Similarity of Sensory Quality and Substance Composition of Aged Tobacco Leaves from Different Producing Areas in Yunnan

• LI Zhengfeng, 
• XIA Yuzhen, 
• WANG Luoping, 
• DUAN Kai, 
• YAO Jianhua, 
• XIA Jianjun, 
• HAN Ying, 
• LI Juan