Saib ntawm daim ntawv lo ntawm cov khoom qab zib tsis muaj qab zib, thiab koj yuav pom cov lus zoo li maltitol, xylitol, thiab sorbitol. Cov no yog cov cawv suab thaj. Txawm li cas los xij, lawv tsis yog cov qab zib lossis dej cawv. Yog li cas cov tshuaj no thiab lawv yuav ua li cas rau koj lub cev?
Cov Cawv Qab Zib Muaj Dab Tsi?
Qab zib alcohols yog hom carbohydrates hu ua "polyols". Ib feem ntawm lawv cov ntshav qauv zoo li lub suab thaj, thiab ib feem ntawm nws li cawv-li lub ncauj lus ruam.
Piv txwv ntawm cov kua qab zib ntau heev yog maltitol, sorbitol, isomalt, thiab xylitol.
Qab zib alcohols tshwm sim lawm hauv nroj tsuag. Qee yam ntawm lawv yog muab los ntawm cov nroj tsuag (piv txwv li, sorbitol los ntawm pob kws phoov thiab mannitol ntawm seaweed), tab sis lawv feem ntau yog tsim los ntawm suab thaj thiab starches.
Vim Li Cas Thiaj Siv?
Cov kua qab zib zoo li cov suab thaj hauv qee txoj kev, tab sis lawv tsis tag absorbed los ntawm lub cev. Vim li no, cov ntshav qab zib feem ntau ntawm cov cawv suab thaj yog feem ntau tsawg dua qab zib, thiab lawv muab cov calories tsawg dua ib tus kab gram. Tsis tas li ntawd, cov cawv suab thaj tsis tuaj yeem txhawb cov hniav lwj li cov suab thaj, yog li feem ntau siv los so qab zib nti. Ib qho, xylitol, ua rau muaj kab mob loj hlob hauv qhov ncauj.
Nws yog ib qho tseem ceeb uas yuav tsum nco ntsoov, txawm li cas los xij, ntau hom cawv suab paj nruag ua txawv heev hauv lub cev (saib daim phiaj nram qab).
Tej Teebmeem
Txawm hais tias lo lus "dej cawv" yog ib feem ntawm lawv lub npe, lawv tsis tuaj yeem txais koj qaug dej qaug cawv.
Tab sis vim hais tias lawv tsis ua kom zoo tag nrho, lawv tuaj yeem ntxeev ua rau txoj hnyuv thiab ua rau tsam plab, roj, lossis txawm yog raws plab. Tib neeg tuaj yeem muaj ntau tus neeg tuaj yeem ua rau nyias muaj nyias cov cawv. Cob qhia kom paub meej.
Cov Caj Caw Cov Piam Haum Uas Sau Ntawv Li Cas?
Cov npe ntawm cov kua txiv hmab txiv ntoo uas muaj suab thaj yuav nyob rau ntawm daim ntawv teev khoom ntawm cov khoom uas muaj rau lawv.
Lawv yuav muab tso rau hauv qhov nyiaj ntawm carbohydrate ntawm daim ntawv lo, xws li hauv tag nrho los sis ntawm ib qho kab rau cov kua qab zib. Hauv Tebchaws Meskas, yog tias cov khoom noj muaj "tsis muaj piam thaj" los sis "tsis muaj qab zib ntxiv", tus kws muag khoom yuav tsum qhia cov cawv suav xyaw qab zib.
Yuav Muab Dab Tsi Piv rau Lwm Cov Carbohydrates
Txawm tias cov cawv muaj piam thaj ntau dua li cov suab thaj, feem ntau lawv tsis yog qab zib, ntau tshaj qhov no yuav tsum tau siv kom tau tib lub txiaj ntsim zoo. Ib qho piv txwv zoo yog maltitol , uas muaj 75% ntawm cov ntshav qab zib feem xyuam ntawm qab zib, tab sis kuj tsuas yog 75% ntawm cov tsos mob. Yog li ntawd lawv thiaj li muaj kev vaj huam sib luag nyob hauv txoj kev xav txog. Tseem, muaj ntau yam ntawm cov tsos mob thiab feem ntawm ntshav qab zib ntawm cov kua qab zib.
Qhov twg yog qhov zoo?
Cov kab mob hauv qab zib nrog rau cov ntshav qab zib tsawg tshaj plaws yog erythritol . Nws tseem yuav tsis tshua ua rau cov kev mob plab hnyuv. Nws muaj nyob rau hauv cov ntaub ntawv hmoov thiab granulated. Rau ci, hmoov daim ntawv no zoo dua li cov ntaub ntawv cog lus tsis ua kom zoo li hauv batters thiab khob noom cookie.
Daim duab qhia no sib piv cov polyols sib txawv.
GI = glycemic index
Cal / g = Calories per gram
Dais nyob rau hauv lub siab hais tias glycemic index yog ib tug ntau, es tsis muaj tus naj npawb ruaj. Cov kev tshawb fawb sib txawv los ntawm ntau qhov sib txawv.
Daim ntawv qhia no yog los ntawm Livesey tshawb fawb qhia hauv Nutrition Research Review , Lub Kaum Ob Hlis 2003.
Kev sib piv ntawm Qab Zib thiab Qab Haus Cawv Mis
| Muaj | Qab zib | GI | Cal / g |
| Sucrose (qab zib) | 100% | 60 | 4 |
| Maltitol Syrup | 75% | 52 | 3 |
| Hydrogenated Starch Hydrolyzate | 33% | 39 | 2.8 |
| Maltitol | 75% | 36 | 2.7 |
| Xylitol | 100% | 13 | 2.5 |
| Isomalt | 55% | 9 | 2.1 |
| Sorbitol | 60% | 9 | 2.5 |
| Lactitol | 35% | 6 | 2 |
| Mannitol | 60% | 0 | 1.5 |
| Erythritol | 70% | 0 | 0.2 |