Determination of vanillin, sinapic, coniferyl, and syringic aldehydes in brandies and brandy spirits - Food and Beverage - Beverage

The presence or absence of aromatic aldehydes (vanillin, sinapic, coniferyl and syringic aldehydes) in a sample and also their weight content and proportion allows determination of authenticity and quality of brandies and brandy spirits, and revealing a counterfeit. Together with aromatic aldehydes, it is possible to determine phenolcarbolic acids, such as sinapic, syringic, ferulic, salicylic, cumaric, vanillic, ellagic, p-hydroxybenzoic, caffeic, gallic, protocatechuic. Identification and weight content of these acids is an additional criterion of the spirit authenticity.