I-Soy, isityalo sonyaka esinokufikelela kwi-1,50 yeemitha ubude, sifana neembotyi eziluhlaza, ezineengcambu ezithweleyo izilimo eziyizigaxa ibizwa ngokuba yi "rhizobiums". Ukudubula kwawo kwenzeka ngasekupheleni kwentwasahlobo (iintyatyambo ezincinci ezimhlophe). Inkqubo ye- isiqu Iibhere zomthi zinamagqabi adityaniswe kathathu, yipod nganye inenkozo ezintathu ezityebileyo, ngokungathi kunjalo ii-ertyisi eziluhlaza.
Las imbewu Iimbotyi zesoya zityheli, ziluhlaza, okanye zibomvu. Sisityalo esisetyenziswa kakhulu emhlabeni njengezinto ezingafunekiyo: ekwenziweni kweoyile, ukwenza salsa iziqholo, ubisi, tofu, umgubo, iintsholongwane ezisetyenzisiweyo njengembotyi, ifidi iikhompawundi yezilwanyana.
La ubisi lwesoya Ifumaneka ngokucola, ukupheka nokucoca iimbotyi zesoya. Imhlophe ngombala, kwaye ihlala ithengiswa kwikhadibhodi okanye kwibhotile. Isetyenziselwa ukulungisa izibheno, kwaye iisosi. Ikhona ngohlobo lweedessert ezenziwe ngeemvumba kwaye zinembonakalo yeyogathi. Inkqubo ye- ubisi lwesoya sisiselo esingengobisi, esityebile kwiiproteni, ezisezantsi lipids kunye necalcium, kwaye ngaphandle cholesterol