Thaum ntxov li xyoo 1986, Suav cov kws tshawb fawb tau kawm txog kev nyab xeeb ntawm marigold extract rau qhov muag; kev sim tau lees paub tias cov hauv paus hauv paus marigold muaj ntau thiophene sib txuas, uas tuaj yeem ua rau khaus rau tib neeg daim tawv nqaij, tsim cov hlwv, thiab cuam tshuam rau kev noj qab haus huv!
Xyoo 2005, European Commission for Consumer Products Science, SCCP, ntseeg tias marigold lutein thiab cov roj yam tseem ceeb yog phototoxic. Txij li thaum tsis muaj lub hauv paus rau kev nyab xeeb ntau npaum li cas, nws tau pom zoo tias cov paj ntoo cog marigold thiab cov roj yam tseem ceeb yuav tsum tsis txhob siv hauv cov tshuaj pleev ib ce. Txog rau xyoo 2013, International Association of Flavors and Fragrances tau hloov kho cov ntaub ntawv cov ntaub ntawv ntawm cov tshuaj no, uas txiav txim siab qhov siab tshaj plaws tso cai ntawm marigold extract lutein thiab cov roj yam tseem ceeb los siv hauv cov tshuaj pleev ib ce 0.01%.
Yog li ntawd, xyoo 2015, European Union SCCS tau tshuaj xyuas qhov kev rho tawm thiab cov roj tseem ceeb ntawm cov nroj tsuag marigold. Qhov kev ntsuam xyuas no tsuas yog siv rau cov tshuaj tua kab mob.
European Union SCCS ntseeg tias: marigold thiab maidenhair extracts thiab cov roj tseem ceeb muaj kev nyab xeeb thaum qhov siab tshaj plaws tso cai yog 0.01% nyob hauv cov tshuaj pleev ib ce (tshwj tsis yog cov tshuaj pleev thaiv hnub), tab sis α-trithiophene muaj nyob hauv lawv yuav tsum tsis pub tshaj 0.35%.
Marigold thiab maidenhair extracts thiab cov roj yam tseem ceeb tsis tuaj yeem siv hauv cov tshuaj pleev thaiv hnub. Vim tias nyob rau hauv ultraviolet hluav taws xob, phototoxicity yuav nce!
Hauv xyoo 2016, SCCS tau taw qhia tias qhov siab tshaj plaws uas tau tso cai ntawm me me marigold, maidenhair extract thiab roj hauv cov tshuaj pleev ib ce yuav tsum tau teeb tsa ntawm 0.1%.
Hauv xyoo 2018, European Union tau lees paub cais marigold ua cov khoom txwv hauv cov tshuaj pleev ib ce! European Union Gazette tshaj tawm European Commission txoj cai hloov kho xyoo 2018/978, uas tau hloov kho tshiab Annexes II thiab III ntawm EU txoj cai tshuaj pleev ib ce, suav nrog cov paj ntoo marigold thiab cov roj paj hauv cov npe txwv tsis pub siv tshuaj, thiab cov paj me me thiab cov paj ntoo paj ntoo thiab paj roj. Cov npe tshuaj siv.
Txawm hais tias tsis muaj qhov xwm txheej ntawm daim tawv nqaij ua pob khaus tshwm los ntawm marigold paj extract/roj, EU tshawb fawb ntseeg tias α-tertthiophene yog phototoxic rau tib neeg.
Kev txwv tsis pub muaj cov ntaub ntawv tseem ceeb hauv peb lub tebchaws tuaj yeem tshem tawm kev nyab xeeb ntawm ib sab, thiab ntawm qhov tod tes, nws tuaj yeem ua tau zoo ib yam nrog cov txheej txheem txawv teb chaws, uas yog qhov tseem ceeb! Vim li cas nws thiaj li tsis txwv hauv zaub mov? Vim tias qhov txwv ntawm lutein hauv zaub mov yog ≤12mg/hnub, cov khoom tseem ceeb twb qis heev, thiab α-tertthiophene muaj kev nyab xeeb rau tus lej rau .30.35% ntawm nws cov khoom. Nws muaj kev nyab xeeb los siv ua zaub mov noj. Yuav tsis ua teeb meem kev nyab xeeb. Ntxiv mus, txoj kev tshawb fawb no tau tsom mus rau phototoxicity ntawm α-tertthiophene, uas ua ob npaug nws cov phototoxicity nyob rau hauv ultraviolet lub teeb thiab muaj peev xwm ua rau tawv nqaij, yog li nws siv tshuaj pleev ib ce raug txwv.
