3-Hydroxy-4,5-dimethylfuran-2(5H)-one

What it is. 3-Hydroxy-4,5-dimethylfuran-2(5H)-one is a flavouring substance identified by CAS 28664-35-9, classified in the sensory additives category, functional group 2b (flavouring compounds). It is a defined chemical entity used for its aromatic properties.

What it is for. It is generally used to impart or reinforce a flavour note in compound feed, as is customary for additives of this functional group. Use is generally intended for the usual target species of flavoured feed, according to formulation needs. Inclusion is generally decided by the formulator based on the desired sensory profile rather than on a nutritional function.

Points to watch. As a flavouring substance (group 2b), it is subject to the general conditions of use applicable to this functional group; no maximum content figures are provided here. Batch-to-batch variability and storage conditions should be checked against the official description and regulatory annex.