternatively, natural biogenerated cheese flavor components are produced with reduced amounts of fat

US20060057233A1 (Inventors) -Invention relates to plant extracts containing a monomenthyl succinate for use as a coolant in food and non-food products. Methods for isolating the plant extracts are also provided.

US20050152997A1 (Inventors) - All natural flavor enhancers for green tea beverages and dental hygiene product  

US20040197401A1 - inhibiting an undesirable taste in oral compositions such as foods, beverages, and pharmaceuticals is disclosed. Oral and pharmaceutical compositions comprising undesirable tasting compounds wherein said undesirable tastes are inhibited by the addition of at least one sulfated polysaccharide to the oral and pharmaceutical compositions. Preferred sulfated polysaccharides include carrageenan compounds or a mixture thereof.