Lub cev puas tuaj yeem yog MR thiab VP zoo?
Lub cev puas tuaj yeem yog MR thiab VP zoo?

Video: Lub cev puas tuaj yeem yog MR thiab VP zoo?

Video: Lub cev puas tuaj yeem yog MR thiab VP zoo?
Video: Xov Xwm KUB CEEV HEEV 22/03/2022 Suav Koom Lav Xias Caum Tub Rog Nyiv Pooj Tua 2024, Lub Xya hli ntuj
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Enterobacter hafnia thiab Proteus mirabilis yog piv txwv ntawm kab mob uas yog ob leeg MR- thiab VP - zoo , txawm hais tias VP cov tshuaj tiv thaiv yuav raug ncua.

Ntxiv mus, MR VP xeem dab tsi txiav txim siab txog kab mob?

Nws yog tsim los rau kuaj kab mob muaj peev xwm ua tau cov kua qaub sib xyaw fermentation, uas kov yeej phosphate buffer hauv nruab nrab thiab txo qis pH.

Ib yam li ntawd, qhov kev xeem VP zoo txhais li cas? r/ lub VP yog a xeem siv los txheeb xyuas acetoin hauv kab lis kev cai kab mob. Cov xeem tau ua tiav los ntawm kev ntxiv alpha-naphthol thiab potassium hydroxide rau Voges-Proskauer broth uas tau txhaj tshuaj nrog cov kab mob. Ib cov xim liab liab qhia tias yog zoo tshwm sim, thaum xim daj-xim av qhia qhov tsis zoo.

Ib yam li ntawd, nws tau nug, lub cev puas tuaj yeem yog MR thiab VP tsis zoo?

Puas muaj kab mob ua tus fermenter thiab kuj yog ob leeg MR thiab V-P tsis zoo ? Yog, qee qhov fermenters ua tau tsim cov khoom nruab nrab ntau dua li tsis muaj acetone, xws li cawv.

Puas yog ib lub cev uas tsim nyog yuav tsum muaj qhov zoo hauv MR VP xeem?

Tsis yog, vim tias Kev ntsuam xyuas MRVP tsuas yog soj ntsuam cov khoom ntawm cov piam thaj fermentation.

Pom zoo: