Dab tsi yog marigold extracts?
The marigold extract mainly contains lutein and zeaxanthin. Lutein, also known as "phytolutein", coexists with zeaxanthin in nature. Lutein and zeaxanthin are the main components of plant pigments such as corn, vegetables, fruits, and flowers, and are also the main pigments that constitute the macular region of the human eye.
Hauv qhov xwm txheej, lutein pom muaj nyob hauv cov zaub ntsuab ntsuab xws li kale, kale, spinach, thiab paj xws li calendula thiab marigold. Tib neeg ob lub qhov muag muaj ntau cov lutein thiab zeaxanthin, tab sis ob lub ntsiab lus no tsis tuaj yeem tsim los ntawm tib neeg lub cev thiab yuav tsum tau ntxiv los ntawm cov khoom noj uas muaj lutein thiab zeaxanthin. Yog tsis muaj ob lub ntsiab lus no, lub qhov muag yuav dig muag. Extracts tau los ntawm marigold paj muab ib tug nplua nuj qhov chaw rau no tshuaj pab.
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Lutein yog dab tsi?
Lutein, muaj nyob rau hauv qee cov zaub, txiv hmab txiv ntoo, thiab qe qe, yog ib qho khoom noj uas muaj ntau yam txiaj ntsig. Nws yog ib tug tswv cuab ntawm tsev neeg carotenoid. Carotenoids yog ib chav kawm ntawm cov tshuaj muaj feem xyuam rau vitamin A. Beta-carotene yog paub zoo tias yog ib tug precursor ntawm vitamin A, tab sis muaj txog 600 lwm cov tebchaw nyob rau hauv tsev neeg no yuav tsum to taub. Lawv muaj ntau ntxiv rau lutein, xws li alpha-carotene, lycopene, zeaxanthin, thiab beta-zeaxanthin.
Dab tsi yog cov txiaj ntsig ntawm marigold extract?
Marigold extract Lutein thiab lwm yam carotenoids ntseeg tau tias muaj cov khoom antioxidant. Antioxidants tiv thaiv cov hlwb los ntawm kev puas tsuaj los ntawm cov dawb radicals, ib qho kev puas tsuaj byproduct ntawm ib txwm metabolism. Dawb radicals nyob rau hauv lub cev nyiag lwm cov molecules ntawm electrons thiab puas hlwb thiab noob nyob rau hauv ib tug txheej txheem hu ua oxidation.
Kev tshawb fawb ua los ntawm Kev Tshawb Fawb Kev Ua Liaj Ua Teb ntawm Tebchaws Meskas Lub Tsev Haujlwm Saib Xyuas Kev Ua Liaj Ua Teb (USDA) qhia tias lutein tiv thaiv cov dawb radicals zoo li vitamin E, muaj zog antioxidant. Nyob rau hauv lub retina thiab lo ntsiab muag, lutein tiv thaiv tsis pom kev los ntawm neutralizing dawb radicals thiab nce pigment ntom. Lutein kuj tseem muaj cov nyhuv shading tiv thaiv kev puas tsuaj glare.