Ia Fepuari 2023, na tuʻuina atu ai e le European Union Scientific Committee for Consumer Safety (SCCS) se manatu mulimuli i le saogalemu oα-arbutinmaβ-arbutini cosmetics, ma le aafiaga paʻepaʻe o le fetu elemene arbutin toe mafua ai popolega i le alamanuia.
O le a le arbutin?
Arbutin (Arbutin), e lauiloa foi o le arbutin, igoa vailaʻau 4-hydroxyphenyl-D-glucopyranoside, mole mole mamafa o le 272.25, o se glycoside masani mai laau lanu meamata, tele faʻamago faʻamago laau, e pei o saito, pea, rhododendraceae fua fua. i fofo, tioata aciculate paʻepaʻe poʻo le paʻu, Solu i le vai vevela, methanol, ethanol ma propylene glycol, propylene glycol, e le mafai ona faʻaaogaina i le eter, chloroform, petroleum ether ma isi solvents.
Arbutin e mafai ona vaevaeina i le ituaiga α ma le ituaiga β e tusa ai ma fausaga eseese. O le α-arbutin e ta'ua o le 4-hydroxyphenyl-α-D-glucopyranoside, ma le β-arbutin e ta'ua o le 4-hydroxyphenyl-β-D-glucopyranoside. O le Alpha-arbutin o se isomer ese'ese o le β-arbutin, ma o lona fa'amauina o le glucoside o lo'o fa'afeagai ma le va'aiga o le β-arbutin (silasila i le ata).
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Taimi meli: Feb-22-2024
