Amababi yicyayi akenshi asemburwa hifashishijwe aImashini yicyayi, ariko icyayi cyijimye ni icya mikorobe idasanzwe ya fermentation, usibye reaction ya enzymatique yamababi ubwayo, mikorobe yo hanze nayo ifasha fermentation. Mu cyongereza, inzira yicyayi yumukara isobanurwa nka "okiside", ni ukuvuga okiside, mugihe icyayi cyijimye aricyo fermentation nyayo "ferment".

Gusembura ni inzira idasanzwe yo gutanga icyayi cyijimye. Mu cyayi cyijimye nyumaImashini izunguruka icyayi kugoreka, inzira yikirundo mubyukuri ni inzira ya fermentation, icyayi cyijimye ikirundo cyoroshye, kuminjagira amazi, icyayi cyijimye muriImashini itunganya icyayi cyiraburanyuma yurwego runaka rwubushuhe nubushyuhe, hagati yikirundo mugihe ubushyuhe bugeze kuri dogere selisiyusi 70, kugirango uhindure ikirundo kugirango ubushyuhe bube bumwe, kuburyo byagarutsweho inshuro nyinshi. Teza imbere uruhare rwa enzymes mucyayi, hamwe nibikorwa bya mikorobe, kugirango uhindure icyayi.

Iyo ibintu byose bimeze neza, mikorobe yonyine ya metabolisme, hamwe na enzymes zidasanzwe zirekura, zirashobora kumena ibyayi byinshi bya polifenol, polysaccharide, protopectin, terpène, proteyine, nibindi bintu biri mucyayi, bikavamo umwijima. icyayi impumuro nziza nuburyohe.

Usibye na fermentation ya Wadding, icyayi cyijimye gifite fermentation ya kabiri idasanzwe, izwi kandi nka post-fermentation, niyo porogaramu yica icyayi cyijimye.

Inzira yanyuma yicyayi cyijimye nuko amababi yicyayi akanda mumatafari cyangwa keke naImashini itanga icyayi kujya munzira ndende yicyayi. Muri uyu muhanda muremure, amababi yicyayi abikwa mubuhumekero, mubushuhe bumwe nubushyuhe bwubushyuhe, hanyuma nyuma yimyaka mike ya fermentation naturel, iyi nzira yitwa fermentation ya kabiri, izwi kandi nka fermentation.