he tried to reuse this dried foodstuff and succeeded in making new tokoroten jelly with less of the seaweed odor . これでトコロテンをつくったところ、前よりも美しく海藻臭さが無いものができた。
in 1685 , during the edo period (in the reign of shogun ietsuna tokugawa ), tarozaemon mino , a lord of the japanese-style inn " minoya ," located in what is now fushimi ward , kyoto prefecture , found that the tokoroten (gelidium jelly ), which he had once thrown outside of his house , had become a dried foodstuff after having frozen and melted repeatedly for several nights and days . 江戸時代（徳川家綱の時代）1685年に現在の京都府伏見区において、旅館『美濃屋』の主人・美濃太郎左衛門が戸外に捨てたところてんが凍結し、日中は融け、日を経た乾物を発見した。
