Abstract: A process for the manufacture of a product, in particular a food product, comprising a step of adding an agent with sweetening power, characterized in that the agent with sweetening power is made entirely or partly by the incorporation, into the product, of a gas or a gaseous mixture containing nitrous oxide N2O.

Abstract: A method of preparing a product, in particular an agrofoods or pharmaceutical product, which comprises a step consisting of the addition of an agent with a sweetening power, characterized in that the agent with sweetening power consists, entirely or partly, of the incorporation into the product of a gas or mixture of gases comprising nitrous oxide N2O, and in that one or more adjuvants are added to the composition of the product, which adjuvants make it possible to slow the kinetics of desorption of the gas or mixture of gases comprising nitrous oxide N2O from said matrix once said gas or mixture of gases has been incorporated.