Carotenoids

Cov txheej txheem:

Video: Carotenoids

Video: Carotenoids
Video: Carotenoids: Natural compounds key for life on Earth 2024, Kaum ib hlis
Carotenoids
Carotenoids
Anonim

Carotenoids sawv cev ntawm ib pawg uas nquag tshwm sim muaj cov xim ntau. Cov tebchaw no feem ntau ua lub luag haujlwm liab, daj thiab txiv kab ntxwv ntawm cov txiv hmab txiv ntoo thiab zaub, tab sis lawv kuj muaj nyob hauv ntau cov zaub ntsuab. Cov carotenoids uas paub zoo tshaj plaws yog beta carotene, alpha carotene, gamma carotene, lycopene, lutein, beta cryptoxanthin, zeaxanthin thiab astaxanthin.

Qee cov tswv cuab ntawm cov tsev neeg carotenoid, kwv yees li 50 ntawm paub 600 carotenoids, hu ua provitamin A sib txuas vim tias lub cev tuaj yeem hloov lawv mus rau retinol, daim ntawv nquag ntawm vitamin A. Yog li ntawd, cov zaub mov uas muaj carotenoids tuaj yeem pab tiv thaiv vitamin A Cov khoom noj uas neeg nquag siv ntau Ib hom carotenoids yog beta carotene, alpha carotene, thiab beta cryptoxanthin.

Kev ua haujlwm ntawm carotenoids

Carotenoids yog cov tebchaw uas pab tua qog noj ntshav thiab siv los tiv thaiv kev laus. Lawv yog lub zog antioxidant, tiv thaiv lub cev lub cev los ntawm kev puas tsuaj los ntawm cov dawb radicals. Carotenoids thiab tshwj xeeb hauv beta carotene tseem tuaj yeem txhim kho lub cev ua haujlwm ntawm lub zog tiv thaiv kab mob.

Carotenoids txhawb txoj kev sib txuas lus ntawm cellular zoo - cov kws tshawb nrhiav ntseeg tau hais tias kev sib txuas lus tsis zoo ntawm cov hlwb yuav yog ib qho ua kom muaj kev loj hlob ntawm tes ntau ntxiv - ib qho mob uas tom qab ntawd ua rau mob cancer. Los ntawm txhawb kev sib txuas lus zoo ntawm cov hlwb, carotenoids ua si lub luag haujlwm tseem ceeb hauv kev tiv thaiv mob qog noj ntshav. Carotenoids kuj tseem txhawb nqa poj niam kev noj qab haus huv.

Kev noj zaub mov kom tsawg carotenoids nws tsis paub meej tias yuav ua rau mob lossis kis mob, tsawg kawg hauv lub sijhawm luv luv. Txawm li cas los xij, yog tias noj cov carotenoid tsawg dhau, nws tuaj yeem ua rau cov tsos mob cuam tshuam nrog vitamin A. Thaum lub sijhawm ntev, kev noj haus tsis txaus no cuam tshuam nrog cov kab mob ntev, suav nrog mob plawv thiab mob qog nqaij hlav ntau.

Nyeg, qhov ntau ntawm cov zaub mov thiab cov tshuaj muaj carotenoids, yog tsis txuam nrog phiv tshuaj lom. Ib qho cim ntawm kev noj haus ntau dhau ntawm beta carotene yog xim daj ntawm daim tawv nqaij, uas feem ntau tshwm rau ntawm xib teg ntawm txhais tes thiab lub qab xib taws. Tus mob no yog hu ua carotenoderma thiab thim rov qab thiab tsis muaj kev phom sij. Kev noj cov lycopene ntau dhau yuav ua rau cov xim tawv nqaij sib sib zog nqus. Ob qho carotenoderma thiab lycopenoderma tsis muaj kev puas tsuaj.

Cov txiaj ntsig ntawm carotenoids

Carotenoids yog cov roj-soluble tshuaj thiab raws li xws li yuav tsum muaj cov khoom noj muaj rog kom haum kom haum los ntawm cov hnyuv. Yog li, cov xwm txheej ntawm cov carotenoids hauv lub cev yuav muaj kev tsis zoo los ntawm kev noj zaub mov tsis zoo rau cov rog lossis yog tias muaj kab mob uas ua rau muaj peev xwm txo qis kev muaj peev xwm nqus cov zaub mov noj xws li pancreatic enzyme deficiency, Crohn tus kab mob, cystic fibrosis, muab hlais tawm ib sab ntawm lub plab, kua tsib thiab kab mob siab.

Cov neeg haus luam yeeb thiab cov neeg quav dej quav cawv tau pom tias kom haus tsawg cov zaub mov uas muaj carotenoids. Cov pa luam yeeb kuj tau pom tias zom carotenoids. Qhov no ua rau qhov kev xav tau rau cov neeg no kom tau txais cov tshuaj carotenoids tsim nyog los ntawm ntau yam zaub mov thiab tshuaj noj.

Cov roj uas txhaws roj tsawg uas cuam tshuam nrog kev sib cais cov kua tsib hauv lub cev yuav ua rau muaj cov roj carotenoids tsawg dua. Tsis tas li, qee qhov khoom noj xws li margarine enriched nrog cov nroj tsuag sterols thiab cov rog hloov uas ntxiv rau qee cov khoom noj txom ncauj tuaj yeem txo qhov nqus ntawm carotenoids.

Carotenoids yog qhov tseem ceeb rau tib neeg kev noj qab haus huv thiab pab tiv thaiv cov kab mob nram qab no: AIDS, hnub nyoog ntsig txog macular degeneration, angina, hawb pob, cataracts, mob ncauj tsev menyuam, mob ncauj tsev menyuam, mob plawv, mob ntsws, mob ntsws, mob ntsws txiv neej thiab poj niam ntxiv lawm, osteoarthritis, mob ntsws, prostate cancer, mob rheumatoid kev mob caj dab, mob qog nqaij hlav cancer, mob paum ntawm qhov ncauj, thiab lwm yam.

Midi
Midi

Carotenoid lub cev tsis txaus

Qhov tsis muaj carotenoids ua rau muaj cov tsos mob zoo ib yam li cov vitamin A tsis txaus. Nrog rau qhov tsis muaj txaus, nws yog qhov nyuaj rau pom thaum tsaus ntuj. Lub pob muag tau dhau los ua qhov dav thiab qhuav, thiab nyob rau theem kawg ntawm carotenoid tsis muaj peev xwm, o thiab xeb ntawm lub pob tsuas tuaj yeem tshwm sim. Cov tawv nqaij ua kom qhuav thiab ntxhib, cov plaub hau thiab cov rau tes ua ntsej muag yooj yim.

Carotenoid overdose

Carotenoids tsis muaj tshuaj lom, yog li txawm tias siv ntau ntau tuaj yeem ua rau daj-txiv kab ntxwv ua kom tawv nqaij, tab sis qhov no tsis yog qhov txaus ntshai.

Los ntawm carotenoids

Txiv kab ntxwv-txiv hmab txiv ntoo thiab zaub, suav nrog carrots, apricots, txiv nkhaus taw, taub, thiab qab zib qos, muaj ntau ntau ntawm cov beta carotene, alpha carotene, thiab beta cryptoxanthin.

Cov zaub ntsuab xws li zaub ntsuab thiab zaub qhwv kuj muaj cov beta carotene thiab yog qhov zoo tshaj plaws ntawm lutein. Lycopene pom muaj nyob hauv cov txiv lws suav, zaub txhwb qaib thiab txiv kab ntxwv qaub. Salmon, qwj nplais, mis nyuj, qe thiab tshwj xeeb yolks tseem muaj carotenoids.

Cov zaub mov no yuav tsum tau noj cov nqaij nyoos los yog maj mam stewed los khaws lawv cov ntsiab lus carotenoid. Qee qhov xwm txheej, txawm li cas los xij, kev ua noj ua haus muaj peev xwm txhim kho kom muaj cov carotenoids hauv cov zaub mov. Piv txwv li, maj mam muab cov carrots thiab zaub ntsuab xyaw zog ua kom lub cev muaj peev xwm nqus cov carotenoids hauv cov zaub mov no.

Nws yog ib qho tseem ceeb kom nco ntsoov, txawm li cas los xij, nyob rau hauv Feem ntau, kev noj zaub mov ntev ntev ua rau txo cov ntsiab lus ntawm carotenoids los ntawm kev hloov lawv cov duab los ntawm lawv qhov hloov pauv mus rau cis-configuration.

Nws yog ib qho tsim nyog kom noj tsib lossis ntau cov txiv hmab txiv ntoo thiab zaub txhua hnub kom tau txais cov txiaj ntsig carotenoids txhua hnub.