Cigarette filter and cigarette

Abstract

A cigarette filter includes filter plugs separated from each other and arranged through a cavity, a flavor capsule encapsulating a content liquid including a flavor in a shell and provided in the cavity between the filter plugs, and a liquid-impermeable tipping paper and/or filter wrapper wrapped around the filter plugs and the flavor capsule, wherein the content liquid comprises the flavor and a thickener and has a viscosity of 30 mPa·s or more.

What is claimed is: 
     
         1 . A cigarette filter comprising: filter plugs separated from each other and arranged through a cavity; a flavor capsule encapsulating a content liquid including a flavor in a shell and provided in the cavity between the filter plugs; and a liquid-impermeable tipping paper and/or filter wrapper wrapped around the filter plugs and the flavor capsule, wherein the content liquid comprises the flavor and a thickener and has a viscosity of 30 mPa·s or more. 
     
     
         2 . The cigarette filter according to  claim 1 , wherein the content liquid has a viscosity of 80 mPa·s or more. 
     
     
         3 . The cigarette filter according to  claim 1 , wherein the thickener is selected from the group consisting of liquid thickeners and solid thickeners. 
     
     
         4 . The cigarette filter according to  claim 3 , wherein the liquid thickener is fat and oil or sucrose diacetate hexaisobutyrate (SAIB). 
     
     
         5 . The cigarette filter according to  claim 1 , wherein the content liquid further comprises a solvent and/or a dye and/or an emulsifier. 
     
     
         6 . The cigarette filter according to  claim 1 , wherein the shell of the flavor capsule further comprises a dye. 
     
     
         7 . The cigarette filter according to  claim 1 , wherein the liquid-impermeable tipping paper and/or filter wrapper is a oilproof paper. 
     
     
         8 . A cigarette comprising: a tobacco rod; and the cigarette filter according to  claim 1 .