In this thesis, four experiments were carried out to study the effects of strain, age, and body part on the concentrations of taste compounds and aroma precursors, and research the quantitative changes of those flavor-relating compounds during cooking, then investigate the components of flavor volatiles released from roasted and cooked meat samples.

Study on effect of the organic nitrogen ratio on flavor components,yield and quality of oriental tobacco;

For expressing the superior aroma of new flue-cured line 8306,the experiments were conducted to compare the flavor components of eight flue-cured genotypes,with quantitative determination of leaf surface trichome exudate by spectrophotometry and the petrolum ether extract by residual method,and the identification of flavor components in "8306" and Zhongyan100 by GC/MS.

Development of the Research on Aroma Compositions of Tobacco and the precursor substances;