Muaj txaus Tshuag, zoo siab thiab sai dua xa khoom. Ntau kom muaj nuj nqis nrog ntau luv nqi.
Yuav tsum muaj ib qho tseev kom muaj, txais tos hu rau peb txhua lub sijhawm.
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Kev piav txog
Khoom npe: arbutin
CAS: 497-76-7
Mf: c12h16o7
MW: 272.25
Einecs: 207-850-3
Melting taw tes: 195-198 ° C
Alpha: -64 º (c = 3)
Bushing taw tes: 375.31 ° C (ntxhib kwv yees)
Ceev: 1.3582 (ntxhib kwv yees)
Refunt Index: -65,5 ° (C = 4, H2O)
Rhiab: hygroscopic
Merck: 14,773
BNN: 89673
Kev qhia tshwj xeeb
| Khoom npe | |
| Kev tshwm sim | Dawb crystalline hmoov |
| Kev coj dawb huv | 99% min |
| MW | 272.2.25 |
| MF | C12h16o7 |
Daim ntawv thov
1. Siv hauv cov tshuaj raws li diuretic, tso zis tawm los tiv thaiv kab mob, siv rau hauv cov tshuaj pleev xim rau ntxuav hniav tawv, quav ntsej muag, thiab lwm yam.
2. Lub glycosylated hydroquinone siv los kawm Melatonin Biosynthesis thiab raws li tus neeg tsis muaj neeg nyob rau hauv kev txheeb xyuas, paub qhov txawv thiab txheeb xyuas tyrosinase. Arbutin yog glycosylated hydroquinone extracted los ntawm beamberry cog. Arbutin yog tus paub tyrosinase inhibitor, uas nyeg tiv thaiv kev tsim ntawm melanin. Arbutin feem ntau siv los ua cov neeg ntxuav hniav dawb hauv cov tshuaj pleev ib ce.
3. Inhibit Melanocyte Tyrosinase kev ua si thiab inhibit melanin ntau lawm los ntawm inhibing melanin synthe.
Chaw ntim khoom
Ntim thiab khaws cia, muab tso rau hauv qhov cua, qhuav
Lub sij hawm Post: Lub Yim Hli 09-2022