Analysis of furan and its major furan derivatives in coffee products on the Chinese market using HS-GC–MS and the estimated exposure of the Chinese population

•Improved HS-GC–MS method is simpler to operate and had better applicability.•Coffee beans and coffee power were the products with the highest contents of furan and its derivatives.•Furan and 2-methylfuran were the residues with the highest detection rates and contents in coffee products.•Research on the control of furan and its derivatives in the production process of coffee products should be strengthen.