2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Arbutin, ib qho tshuaj ntawm hydroquinone, yog ib yam khoom ntuj tsim thiab txo lossis inhibits melanin synthesis los ntawm inhibiting tyrosinase.
YPuas azelaic acid inhibit tyrosinase?
Downie hais tias azelaic acid kuj yog tyrosinase inhibitor, txhais tau tias nws tuaj yeem tiv thaiv hyperpigmentation vim nws cuam tshuam rau melanin ntau lawm. Nws yog anti-inflammatory rau pob txuv thiab nws yog anti-pigment vim nws blocks tyrosinase.
Cov khoom lag luam twg yog tyrosinase inhibitors?
Ntau tyrosinase inhibitors, xws li hydroquinone 23, 24,25,26, kojic acid20, azelaic acid 27, 28, electron-nplua nuj phenols29 thiab arbutin tau raug sim hauv cov kws tshuaj thiab tshuaj pleev ib ce rau lawv lub peev xwm tiv thaiv kev tsim tawm ntau dhau ntawm melanin 30,31.
Yuav ua li cas koj nres tyrosinase ntau lawm?
Chang (2009) tau tham txog ntau txoj hauv kev kom ua tiav cov haujlwm tiv thaiv tyrosinase. Nws tuaj yeem ua tau los ntawm txo cov neeg ua haujlwm xws li ascorbic acid, uas tuaj yeem txo o-dopaquinone rau dopa lossis los ntawm o-dopaquinone scavenger xws li thio-muaj cov tshuaj, uas tuaj yeem hnov mob nrog dopaquinone. tsim cov khoom tsis muaj xim.
Dab tsi yog qhov zoo tshaj plaws tyrosinase inhibitors?
YTyrosinase Inhibitors
- Hydroquinone - Muaj zog Tyrosinase Inhibitors.…
- Y Kojic Acid - lub ntuj siv lead ua zoo li cov khoom siv uas yog siv cov khoom siv tawv nqaij dawb. …
- Arbutin - glycosylated daim ntawv ntawm Hydroquinone tab sis maj mam, pom muaj nyob hauv Bearberry, Ntawv Mulberry, Blueberry thiab Cranberry.
Pom zoo:
Dab tsi yog fading thiab hom fading?
Flat Fading: Nyob rau hauv tiaj tus fading, tag nrho cov zaus feem cuam tshuam yuav luag sib npaug. Flat multipath fading ua rau lub amplitude hloov mus rau lub sijhawm. Selective Fading: Selective Fading lossis Selective Frequency Fading yog hais txog ntau txoj kev fading thaum xaiv qhov zaus ntawm lub teeb liab cuam tshuam.
Puas yog botulinum toxin inhibits kev tso tawm ntawm acetylcholinesterase?
Botulinum toxin A inhibits acetylcholine tso los ntawm kab lis kev cai neurons hauv vitro. Hauv Vitro Cell Dev Biol Anim. botulinum toxin cuam tshuam li cas rau acetylcholine? Intramuscular tswj hwm ntawm botulinum toxin ua nyob rau ntawm lub neuromuscular hlws ris ua rau muscle tuag tes tuag taw los ntawm inhibiting tso tawm ntawm acetylcholine los ntawm presynaptic motor neurons.
Malonate inhibits succinate dehydrogenase li cas?
Malonate yog kev sib tw inhibitor ntawm enzyme succinate dehydrogenase: malonate khi rau qhov chaw nquag ntawm cov enzyme yam tsis muaj kev cuam tshuam, thiab yog li sib tw nrog succinate, ib txwm muaj substrate ntawm enzyme. … Cov tshuaj malonate decreases cellular respiration.
Cov tshuaj twg inhibits cov metabolism ntawm chlordiazepoxide?
Cimetidine tau pom tias inhibit lub siab microsomal metabolism ntawm benzodiazepines diazepam thiab chlordiazepoxide, ua rau muaj kev nce hauv ib nrab-lub neej thiab txo qhov kev tshem tawm ntawm ob cov tshuaj no. Cov tshuaj twg cuam tshuam nrog chlordiazepoxide?
Qhov twg ua rau cov xim fading?
Ultraviolet rays yog ib qho ua rau fading vim tias lawv tuaj yeem rhuav tshem cov tshuaj lom neeg thiab ua kom cov xim ploj hauv ib yam khoom. Lwm qhov tseem ceeb pab rau fading muaj xws li pom lub teeb thiab hnub ci tshav kub. Qee yam khoom yuav ua rau cov tshuaj bleaching no ntau dua, xws li dyed textiles thiab watercolors.
