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kansui Instant noodles, or instant ramen, is a type of food consisting of noodles sold in a precooked and dried block with flavoring powder and/or seasoning oil. The dried noodle block was originally created by flash-frying cooked noodles, and this is still the main method used in Asian countries; air-dried noodle blocks are favored in Western countries. Dried noodle blocks are designed to be cooked or soaked in boiling water before eating. Ramen, a Japanese adaptation of Chinese noodle soup, is sometimes used as a descriptor for instant noodle flavors by some Japanese manufacturers. It has become synonymous in the United States with all instant noodle products. Instant noodles were invented by Momofuku Ando of Nissin Foods in Japan. They were launched in 1958 under the brand name Chikin Ramen. In 1971, Nissin introduced Cup Noodles, the first cup noodle product. Instant noodles are marketed worldwide under many brand names. The main ingredients in instant noodles are flour, starch, water, salt and/or kansui (かん水), a type of alkaline mineral water containing sodium carbonate and usually potassium carbonate, and sometimes a small amount of phosphoric acid. Common ingredients in the flavoring powder are salt, monosodium glutamate, seasoning, and sugar. The flavoring is usually in a separate packet, although in the case of cup noodles, it is often loose in the cup. Some instant noodle products are seal-packed; these can be reheated or eaten straight from the packet or container.