We investigated the effects of different curing measures on the changes of tobacco leaf surface al-kane and the losses during curing.The result showed stick-hanging bulk curing barn caused most alkane loss,and the total amount of alkane in cured leaf was reduced by 58.9% compared with the uncured leaf,which was mainly occurred during yellowing and stem-drying stages;basket-holding bulk curing barn had the least alkane loss,and the total amount of alkane in cured leaf was only reduced by 13.8% compared with ...