Clear-flavored,intermediate-flavored,and strongly flavored tobacco leaves respectively from Yuxi of Yunnan,Chenzhou of Hunan,and Zunyi of Guizhou,which had been mellowed for 1 year,were selected to test the main chemical composition of the tobacco leaves.The similarity ...MORE Clear-flavored,intermediate-flavored,and strongly flavored tobacco leaves respectively from Yuxi of Yunnan,Chenzhou of Hunan,and Zunyi of Guizhou,which had been mellowed for 1 year,were selected to test the main chemical composition of the tobacco leaves.The similarity te...