Zomwe zachokera kumtengo wakumwera chakum'mawa kwa Asia Thanaka atha kupereka njira zina zachilengedwe zodzitetezera ku dzuwa, malinga ndi kafukufuku watsopano wasayansi ku Jalan Universiti ku Malaysia ndi Lancaster University ku UK.
Polemba m’magazini yotchedwa Cosmetics, asayansiwo ananena kuti kwa zaka zoposa 2,000, zinthu zochokera mumtengowo zakhala zikugwiritsidwa ntchito posamalira khungu pofuna kuletsa kukalamba, kuteteza dzuwa, ndiponso kuchiza ziphuphu. "Mafuta achilengedwe a dzuwa akopa chidwi chachikulu monga choloweza m'malo mwa zinthu zoteteza dzuwa zopangidwa ndi mankhwala opangidwa ndi oxybenzone omwe angayambitse mavuto azaumoyo komanso kuwonongeka kwa chilengedwe," adalemba owunikirawo.
Thanaka
Thanaka amatanthauza mtengo wamba waku Southeast Asia ndipo umadziwikanso kuti Hesperethusa crenulata (syn. Naringi crenulata) ndi Limonia acidissima L.
Masiku ano, pali mitundu yambiri ku Malaysia, Myanmar, ndi Thailand yomwe imapanga zinthu za Thanaka "cosmeceutical", owunikirawo adafotokoza, kuphatikiza Thanaka Malaysia ndi Bio Essence ku Malaysia, Shwe Pyi Nann ndi Truly Thanaka ochokera ku Myanmar, ndi Suppaporn ndi De Leaf ochokera ku Thailand. .
"Shwe Pyi Nann Co. Ltd. ndi omwe amapanga ndi kutumiza kunja kwa Thanaka ku Thailand, Malaysia, Singapore ndi Philippines," anawonjezera.
"Abama amapaka ufa wa Thanaka pakhungu lawo ngati zoteteza ku dzuwa. Komabe, zigamba zachikasu zomwe zimasiyidwa pamasaya sizivomerezedwa kwambiri ndi mayiko ena kupatula Myanmar,” adatero owunikawo. Chifukwa chake, kuti apindule ndi anthu ambiri okhala ndi mafuta oteteza ku dzuwa, zinthu zopangidwa ndi Thanaka zosamalira khungu monga sopo, ufa wosalala, ufa woyambira, zotsuka kumaso, mafuta odzola ndi zotsuka kumaso zimapangidwa.
"Kuti akwaniritse ogula komanso kufunikira kwa msika, Thanaka amapangidwanso kukhala oyeretsa, seramu, moisturiser, zonona zochizira ziphuphu zakumaso ndi zonona zonona. Ambiri mwa opanga amawonjezera zosakaniza monga mavitamini, kolajeni ndi asidi hyaluronic kuti awonjezere mphamvu ya synergic ndikupereka chithandizo kumitundu yosiyanasiyana ya khungu.
Thanaka Chemistry ndi biological zochitika
Ndemangayi ikupitiriza kufotokoza kuti zowonjezera zakonzedwa ndikudziwika kuchokera kumagulu osiyanasiyana a zomera, kuphatikizapo makungwa a tsinde, masamba, ndi zipatso, ndi alkaloids, flavonoids, flavanones, tannins, ndi coumarins kukhala ena mwa bioactives omwe amadziwika.
"... olemba ambiri adagwiritsa ntchito zosungunulira za organic monga hexane, chloroform, ethyl acetate, ethanol ndi methanol," adatero. "Chotero, kugwiritsa ntchito zosungunulira zobiriwira (monga glycerol) pochotsa zosakaniza za bioactive zitha kukhala njira yabwino yopangira zosungunulira zachilengedwe pochotsa zinthu zachilengedwe, makamaka popanga zinthu zosamalira khungu."
Zolemba zamabuku zomwe zotulutsa zosiyanasiyana za Thanaka zitha kupereka zabwino zambiri zaumoyo, kuphatikiza antioxidant, anti-ageing, anti-inflammatory, anti-melanogenic and anti-microbial properties.
Owunikirawo adati pobweretsa sayansiyi kuti iwunikenso, akuyembekeza kuti "zikhala ngati chiwongolero chakupanga zinthu zosamalira khungu zomwe zili ndi Thanaka, makamaka zoteteza ku dzuwa."
Nthawi yotumiza: Aug-19-2021