The chromaticity of claret is an important factor influencing claret aesthetic quality. The chromaticity of tinto of the same year was compared with the chromaticity of tinto of different years by spectrophotometer.

• 红葡萄酒的色度是影响感官质量的重要因素,采用分光光度计对同一年份染色葡萄的色度及不同年份染色葡萄的色度进行了对比试验。