Zvakatorwa kubva mumuti weThanaka wekuSoutheast Asia zvinogona kupa dzimwe nzira dzekudzivirira zuva, zvichienderana neongororo itsva yakaitwa nemasayendisiti ekuJalan Universiti kuMalaysia neLancaster University kuUK.
Vachinyora mumagazini yeCosmetics, masayendisiti aya anoti zvakatorwa kubva pamuti uyu zvave zvichishandiswa mukuchengetedza ganda kwenguva inodarika makore 2,000. "Zvinhu zvekudzivirira zuva zvakasikwa zvave zvichikwezva vanhu vakawanda senzira yekutsiva zvinhu zvekudzivirira zuva zvakagadzirwa nemakemikari ekugadzira akadai seoxybenzone izvo zvinogona kukonzera matambudziko ehutano nekukuvadza nharaunda," vakanyora kudaro vanyori.
Thanaka
Thanaka imuti unowanikwa kuSoutheast Asia uye unozivikanwawo seHesperethusa crenulata (syn. Naringi crenulata) uye Limonia acidissima L.
Nhasi uno, kune mhando dzakawanda muMalaysia, Myanmar, neThailand dzinogadzira zvigadzirwa zveThanaka "zvekushongedza", vakatsanangura vanyori, kusanganisira Thanaka Malaysia neBio Essence muMalaysia, Shwe Pyi Nann neTruly Thanaka kubva kuMyanmar, uye Suppaporn naDe Leaf vanobva kuThailand.
“Shwe Pyi Nann Co. Ltd. ndiyo kambani inotungamira mukugadzira nekutengesa kunze Thanaka kuThailand, Malaysia, Singapore nePhilippines,” vakawedzera kudaro.
"Vanhu vekuBurma vanoisa upfu hweThanaka paganda ravo zvakananga sezuva. Zvisinei, mavara eyero anosara padama haagamuchirwi zvakanyanya nedzimwe nyika kunze kweMyanmar," vakatsanangura vanyori. "Nekudaro, kuti vanhu vakawanda vabatsirwe nezuva rechisikigo, zvigadzirwa zveThanaka zvekuchengetedza ganda zvakaita sesipo, upfu hwakareruka, upfu hwefoundation, kukwesha face, body lotion uye kukwesha face zvinogadzirwa."
"Kuti ikwanise kugutsa zvinodiwa nevatengi uye nemusika, Thanaka yakagadzirwawo mukuchenesa, serum, moisturiser, kirimu yekurapa mapundu eganda uye kirimu yekupisa. Vagadziri vazhinji vanowedzera zvinhu zvinoshanda zvakaita semavhitamini, collagen uye hyaluronic acid kuti iwedzere synergic effect uye kupa kurapa kune zvirwere zvakasiyana-siyana zveganda."
Thanaka Kemistri uye basa rezvebhayoloji
Ongororo iyi inoenderera mberi ichitsanangura kuti zvakatorwa zvakagadzirwa uye zvakatsanangurwa kubva muzvikamu zvakasiyana-siyana zvemiti, kusanganisira bark remuti, mashizha, nemichero, pamwe chete nemaalkaloids, flavonoids, flavanones, tannins, uye coumarins zviri zvimwe zvezvinhu zvinoonekwa.
“… vanyori vazhinji vakashandisa zvinonyungudutsa zvakaita sehexane, chloroform, ethyl acetate, ethanol nemethanol,” vakadaro. “Saka, kushandiswa kwezvinonyungudutsa zvakasvibira (zvakaita seglycerol) mukubvisa zvinhu zvinoshandisa bioactive kungave imwe nzira yakanaka yekubvisa zvinonyungudutsa zvakasvibira mukubvisa zvigadzirwa zvechisikigo, kunyanya, mukugadzira zvigadzirwa zvekuchengetedza ganda.”
Zvinyorwa zvinoratidza kuti zvimwe zvinotorwa muThanaka zvinogona kupa mabhenefiti akasiyana-siyana pahutano, anosanganisira antioxidant, anti-aging, anti-inflammatory, anti-melanogenic uye anti-microbial properties.
Vaongorori vakati nekubatanidza sainzi iyi kuti iongororwe, vanotarisira kuti izvi "zvichashanda senzira yekuvandudza zvigadzirwa zvekuchengetedza ganda zvine Thanaka, kunyanya mafuta ekudzivirira zuva."
Nguva yekutumira: Nyamavhuvhu-19-2021