Vegetable oil supermarket shelves go through a deodorization stage that removes trace amounts of odors and flavors, and lightens the color of the oil. People can breathe in vegetable oil mist in the workplace. The U.S. Occupational Safety and Health Administration (OSHA) has set the legal limit (permissible exposure limit) for vegetable oil mist exposure in the workplace as 15 mg/m total exposure and 5 mg/m respiratory exposure over an 8-hour workday. The U.S. National Institute for Occupational Safety and Health (NIOSH) has set a recommended exposure limit (REL) of 10 mg/m total exposure and 5 mg/m respiratory exposure over an 8-hour
Chiffon cake harden or dry out as traditional butter cakes might. This makes them better-suited than many cakes to filling or frosting with ingredients that need to be refrigerated or frozen, such as pastry cream or ice cream. The lack of butter, however, means that chiffon cakes lack much of the rich flavor of butter cakes The recipe is credited to Harry Baker (1883–1974), a California insurance salesman turned caterer. Baker kept the recipe secret for 20 years until he sold it to General Mills, which spread the recipe through marketing materials in the 1940s and 1950s under the name "chiffon cake",