Arbutin
U-Arbutin (IPA: [ˌɑrˈbutɪn]), iglycoside ye hydroquinone ebukhishwe kwezityalo ezintsha zemithi yemithi yebearberry ekwakhelwe kwi genus Arctostaphylos, phakathi kwemithi yezemithi eziningi ezihlukene, ngokwesiko yeEricaceae njengokwazo. Kwihepha, iyokugqugquzela ityrosinase futhi ngalokho ibophelela indlela yokubumba kwe melanin. Njengendlela yokubumba umhlahlandlela wezomhlaba wokwehlukahluka, U-Arbutin kumele isetshenziselwe njengegalelo lokukhanya ikhambi. Kunenkathi encane kakhulu ye-Arbutin ekutholakalweni kwiwheat, pear izindezi, kanye nezinye izindawo zokudla eziningi. Kuyakhiwa kwenziwa futhi kwiViburnum opulus futhi kwiBergenia crassifolia.[1] Arbutin futhi wayenziwa ngezimo yokubomba iSchisandra chinensis.[2]
Ikhona izinyanga ezindala zasebudokotini, i-Bearberry, enazo i-Arbutin, ihlukene ngokuthi yisiza esizalwa nge urinary tract infection.[3]
Ikhambi lokukhanya ingozi
[hlela | Hlela umthombo]Ukucwala i-Bearberry kwisetshenziselwa ezamabhunu okukhanya ikhambi ezimelwe ukusetshenziswa kahle kanye nokuzungezileka okuphelele. Yisiza esetshenziselwa kakhulu ekhambi lokukhanya okusetshenziswayo, i-Arbutin ifaka inani elikhulu kunamathuluzi angama-300 μg/mL abo babolekwe ezimeleni zehuman melanocytes kubalulekile kakhulu i-tyrosinase nangokuvamile ithuluzi lomelanin ngaphandle kwamathizo alula yokuphila.[4]
Amaphutha
[hlela | Hlela umthombo]U-Arbutin ungu glucoside we hydroquinone,[5] futhi kungaba nezinqumo ezithile zeqhwa.[6]Template:Unreliable source? Kodwa kunezingxenye ezibeka ukuthi i-Arbutin iyathuthukisa inhlanhla yokugula.[7] I-German Institute of Food Research kwa Potsdam ibonisa ukuthi izinzululwazi ezindala zingakulungiswa ukuthi i-intestinal bacteria izingenelela i-Arbutin ingashintsha ihydroquinone, okuyisiphi isimo esiphezulu sikhuthazo sabantu abakhubazekile.[8]
Funda kabanzi
[hlela | Hlela umthombo]Izilimi
[hlela | Hlela umthombo]- ↑ Carmen Pop; Laurian Vlase; Mircea Tamas (2009). "Natural Resources Containing Arbutin. Determination of Arbutin in the Leaves of Bergenia crassifolia (L.) Fritsch. acclimated in Romania". Not. Bot. Hort. Agrobot. Cluj 37 (1): 129–132. Archived from the original on 2011-08-23. https://web.archive.org/web/20110823104032/http://notulaebotanicae.ro/nbha/article/viewFile/3108/2947. Retrieved 2023-05-22.
- ↑ "[Arbutin, salicin: the possibilities of their biotechnological production]". Ceska Slov Farm. 54 (2): 78–81. 2005. PMID 15895970.
- ↑ Garrett, J. T. (2003). The Cherokee Herbal: Native Plant Medicine from the Four Directions. Bear & Company. p. 209. ISBN 1879181967.
- ↑ Arbutin Archived May 27, 2010, at the Wayback Machine., Supporting Nomination for Toxicological Evaluation by the National Toxicology Program
- ↑ O'Donoghue, J L (September 2006). "Hydroquinone and its analogues in dermatology – a risk-benefit viewpoint". Journal of Cosmetic Dermatology 5 (3): 196–203. doi:10.1111/j.1473-2165.2006.00253.x. PMID 17177740. ""The potential toxicity of HQ (hydroquinone) is dependent on the route of exposure""
- ↑ Treatment of hyperpigmentation problems / skin lightening
- ↑ Bowman, Lee. July 25, 2005. Scripps Howard News Service. High yuck factor not necessarily good for us anymore Archived September 28, 2007, at the Wayback Machine.
- ↑ "Mutagenicity of arbutin in mammalian cells after activation by human intestinal bacteria". Food Chem. Toxicol. 44 (11): 1940–7. 2006. doi:10.1016/j.fct.2006.06.015. PMID 16904805.