There is an amazing variety of products in which furfural naturally occurs or that can be made from furfural and are used in e.g. automotive industry, agriculture, pharma, etc.
Furfural is one of the oldest chemicals made from biomass. It has been commercially made since 1922 and is today recognised as one of the most import biobased chemical building blocks
The team from the Complutense University of Madrid has developed a simple and inexpensive method to measure if the beer is stale.
Furfural: Freshness Indicator of Beer (and other beverages and foods)!