It is hollow but crunchy with a salty flavor. Thai food blends five fundamental tastes&colon; sweet, spicy, sour, bitter, and salty. Both forms have many culinary uses in sweet, bitter, salty and tangy dishes. Prepared mustard condiment may also have ingredients giving salty, sour (vinegar), and sweet flavors. Each individual dish will be either sweet, sour, salty or bitter in taste. It is sometimes used to harmonise sweet, sour, salty, and spicy components in food. Originally the taste was fresh and salty. Salt has roles in cheese besides adding a salty flavor. Each individual dish will usually be one of either sweet, sour, salty or bitter. Many Gujarati dishes are distinctively sweet, salty, and spicy at the same time. This combination of cold sweet and salty taste was very popular for many years. Doufuru is another type of fermented tofu that has a salty taste. They are intolerant of salty soils or salt spray. The gustatory system is responsible for differentiation between sweet, sour, salty, bitter, and umami. It is darkly-colored in appearance and sweet and salty in taste.