furfurol

Definitions

noun In chem., a volatile oil (C₅H₄O₂) obtained when wheat-bran, sugar, or starch is acted on by dilute sulphuric acid.

noun (Chem.) A colorless oily liquid, C4H3O.CHO, of a pleasant odor, obtained by the distillation of bran, sugar, etc., and regarded as an aldehyde derivative of furfuran; -- called also furfural.

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Foerster [6] objects to this method because he finds the color to be due to the presence of furfurol, and that pure amyl alcohol gives no color with aniline and hydrochloric acid.

Scientific American Supplement, No. 365, December 30, 1882 Various
Jaeckle [147] examined a similar product and found considerable quantities of caffein, furfurol, and acetic acid, together with small amounts of acetone, ammonia, trimethylamin, and formic acid.

All About Coffee 1909
By distilling coffee with hydrochloric acid Ewell obtained furfurol equivalent to 9 percent pentose.

All About Coffee 1909
A notable one by Sayre [162] postulates the reaction between acrolein and ammonia to give methyl pyridin, which in turn with furfurol forms furfurol vinyl pyridin.

All About Coffee 1909
He also obtained a gummy substance which, on hydrolysis, gave rise to a reducing sugar; and as it gave mucic acid and furfurol on oxidation, he concluded that it was a compound of pentose and galactose.

All About Coffee 1909
I identified the frightful ingredients masking the mixtures of tannin and powdered carbon with which the fish was embalmed; and I penetrated the disguise of the marinated meats, painted with sauces the colour of sewage; and I diagnosed the wine as being coloured with fuscin, perfumed with furfurol, and enforced with molasses and plaster.

Là-bas Keene [Translator] Wallace 1877