Without the ability to smell, you lose the ability to taste anything more complicated than the five tastes your taste buds can detect: sweet, salty, bitter, sour, and savory.
Sans odorat, on ne perçoit rien de plus complexe que les cinq saveurs que les papilles gustatives reconnaissent : le sucré, le salé, acide, l'amer, et le savoureux, ou umami.