Texture
Japanese: テクスチャー（食感）
The physical mouthfeel of food. Hardness, stickiness, smoothness—elements constituting the eating experience beyond taste and aroma.
Texture is the collective term for a food's physical properties in the mouth—hardness, elasticity, viscosity, smoothness, graininess. While taste and aroma are chemical stimuli, texture is mechanical.
Miso's texture varies dramatically with how finely soybeans are mashed, moisture content, and aging period. Chunky miso and smooth miso offer completely different mouthfeels, with consumer preferences split.
Fermentation also transforms texture. Protease breakdown of protein softens soybean tissue, and long-aged miso gains increasing smoothness. Rheology—the study of flow—provides the scientific foundation for understanding these texture changes.