Na-eweta ịtụ gị ike nri, ị nwere ike ghara ichefu banyere kalori oriri, ha arọ, ruru nke protein, abụba, na carbohydrates, na dịkwuo ego nke eriri. Ihe niile dị ka a ga-aza ajụjụ. Mana enwere ihe ọzọ nwere ike imetụta usoro ịbelata ibu gị na ahụike dị mma bụ ndepụta glycemic nke nri.
Ndekọ glycemic bụ ihe na-ekpebi etu shuga ọbara si abawanye mgbe ị risịrị ngwaahịa ahụ. N'ihi ya, ị nwere ike iji ndepụta glycemic chọpụta etu esi eri nri gị ngwa ngwa metabolized, ọ bụ na ọ gaghị abụ ihe mgbochi ịlalata ibu ma nwee mmanụ zuru oke ruo mgbe nri ọzọ.
N'ịdị ala glycemic index, ka ngwaahịa ahụ dị mma, ngwa ngwa ọ ga-adaba na ya, ọ ga-abụkwa na ọ na-aga n'úkwù karịa sentimita asatọ. Ma isi ozi ọma bụ na ndepụta glycemic eburularị n'uche paramita dị ka ọdịnaya eriri na nha PFC. Ngwaahịa ndị nwere ndepụta kachasị ala nwere ọtụtụ eriri na protein, abụba, carbohydrates bụ oke ziri ezi.
Iji gbakọọ glycemic index n'onwe ya adịghịkwa mkpa - ndị na-eri nri na-ekewa n'ime ụdị 3: GI dị ala (10 ruo 40), na nkezi GI (40-70), na GI dị elu (> 70). Enwere ike iri ngwaahịa nke ụdị nke mbụ kwa ụbọchị n'ụdị ọ bụla, otu nke abụọ kwesịrị ịdị oke, yana nke atọ naanị mgbe ụfọdụ ka ịtinye na menu gị.
Nri nwere obere GI: osikapa agba aja aja, letus, elu, karọt, beets, mushrooms, soybeans, peas green, olive, cucumbers, zukini, ahụekere, lentil, agwa, eyịm, asparagus, kabeeji, chili, broccoli, eggplant, celery, ginger, cherry, Mandarin, oroma, apricot, aki oyibo, mkpụrụ vaịn, yist, mmiri ara ehi.
Ngwaahịa nwere nkezi GI: osikapa ogologo, oatmeal, pasta, achịcha ọka wit dum, ntụ ọka ọka, poteto, pizza, sushi, biscuits, chocolate gbara ọchịchịrị, marmalade, egusi, painiapulu, persimmons, mịrị amị, ice cream, Mayonezi, akwụkwọ nri mkpọ.
Nri nwere nnukwu GI: osikapa ọcha, millet, semolina, pearl barley, sweet soda, hamburgers, biscuits, white bread, pastries, sugar, ibe, poteto e ghere eghe, ọka flakes, mmiri ara ehi chocolate, chocolate mmanya, waffles, ọka, biya, popcorn, anyụ, ugu, fig, starch.