Rangarira ndima iri pasi apa uye ipapo pindura mubvunzo gare gare mumutauro mumwe chetewo sechikamu:  Kupfuura: Kusvikira kuma1900, yogati yaiva zvokudya zvevanhu muUmambo hweRussia (uye zvikurukuru Central Asia neCaucasus), Western Asia, South Eastern Europe/Balkans, Central Europe, uye Indian subcontinent. Stamen Grigorov (1878<unk>1945), mudzidzi wezvokurapa wokuBulgaria muGeneva, akatanga kuongorora microflora yeyogati yokuBulgaria. Muna 1905, akarondedzera kuti rakanga riine mabhakitiriya anogadzira lactic acid akafanana nespherical uye akafanana netsvimbo. Muna 1907, utachiona hwaiita seshamhu hwakapiwa zita rokuti Bacillus bulgaricus (zvino yava kunzi Lactobacillus delbrueckii subsp. bulgaricus). Mugamuchiri womubairo weNobel wokuRussia uye nyanzvi yezvinhu zvipenyu Ilya Mechnikov, anobva kuInstitut Pasteur muParis, akafurirwa nebasa raGrigorov uye akafungidzira kuti kudya yogati nguva dzose kwaiva nemhaka youpenyu hurefu husina kujairika hwevarimi vokuBulgaria. Achidavira kuti Lactobacillus inokosha kuti munhu ave noutano hwakanaka, Mechnikov akashanda kuti yogati ive zvokudya zvakakurumbira muEurope yose.  Mubvunzo: Stamen akawana chinhu chorudzii?
Bacillus bulgaricus