Qhov txawv ntawm anthocyanins thiab proanthocyanidins yog dab tsi?

Cov tshuaj anthocyaninyog cov xim uas yaj tau hauv dej uas yog cov flavonoid pawg ntawm cov tshuaj sib xyaw. Lawv yog lub luag haujlwm rau cov xim liab, ntshav, thiab xiav hauv ntau cov txiv hmab txiv ntoo, zaub, thiab paj. Cov khoom noj uas muaj anthocyanins feem ntau suav nrog cov txiv hmab txiv ntoo (xws li blueberries, strawberries, thiab raspberries), zaub qhwv liab, txiv hmab liab, thiab eggplants. Anthocyanins paub txog lawv cov khoom antioxidant, uas pab tiv thaiv cov hlwb ntawm kev puas tsuaj los ntawm cov dawb radicals. Cov kev tshawb fawb tau hais tias anthocyanins yuav muaj cov txiaj ntsig zoo rau kev noj qab haus huv, xws li txo qhov kev pheej hmoo ntawm kab mob plawv, txhim kho kev ua haujlwm ntawm lub hlwb, thiab tiv thaiv qee hom mob qog noj ntshav.

Nyob rau sab tes tod,cov proanthocyanidinsyog ib pawg ntawm cov flavonoid compounds uas tseem hu ua condensed tannins. Lawv pom muaj nyob rau hauv ntau yam khoom noj uas yog los ntawm cov nroj tsuag, suav nrog txiv hmab, txiv apples, cocoa, thiab qee hom txiv ntoo. Proanthocyanidins paub txog lawv lub peev xwm los khi rau cov protein, uas muab cov txiaj ntsig kev noj qab haus huv rau lawv xws li txhawb kev noj qab haus huv ntawm lub plawv, txhawb kev noj qab haus huv ntawm daim tawv nqaij, thiab tiv thaiv kev ntxhov siab oxidative. Proanthocyanidins kuj tau lees paub rau lawv lub luag haujlwm hauv kev txhawb nqa kev noj qab haus huv ntawm txoj hlab zis los ntawm kev tiv thaiv kev sib txuas ntawm qee cov kab mob rau ntawm txoj hlab zis.

Ib qho ntawm qhov sib txawv tseem ceeb ntawm anthocyanins thiab proanthocyanidins yog nyob rau hauv lawv cov qauv tshuaj. Anthocyanins yog glycosides ntawm anthocyanidins, uas txhais tau tias lawv muaj cov molecule anthocyanidin txuas nrog cov molecule qab zib. Anthocyanidins yog cov qauv aglycone ntawm anthocyanins, txhais tau tias lawv yog cov khoom tsis yog qab zib ntawm cov molecule. Qhov sib piv, proanthocyanidins yog cov polymers ntawm flavan-3-ols, uas yog tsim los ntawm catechin thiab epicatechin units txuas ua ke. Qhov sib txawv ntawm cov qauv no ua rau muaj kev hloov pauv hauv lawv cov khoom siv lub cev thiab tshuaj, nrog rau lawv cov haujlwm biological.

Lwm qhov sib txawv tseem ceeb ntawm anthocyanins thiab proanthocyanidins yog lawv qhov ruaj khov thiab bioavailability. Anthocyanins yog cov tshuaj tsis ruaj khov uas tuaj yeem yooj yim degraded los ntawm cov yam xws li cua sov, lub teeb, thiab pH hloov pauv. Qhov no tuaj yeem cuam tshuam rau lawv qhov bioavailability thiab cov txiaj ntsig kev noj qab haus huv. Ntawm qhov tod tes, proanthocyanidins ruaj khov dua thiab tiv taus kev puas tsuaj, uas yuav ua rau lawv qhov bioavailability siab dua thiab kev ua haujlwm ntawm lub cev hauv lub cev.

Hais txog cov txiaj ntsig kev noj qab haus huv, ob qho tib si anthocyanins thiab proanthocyanidins tau raug kawm txog lawv lub luag haujlwm hauv kev tiv thaiv cov kab mob ntev thiab txhawb kev noj qab haus huv tag nrho. Anthocyanins tau cuam tshuam nrog kev tiv thaiv kev o, tiv thaiv mob qog noj ntshav, thiab cov teebmeem neuroprotective, nrog rau cov txiaj ntsig ntawm lub plawv xws li kev txhim kho kev ua haujlwm ntawm cov hlab ntsha thiab txo qhov kev pheej hmoo ntawm atherosclerosis. Proanthocyanidins tau raug tshawb fawb txog lawv cov khoom antioxidant, anti-inflammatory, thiab anti-microbial, nrog rau lawv lub peev xwm los txhawb kev noj qab haus huv ntawm lub plawv, txhim kho daim tawv nqaij elasticity, thiab tiv thaiv kev poob qis ntawm kev paub txog hnub nyoog.

Nws yog ib qho tseem ceeb uas yuav tsum nco ntsoov tias cov teebmeem kev noj qab haus huv ntawm anthocyanins thiab proanthocyanidins tseem tab tom raug tshawb fawb, thiab xav tau kev tshawb fawb ntxiv kom nkag siab tag nrho lawv cov txheej txheem ntawm kev ua haujlwm thiab cov kev siv kho mob. Tsis tas li ntawd, qhov bioavailability thiab metabolism ntawm cov tshuaj no hauv tib neeg lub cev tuaj yeem sib txawv nyob ntawm cov yam xws li qhov sib txawv ntawm tus kheej, cov khoom noj khoom haus, thiab cov txheej txheem ua.

Xaus lus, anthocyanins thiab proanthocyanidins yog ob pawg ntawm cov nroj tsuag uas muaj ntau yam txiaj ntsig rau kev noj qab haus huv vim lawv cov tshuaj antioxidant thiab bioactive. Txawm hais tias lawv muaj qee qhov zoo sib xws hauv lawv cov teebmeem antioxidant thiab cov txiaj ntsig rau kev noj qab haus huv, lawv kuj muaj qhov sib txawv hauv lawv cov qauv tshuaj, qhov chaw, kev ruaj khov, thiab bioavailability. Kev nkag siab txog cov yam ntxwv tshwj xeeb ntawm cov tshuaj no tuaj yeem pab peb nkag siab txog lawv lub luag haujlwm sib txawv hauv kev txhawb nqa kev noj qab haus huv thiab tiv thaiv kab mob.

Cov ntaub ntawv siv los ua piv txwv:
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