Salmonella contamination at a Nevada food-flavoring plant may trigger the recall of as many as 10,000 products, according to a Consumers Union scientist.

PepsiCo Inc. joined Procter & Gamble Co., Nestle SA and McCormick & Co. yesterday in recalling food containing hydrolyzed vegetable protein, or HVP.

To date, there are no known illnesses associated with the contaminated HVP, which is sometimes referred to as a “natural flavor” on ingredient labels

http://www.accessdata.fda.gov/scripts/HVPCP/
http://en.wikipedia.org/wiki/Acid-hydrolyzed_vegetable_protein