Method and device for objective qualitative analysis of grape must and/or wines using wideband infrared spectrometry

摘要

The invention concerns a method and a device for the objective qualitative analysis of liquid vinification compositions, comprising memory means ( 8 ) in which are recorded calibrating values of spectroscopic criteria for a group of characteristic parameters comprising the concentration levels of at least a compound produced by Botrytis cinerea, at least a compound produced by yeasts, at least a compound produced by the acetic bacteria, and at least a compound produced by lactic acid bacteria, means ( 1, 2, 3, 4, 6 ) for producing a continuous infrared spectrum, and means ( 7 ) for calculating the value (VSUBP/SUB) of each characteristic parameter in the composition from the spectrum.