Lotus root starch, abinci mai gina jiki na gargajiya, an cinye shi a China shekaru dubbai. Asalinsa ana iya samo shi tun daga Daular Tang. Bisa ga "Compendium na Materia Medica for Dietary Therapy," an riga an nisa tushen magarya a cikin foda don amfani. Ta hanyar daular Song, tare da ci gaban fasahar noma da yaduwar tushen magarya, tushen magarya a hankali ya samo asali daga maganin jama'a zuwa harajin sarauta. "Dongjing Menggualu" ya ƙunshi cikakkun bayanai game da miya na sitaci na magarya da ake sayar da su a gidajen shayi a Bianliang, wanda ke nuna shahararsa a lokacin daular Song ta Arewa.
Daular Ming da Qing sun kasance lokuta masu mahimmanci don haɓaka sarrafa sitaci na magarya. A cikin daular Ming, Li Shizhen bisa tsari ya rubuta fa'idodin magani na tushen magarya a cikin "Compendium of Materia Medica," yana bayyana shi a matsayin "ƙararfafa jiki da ciyar da ruhi, ƙara kuzari da ƙarfi, da kuma warkar da dukkan cututtuka." Wuraren dafa abinci na daular Qing sun ci gaba da samar da tushen sitaci na magarya zuwa iyakarsa, suna haɓaka dabarar "tushe uku da bushewa" na gargajiya, suna samun kristal{4} bayyananne, mai sauƙin narkewa. Saboda yawan tushen magarya, Suzhou, Hangzhou, da sauran yankuna sannu a hankali sun haɓaka makarantu na musamman na samar da sitaci na magarya. An ma jera tushen sitacin magarya na Kogin Yamma a matsayin haraji a lokacin mulkin Qianlong.
Samar da tushen sitaci na gargajiya na magarya yana buƙatar sama da matakai goma, gami da zaɓin tushen magarya, juyewa, daidaitawa, da iska. Ana yin sitaci mai inganci{1} daga tsohuwar tushen magarya da aka girbe kusa da lokacin sanyi. Bayan an jika a cikin ruwa mai tsafta don cire astringency, ana niƙa shi akai-akai ta amfani da injin niƙa don samun ɓangaren litattafan almara, wanda sai a tace shi kuma a daidaita sau da yawa don samun sitaci mafi kyawun magarya. Wannan tsohuwar hanyar tana haɓaka adana ma'adanai irin su baƙin ƙarfe da calcium, da kuma sinadarai masu aiki irin su mucin, waɗanda ke cikin tushen magarya. A zamanin yau, ci gaban fasahar masana'antar abinci ya haifar da fitowar sabbin samfura irin su tushen sitaci na magarya nan take, amma sitaci tushen tushen magarya na gargajiya na hannu yana ci gaba da mutuntawa sosai saboda kyawun sa.
A matsayin wani muhimmin bangare na al'adun dafa abinci na kasar Sin, tushen magarya ba wai kawai ya kunshi hikimomin aikin gona na garuruwan ruwa na Jiangnan ba, har ma yana kunshe da falsafar kasar Sin ta kiyaye lafiya, tana mai da hankali kan tushen magani da abinci tare. A yau, wannan abinci na gargajiya ya bazu zuwa kudu maso gabashin Asiya, Turai, da Amurka, ya zama babbar alama ta al'adun dafa abinci na kasar Sin. A cikin rayuwar zamani mai saurin tafiya -, tushen sitaci na magarya yana ci gaba da ciyar da lafiyar mutane da ɗanɗanon rayuwa tare da ingantaccen kayan abinci mai gina jiki da ingantaccen al'adun gargajiya.
