Hauv cov nroj tsuag, catechol oxidase plays lub luag haujlwm tseem ceeb hauv enzymatic browning los ntawm catalyzing oxidation ntawm catechol rau o-quinone nyob rau hauv lub xub ntiag ntawm oxygen, uas muaj peev xwm sai polymerize los tsim lub melanin uas muab cov txiv hmab txiv ntoo puas lawv cov xim xim av tsaus. …
Dab tsi yog qhov substrate rau catechol oxidase?
Catechol oxidase oxidizes o-diphenols li catechol thiab lub ntuj substrate caffeic acid. Methylation ntawm ib qho ntawm ob pawg hydroxy kuj ua rau tsis muaj kev cuam tshuam ntawm cov substrate nrog cov enzyme.
YYuav ua li cas enzyme yog catechol oxidase?
Catechol oxidases (COs) yog ubiquitous hom 3 dicopper enzymes uas catalyze oxidation ntawm ntau yam ntawm o-diphenols rau o-quinones.
Qhov twg ntawm qhov ntsuas kub hauv qab no yog qhov zoo tshaj plaws rau catechol oxidase muaj nuj nqi?
Qhov kub zoo tshaj plaws ntawm 15 txog 40 °C, nyob ntawm tib yam li pH.
Catechol oxidation yog dab tsi?
Thaum lub sijhawm cov enzymic oxidation ntawm catechol, kwv yees li ob lub atom ntawm oxygen tau coj mus rau txhua lub molecule ntawm catechol, hos tsuas yog ib lub atom yuav tsum tau oxidation mus rau theem o-quinone.. … Tias cov polyphenol uas ua tau zoo ib yam nrog catechol tsis tuaj yeem coj raws li tsim.
