Chifukwa choti chakudya chophika chili munjira yozizira, njira yosinthira kutentha imachitika kuchokera pansi, kotero mawonekedwe a chakudya sichidzawonongedwa kwa kutentha kwambiri, ndipo chakudya chozizira chidzakhala chatsopano komanso chopota. Pambuyo pa nthawi yozizira isanakwane kutentha kochepa, bokosi la vacuum la ozizira limatulutsidwa kuti alowetse njira yotsatira: Chuma Chuma.
Chakudya chophika chisanakhale ndi zida zabwino kwambiri zokhala ndi chakudya chamafuta kwambiri (monga zokutira zophika, zopangidwa ndi msuzi, msuzi) kuti muchepetse mabakiteriya, komanso kuchotsa bwino mabakiteriya oyipa.