Kodi Arbutin ndi chiyani?

Arbutin ndi mankhwala achilengedwe omwe amapezeka m'zomera zosiyanasiyana, makamaka mu chomera cha bearberry (Arctostaphylos uva-ursi), cranberries, blueberries, ndi mapeyala. Ndi m'gulu la mankhwala omwe amadziwika kuti glycosides. Mitundu iwiri ikuluikulu ya arbutin ndi alpha-arbutin ndi beta-arbutin.

Arbutin imadziwika ndi mphamvu zake zowunikira khungu, chifukwa imaletsa ntchito ya tyrosinase, enzyme yomwe imagwira ntchito popanga melanin. Melanin ndiye utoto womwe umayambitsa mtundu wa khungu, tsitsi, ndi maso. Mwa kuletsa tyrosinase, arbutin imathandiza kuchepetsa kupanga melanin, zomwe zimapangitsa kuti khungu likhale lopepuka.

Chifukwa cha mphamvu zake zowunikira khungu, arbutin ndi chinthu chofala kwambiri mu zodzoladzola ndi zosamalira khungu. Nthawi zambiri imagwiritsidwa ntchito popanga mankhwala opangidwa kuti athetse mavuto monga hyperpigmentation, mawanga akuda, ndi mawonekedwe osafanana a khungu. Amaonedwa ngati njira ina yofewa m'malo mwa mankhwala ena owunikira khungu, monga hydroquinone, omwe amatha kukhala oopsa kwambiri pakhungu.

Ndikofunika kudziwa kuti ngakhale kuti arbutin nthawi zambiri imaonedwa kuti ndi yotetezeka kugwiritsidwa ntchito pakhungu, anthu omwe ali ndi khungu lofooka kapena ziwengo ayenera kusamala ndikuchita mayeso a patch asanagwiritse ntchito mankhwala okhala ndi arbutin. Monga momwe zimakhalira ndi zosakaniza zina zilizonse zosamalira khungu, ndibwino kufunsa dokotala wa khungu kapena katswiri wa zaumoyo kuti akupatseni upangiri wanu.