Fecha de publicación: 30/08/2022 Fuente: WIPO "hemp" The industrialized fermentation method comprises the following steps: humidifying cigar coat tobacco leaves until the water content is 20-30% and the water content of cigar core tobacco leaves is 25-35%; placing the tobacco leaves in a moisture balance chamber for 12-24 hours; stacking the tobacco leaves subjected to moisture balance to form a tobacco pile with the width of 1.5 +/-0.1 m and the height of 1.2 +/-0.1 m, wrapping the whole tobacco pile with hemp slices for fermentation, and burying thermometers in the lower part, the middle part and the upper part of the tobacco pile respectively; turning over the stack when the monitoring temperature of any layer in the fermented tobacco pile reaches a preset upper limit temperature; according to the tobacco leaf fermentation duration and smoldering fire-holding time in the fermented tobacco pile, fermentation termination and unstacking are judged, and after unstacking, humidity control standing is carried out until the water content of the tobacco leaves on the cigar coats does not exceed 20%, and the water content of the cigar cores does not exceed 18%; and sorting and grading the tobacco leaves subjected to unstacking, humidity control and standing in a tobacco leaf sorting and grading room with the relative humidity of 80 +/-5%. The invention has the characteristics of strong operability, obviously improved physical appearance, obviously improved smoking quality and improved combustibility.