Abstract
In order to study the importance of chemical component index among tobacco quality evaluation,the importance of chemical components were evaluated according to the relationship between chemical components and sensory quality by grey superior analysis.The results indicated that a group of chemical component index which has close connection with sensory quality had been found by grey superior analysis and tobacco chemistry analysis.For the flue-cured tobacco from Chuanyu tobacco base in the main tobacco-growing areas in north,9 tobacco quality evaluation indexes were chosen such as protein,pH value,citric acid,oleic acid,hexanoic acid dihydroactinidiolide,mgastigmatrienone D,phenylacetaldehyde and dihydro damascenone suggesting the reduction of tobacco quality evaluation indexes to nine from the original sixty-five.
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