Zotsalira za mtengo wa Thanaka ku Southeast Asia zitha kupereka njira zina zachilengedwe zodzitetezera ku dzuwa, malinga ndi ndemanga yatsopano yochokera kwa asayansi ku Jalan Universiti ku Malaysia ndi Lancaster University ku UK.
Polemba mu magazini ya Cosmetics, asayansiwa akuti zotsalira za mtengowu zakhala zikugwiritsidwa ntchito posamalira khungu mwachikhalidwe polimbana ndi ukalamba, kuteteza dzuwa, komanso kuchiza ziphuphu kwa zaka zoposa 2,000. "Ma sunscreen achilengedwe akhala akukopa chidwi chachikulu ngati njira ina yoloŵa m'malo mwa zinthu zoteteza dzuwa zopangidwa pogwiritsa ntchito mankhwala opangidwa monga oxybenzone zomwe zingayambitse mavuto azaumoyo komanso kuwononga chilengedwe," analemba olemba ndemangawo.
Thanaka
Mtengo wa Thanaka umatanthauza mtengo wamba wa ku 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 “zokongoletsa”, anatero olemba ndemanga, kuphatikizapo 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. ndiye kampani yotsogola yopanga ndi kutumiza kunja Thanaka ku Thailand, Malaysia, Singapore ndi Philippines,” iwo anawonjezera.
“Anthu aku Burma amapaka ufa wa Thanaka pakhungu lawo mwachindunji ngati mafuta oteteza ku dzuwa. Komabe, mawanga achikasu omwe amatsala pa tsaya savomerezedwa ndi mayiko ena kupatula Myanmar,” anafotokoza owunikirawo. “Chifukwa chake, kuti anthu ambiri apindule ndi mafuta achilengedwe oteteza ku dzuwa, zinthu zosamalira khungu za Thanaka monga sopo, ufa wosasunthika, ufa wa maziko, scrub ya nkhope, mafuta odzola thupi ndi scrub ya nkhope zimapangidwa.
"Pofuna kukwaniritsa zosowa za ogula komanso msika, Thanaka imapangidwanso kukhala chotsukira, seramu, moisturizer, kirimu wochizira ziphuphu ndi kirimu wopaka. Opanga ambiri amawonjezera zosakaniza monga mavitamini, collagen ndi hyaluronic acid kuti awonjezere mphamvu ya synergic ndikupereka chithandizo ku matenda osiyanasiyana a khungu."
Thanaka Chemistry ndi ntchito zamoyo
Ndemangayi ikupitiliza kufotokoza kuti zotulutsa zakonzedwa ndikudziwika kuchokera ku ziwalo zosiyanasiyana za zomera, kuphatikizapo tsinde la mtengo, masamba, ndi zipatso, ndipo ma alkaloid, flavonoids, flavanones, tannins, ndi coumarins ndi zina mwa zinthu zomwe zimafotokozedwa.
“... olemba ambiri adagwiritsa ntchito zinthu zosungunulira zachilengedwe monga hexane, chloroform, ethyl acetate, ethanol ndi methanol,” adatero. “Chifukwa chake, kugwiritsa ntchito zinthu zosungunulira zobiriwira (monga glycerol) pochotsa zosakaniza zomwe zimakhala ndi moyo kungakhale njira yabwino m'malo mwa zinthu zosungunulira zachilengedwe pochotsa zinthu zachilengedwe, makamaka, popanga zinthu zosamalira khungu.”
Mabuku amafotokoza momveka bwino kuti zotulutsa zosiyanasiyana za Thanaka zingapereke ubwino wambiri pa thanzi, kuphatikizapo antioxidant, anti-aging, anti-inflammatory, anti-melanogenic ndi anti-microbial properties.
Owunikirawo anati posonkhanitsa sayansi kuti iwunikenso, akuyembekeza kuti izi "zigwira ntchito ngati chizindikiro cha chitukuko cha zinthu zosamalira khungu zomwe zili ndi Thanaka, makamaka mafuta oteteza ku dzuwa."
Nthawi yotumizira: Ogasiti-19-2021