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Definition of tetrahydrofurfuryl alcohol. : a high-boiling liquid (C4H7O)CH2OH made by catalytic hydrogenation of furfural and used as a solvent and in the preparation of esters.
Hydroxymethylfurfural (HMF), also 5-(Hydroxymethyl)furfural, is an organic compound derived from dehydration of certain sugars. This yellow low-melting solid is highly water-soluble.The molecule consists of a furan ring, containing both aldehyde and alcohol functional groups. HMF has been identified in a wide variety of baked goods. HMF, which is derived from hexoses, is a potential  carbon-neutral  feedstock for fuels and chemicals.cid conditions favour generation of HMF. HMF is a well known component of baked goods. Upon toasting bread, the amount increases from 14.8 (5 min.) to 2024.8 mg/kg (60 min). It is a good wine storage timeâtemperature marker, especially in sweet wines such as Madeira and those sweetened with grape concentrate arrope.