Oge isi yabasị na Japan bụ site na Eprel ruo June. Mana n'afọ ndị na-adịbeghị anya, a na-akụ ya na mba niile ma dị n'afọ niile n'ihi na e nwere ọtụtụ ụdị mpaghara. Karịsịa, ọ bụ owuwe ihe ubi nke eyịm na-eto eto, nke a na-amata site na akpụkpọ anụ ha na ụtọ pụrụ iche, nke a na-egbute n'oge opupu ihe ubi site na April ruo May.
Nnyocha ndị ọkà mmụta sayensị Japan na-adịbeghị anya na-egosi na uru bara uru nke yabasị dị ukwuu karịa ka e chere na mbụ.
Eyịm nwere ihe na-ebelata ọbara - allyl sulfide (allicin). Ọ bụ n'ihi ya ka ọ na-ere ọkụ anya mgbe ọ na-egbutu yabasị na ọ na-ewukwa ilu n'ọnụ mgbe ọ na-eri ya. Allyl sulfide na-egbochi mkpụkọ ọbara site na ibelata ya. Ọ dị irè megide ọbara mgbali elu, atherosclerosis, infarction cerebral na infarction myocardial.
Ọzọkwa, eyịm na-egbochi mmụba nke ọkwa glucose ọbara, ya mere a na-atụ aro ya maka ndị nwere oke abụba na-anọpụ iche na cholesterol.
Eyịm nwere quercetin, ụdị polyphenol nke bụ pigmenti na akụkụ astringent nke eyịm. Ọ nwere ihe antioxidant - na-ewepụ oxygen na-arụ ọrụ. N'ihi mmetụta antioxidant, a na-egbochi ịka nká nke ahụ. Ọ na-enyekwa aka na mgbochi nke oyi na ọrịa oncological sitere na mbelata nke mgbochi.
Karịsịa, agba ọbara ọbara na-acha odo odo nwere anthocyanins, ụdị polyphenol nke nwere ihe ndị na-eme ka ahụ dị mma, na-ewusi arịa ọbara ike, na-egbochi ike ọgwụgwụ anya na ịka nká, na-ebelata ọbara mgbali na ọrịa metabolic, na-eme ka ọrụ imeju dịkwuo mma. A na-achọta otu pigmenti ahụ n'ọtụtụ buru ibu na ụdị nduku nwere anụ na-acha odo odo.
Na mgbakwunye, glutathione, nke bụ akụkụ nke yabasị, dị n'ụba na imeju na anya mmadụ, ya mere iri yabasị na-eme ka ọrụ imeju dịkwuo mma ma na-egbochi cataracts.
Allyl sulfide nwere mmetụta nje bacteria siri ike, ya mere ọ na-egbu nje bacteria. Ọ na-enyere aka ịnagide ụkwara ume ọkụ, oyi, flu na nsị nri. Ọ na-ewusi usoro ahụ ji alụso ọrịa ọgụ sie ike, ya mere ekwesịrị iji eyịm na-arụsi ọrụ ike mgbe ahụ adịghị ike.
Eyịm nwere ụdị eriri nri abụọ - eriri na-adịghị ike na nke soluble. O nwekwara oligosaccharides nke na-eme ka gburugburu eriri afọ dịkwuo mma. Quercetin na-enyere aka belata mmịnye abụba, na-eme ka yabasị bụrụ nri na-efunahụ ibu.
Potassium dị na eyịm na-enyere aka iwepu oke mmiri na nnu n'ime ahụ ma belata ọzịza. Ọ dịkwa irè n'ịkwụsị ike ọgwụgwụ mgbe ejiri vitamin B1, nke dị na anụ ezi, dịka ọmụmaatụ.