Proanthocyanidins yog amazing heev
Koj puas tau pom tias cov xim av xeb yuav tshwm sim sai sai tom qab cov kua tau txiav, cov hlau yuav xeb maj mam tom qab cua thiab los nag, thiab cov yeeb nkab roj hmab yuav nyuaj thiab nkig tom qab ib xyoos lossis ob xyoos, qhov tseeb, cov xwm txheej no tuaj yeem ua tau. piav los ntawm ib lo lus: oxidation. Koj puas tau pom tias thaum peb laus zuj zus, peb cov tawv nqaij tawv dua thiab ntau dua? Peb concentration thiab nco poob; Peb cov ntshav siab pib nce siab thiab peb cov hlab ntsha ua kom nruj thiab nqaim; Cov pob qij txha tsis yooj yim dua thiab qee zaus mob, thiab peb pib ua neej nyob nrog kev noj qab haus huv ntawm ib hom lossis lwm yam ...
Ntau thiab ntau cov kev tshawb fawb tau taw qhia tias kev laus yog tshwm sim los ntawm kev tawm tsam ntawm cov dawb radicals ntawm cov hlwb thiab ntau oxidation, xws li cov dawb radical txoj kev xav tau los ntawm kws tshawb fawb Denham Harman. Feem ntau, lub cev muaj cov txheej txheem kom ruaj khov thiab tshem tawm cov dawb radicals ntau dhau. Tab sis qhov peev xwm sib npaug no yuav tsis muaj zog thaum tib neeg muaj hnub nyoog thiab hloov lawv txoj cai. Thaum cov dawb radicals yog overproduced los yog lawv cov scavenging zog txo, kev laus, qog thiab ntau yam kab mob degenerative yuav tshwm sim. Txawm li cas los xij, proanthocyanidins tuaj yeem siv los txhawb lawv cov txiaj ntsig tseem ceeb antioxidant hauv kev noj zaub mov, tshuaj thiab kev kho mob.
Proanthocyanidins yog cov ntsiab lus dav dav rau cov chav kawm loj ntawm polyphenolic tebchaw dav dav hauv cov nroj tsuag, uas muaj zog antioxidant zog thiab tiv thaiv lipids los ntawm peroxidation puas. Tej zaum nws yuav hais tias cov nyhuv antioxidant ntawm lycopene thiab astaxanthin muaj zog dua li ntawm proanthocyanidins. Yog lawm, qhov sib txawv yog tias thawj ob yog cov khoom muaj roj-soluble, thiab lawv xav tau roj los pab lawv ua haujlwm. Nws yog tsim nyog hais tias cov ntsiab lus ntawm proanthocyanidins yog siab tshaj plaws nyob rau hauv cov tub ntxhais hluas pulp thiab mature tev ntawm txiv apples.
Cov proanthocyanidins muaj nyob rau hauvKua polyphenolslos ntawmAPPCHEM (BON)Nws tuaj yeem cuam tshuam kev ua haujlwm ntawm tyrosinase thiab tsim ntawm melanin, thiab ua lub luag haujlwm hauv cov tawv nqaij dawb. Proanthocyanidins tuaj yeem tiv thaiv kev tsis haum tshuaj los ntawm nitrochlorobenzene thiab lwm yam kev ua xua kom tsis txhob tshwm sim thiab kev loj hlob ntawm kev tsis haum tshuaj. Tsis tas li ntawd, nws tseem tuaj yeem txhim kho lwm cov tsos mob tshwm sim los ntawm kev tsis haum tshuaj thiab muaj kev tiv thaiv kev ua xua.