Yada ko'ina a ƙarƙashin wasu yanayin zafin jiki da yanayin zafi don haɓaka haɓaka aikin sabbin enzymes na ganye, matsakaicin canjin jiki da sinadarai a cikin abinda ke ciki, da sakin wani ɓangaren ruwa, yana haifar da mai tushe da ganye zuwa bushewa, launin duhu kore ne, kuma iskar gas ya ɓace.
Yada sabbin ganyen da aka tsince bisa wani kauri kuma a bushe su don sanya sabbin ganyen ya zama bushewa.A lokacin aikin bushewa, sabbin ganye suna yin sauye-sauye iri-iri: ruwa yana raguwa, ganyen ya zama taushi da karye, wanda ke da sauƙin jujjuya shi cikin tube;Ayyukan enzymes da ke cikin ganyayyaki suna ƙaruwa, wanda ke inganta sitaci, furotin, pro-pectin maras soluble da sauran sabbin ganye Abubuwan da aka lalata sun lalace kuma sun canza su don samar da glucose, amino acid, pectin mai soluble da sauran abubuwa masu tasiri waɗanda ke da amfani ga inganci. na shayi.Polyphenols kuma suna oxidized zuwa digiri daban-daban.Tare da bushewar al'ada kuma mai tasiri, iska mai ciyawa na sabbin ganye ta bushe don samar da ƙamshi mai ƙamshi, kuma akwai ƙamshi na 'ya'yan itace ko na fure, kuma shayi yana da ɗanɗano mai ɗanɗano ba tare da ɗaci ba.