7Enzell C R. Leaf composition in relation to smoking quality and aroma [J]. Rec. Adv. Tob. Sci., 1980, 6:64-122
8Noguchi M,Satoh Y, Nishidi K, et al. Studies on storage of leaf tobacco part Ⅸ. Changes in the content of aminosugar compounds during aging [J]. Agri. Boil. Chem., 1977, 35(1): 65-70
9Wahlberg I, Karlsson K, Austin J, et al. Effects of flue - curing and aging on the volatile on the volatile, neutral and acdic constituents of Virginia tobacco [ J]. Phytochemistry. 1977, 16(1) : 1217 - 1231
10Takeshi S, Fukuhara K, Sakuma H, et al. Changes in the composition headspace volatile of flue - cured tobacco by aging [ J ]. Agri. boil. Chem. , 1985, 49(6) : 1785 - 1791
