1. Ngwa njirimara akwụkwọ nzacha mmanụ oriri:
• Nnukwu okpomọkụ na-eguzogide. Enwere ike tinye ya na mmanụ ogo 200 karịa ụbọchị iri na ise.
• Nwere akụkụ dị elu nke enweghị isi. Kpochapụ ihe adịghị ọcha na nkezi ihe efu karịrị micron 10. Mee ka mmanụ frying doo anya ma doo anya, ma mezuo ebumnuche nke nzacha ihe a kwụsịrị na mmanụ.
• Ọ nwere nnukwu ikuku ikuku, nke nwere ike ikwe ka ihe griiz na viscosity dị elu na-agafe nke ọma, na ọsọ filtration dị ngwa ngwa.
• Ike dị elu nke nkụ na mmiri: mgbe ike na-agbawa ruru 300KPa, ike ogologo ogologo na transverse bụ 90N na 75N n'otu n'otu.
2. Uru ngwa nke akwụkwọ nzacha mmanụ oriri:
• Nwere ike wepụ ihe ndị na-egbu egbu egbu egbu dị ka aflatoxin na mmanụ frying nke ọma.
• Nwere ike wepu isi na mmanụ frying.
• Nwere ike wepu acid fatty n'efu, peroxides, polymers molecular dị elu yana adịghị ọcha n'ime ájá kwụsịrị na mmanụ frying.
• Ọ nwere ike melite agba nke mmanụ frying nke ọma ma mee ka ọ nweta kristal doro anya agba nke mmanụ salad.
• Ọ nwere ike igbochi ọnọdụ oxidation mmanụ frying na mmeghachi omume rancidity, melite ogo mmanụ frying, meziwanye ịdị ọcha nke nri e ghere eghe, na ogologo ndụ nke nri e ghere eghe.
• Nwere ike iji mmanụ frying n'ụzọ zuru ezu n'okpuru ụkpụrụ nke ịgbaso ụkpụrụ ịdị ọcha nri, na-eweta uru akụ na ụba ka mma na ụlọ ọrụ. A na-eji ngwaahịa a n'ọtụtụ ebe n'ụdị ihe nzacha mmanụ frying dị iche iche
Ihe ndekọ ụlọ nyocha na-egosi na iji akwụkwọ nzacha mmanụ oriri na-ekere òkè dị ukwuu n'igbochi mmụba nke uru acid nke mmanụ frying, ma ọ dị oke mkpa maka imeziwanye gburugburu ebe a na-esi frying, ịkwalite àgwà ngwaahịa, na ịgbatị ndụ nchekwa ngwaahịa.