Tobacco flavor as well as preparation method and application thereof

The invention discloses a spice preparation method which comprises the following steps: (1) performing carbonization treatment on dried shrimps to obtain carbonized dried shrimps; (2) respectively extracting the carbonized small shrimps obtained in the step (1) with acid and alkali to obtain a carbonized small shrimp extracting solution; and (3) finely extracting the carbonized dried shrimp extract obtained in the step (2) by utilizing silica gel column chromatography to obtain the spice. The invention further discloses the spice obtained through the preparation method and application of the spice in cigarettes. The spice disclosed by the invention is applied to cigarette tobacco shreds, can endow a delicate flavor feeling harmonious with smoke, obviously increases the sweet feeling of the smoke, enriches the aroma of cigarettes and improves the smoking quality of the cigarettes; the spice is used in cigarette tipping paper, can endow the tipping paper with special fresh and sweet feeling and quietly elegant,