Thaum dab tsi kub puas lub vitamin C yog puas lawm: cov uas nrhiav tau ntawm cov kws txawj

Kev tshawb fawb tau qhia tias li 90-95 feem pua ntawm tag nrho cov tib neeg lub cev tau txais cov vitamins tsaug rau ib tug kuas noj. Tiag tiag lo lus nug txog qhov kub thiab txias thaum uas vitamin C yog puas lawm, feem ntau tshwm sim nyob rau hauv lub sij hawm ntawm mob khaub thuas vim qhov yuav tsum tau ntxiv dag zog rau lub cev thiab sib ntaus sib tua cov kab mob zoo.

Ascorbic acid - ib qho tseem ceeb nyob rau hauv lub noj qab haus huv thiab kev nyab xeeb

Qhov no haib antioxidant tsis yog tsuas yog regulates redox tshua, tab sis kuj normalizes ntshav thiab ntshav hlab ntsha, muaj anti-tsis haum thiab anti-inflammatory nyhuv. Nws plays ib qho tseem ceeb luag hauj lwm ntawm cov vitamin C nyob rau hauv lub synthesis ntawm collagen, catecholamines thiab steroid cov tshuaj hormones. Nyob rau hauv tas li ntawd, nws regulates metabolic dab txuam nrog poov hlau, hlau, thiab folic acid, kev txhim kho lawv cov digestibility. Qhov no vitamin - ib qho tseem ceeb nyob rau hauv kev tiv thaiv lub cev los ntawm cov teebmeem ntawm kev nyuaj siab thiab nws cov txim. Yog li ntawd, cov nqe lus nug ntawm nyob rau hauv dab tsi tej yam kev mob thiab nyob li cas kub vitamin C yog puas lawm, yuav luag tag nrho cov kev txhawj xeeb, xws li cov pej xeem hauv lub zos, lub zos thiab tej thaj chaw deb zos.

Main ua kev puas tsuaj ntawm vitamin C

Thaum tshav kub kub kev kho mob ntawm feem ntau cov khoom muaj ib tug nyhuv lig rau lawv zoo: pab txoj kev saj softens cov qauv txav teeb meem microbes thiab toxins. Boiled, stewed, ci, steamed los yog txawm kib zaub mov muaj kev cobphum tshaj nyoos cov khoom noj. Nws yog tau los tiv thaiv tus neeg los ntawm digestive teeb meem (plob tsis so tswj kev ntshawv siab thiab mob ntawm lub pancreas). Tab sis li cas lub kub txav vitamin C, yog li tsim nyog mus rau tib neeg lub cev? Thiab yog dab tsi lwm yam ua rau kom tug dab ascorbic acid? Dej-soluble vitamin C - lub feem ntau tsis ruaj tsis khov compound uas yuav ua txhaum li txawm thaum lub sij hawm heev cia, hnov mob tsis zoo rau tej tshuaj lom neeg thiab lub cev influences. Ascorbic acid yog nkag oxidized. Nws cov tshuaj yuav tsum tsis txhob muab cia rau hauv hlau ntim tau nyob rau hauv kev sib cuag nrog lub thawv acid reacts. Vitamin C kuj yog tsis raug mus rau lub teeb, Thaum tshav kub kub, siab humidity, hu nrog cov pa yooj yim puas tsuaj. Lub xub ntiag ntawm lub vitamin nyob rau hauv cov khoom txo thaum twg kub, tab sis nyob rau hauv cov zaubmov.

Yuav ua li cas science hais li cas?

Ascorbic acid molecule, raws li ib tug xov tooj ntawm kev soj ntsuam, yog kiag li rhuav pov tseg thaum ib tug kub ntawm 191-192 ° F (88-89 ° C), tab sis lom ua si muaj tsuas ib qho ntawm nws isomer (L-ascorbic acid) los yog vitamin C, - tej yam ntuj tso tshuaj, muaj nyob rau hauv txiv hmab txiv ntoo thiab zaub. Nyob rau nws kom muaj nuj nqis muaj feem xyuam rau lub caij kev thauj thiab txee lub neej ntawm cov khoom, lawv tiv thaiv los ntawm huab cua thiab lub teeb, thiab lwm yam tsis. Tom qab lub purchase ntawm txiv hmab txiv ntoo thiab zaub yog ib qho tseem ceeb yog hais tias lawv yog muab cia rau hauv lub tub yees los yog tsis, nyob rau hauv tag nrho cov los yog hlais, siav ntev npaum li cas thiab nyob li cas kub. Vitamin C puas nrog ib tug pib ntawm 60-70 degrees, tab sis yog resistant mus rau lub acidic ib puag ncig. Xam lav (kub thiab txias) txiv qaub kua txiv, tus thib ob lub tais uas muaj qhov sib ntxiv ntawm cov lws suav muab tshuaj txhuam los yog lws suav zoo khaws qhov no vitamin dua thawj zaug zaub mov nrog ib theem siab cov ntsiab ntawm cov kua tab sis tsis muaj acidic cov khoom xyaw. Kom Qhuav, txiav, heev cua sov ntawm cov khoom noj nyob rau hauv ib lub lauj kaub nrog lub hau qhib, rov-cua sov noj mov, tooj liab los yog hlau cookware nquag puas ib tug haib antioxidant.

Xyaum ua tej yam "txoj cai" dej thiab sai Txoj kev lis ntshav ntawm sawv duav

Kev siv cov distilled dej es tsis txhob ntawm kais heev pab khaws cia vitamin C by nyuag kub. American Science News for KIDS me nyuam kawm ntawv xyaum ua tej yam twb tau: nyob rau hauv ib khob distillate nws yaj 1 me nyuam diav ntawm ascorbic acid muab nws concentration ntawm 2-2.5%. Raws li ib tug tshwm sim, lub 'meter' tsom 2.17%. Soj ntsuam nruj nreem them thawv nrog ib tug daws thermofilm thiab tshuav ib tug me me qhov rau tso tawm ntawm chav. Luv luv rhuab khob nrog ascorbic acid (tsis muaj ntau tshaj li 2 feeb) nyob rau hauv ib tug microwave qhov cub, ces chilled rau 5 feeb thiab muab tso rau hauv lub tub yees. Tom qab 75 feeb, thaum cov tshuaj tau mus txog chav tsev kub, nws rov ntsuas concentration ntawm vitamin C. By momentary evaporation daim duab nce mus 2.19%! Tib yam vim li, cov kws txawj qhia kom npaj sai infusions ntawm berries, nplua nuj nyob rau hauv vitamin C. Guaranteed muab nyiaj pab ntau tshaj cov nyiaj ntawm lub vitamin, yog zom sai sai sawv duav, sau lawv nrog boiled dej muaj ib tug kub tsis siab tshaj 40-60 degrees, thiab ces nws rau ib teev nyob rau hauv ib tug nruj nreem kaw thermos. Ntev boiling duav txav L-ascorbic acid, txo tus nqi ntawm broth piv nrog tshiab kua thiab ceev ceev infusions.

Boiling kub tshuaj yej thiab txiv qaub broth

Nyob rau hauv forums koj tau feem ntau nrhiav tau ib lo lus nug los ntawm tus kiv cua ntawm kub tshuaj yej ntawm ib tug kub txav vitamin C. Japanese soj ntsuam, tsis tooj mus rau nrov kev ntseeg, nws yuav tsis tau brewed nrog boiling dej, qhov no nrov haus, pom tau tias cov L-isomer ntawm ascorbic acid (vitamin C) nyob rau hauv cov ntaub ntawv no collapses me ntsis . Nws concentration ntog los tsuas 30 feem pua nyob rau hauv thawj peb lub hlis twg ntawm ib teev nyob rau hauv lub brewed tshuaj yej ntawm qhov kub ntawm boiling, tab sis tom qab ib teev nws decays yuav luag tag. Yog li nyob rau hauv cov pa kub dej yaj Vitamin C nyob rau hauv 10 feeb nyob rau hauv 83 feem pua lawm. Qhov no txawv cov kws txawj ntaus nqi mus rau qhov tseeb hais tias cov tshuaj yej phenol reacts nrog cov tooj liab thiab hlau ions, txuas rau lawv tshaj hinders lawv cawv rau cov acceleration ntawm lwj ntawm vitamin C. Yog hais tias nws yog tsim nyog los ua ib tug kub ID ntawm 6 tug txiv qaub, lawv yog txiav nyob rau hauv ib nrab thiab ces muab pov tseg rau hauv boiling dej . Tsis pub dhau 3 feeb lub phaj yog muab tshem tawm, nrog rau cov thawv, thawb lub haus 10-15 feeb. Ces lim nws los ntawm cov txiv hmab txiv ntoo thiab sis plawv hniav. Qhov no ID tiv thaiv khaub thuas thiab pab txoj kev tiv thaiv kab mob, yog tias koj haus nws kub los sov so daim ntawv no, muab ib tug me ntsis ntawm zib mu. Cia nyob rau hauv lub tub yees rau ib tug haus dej, sov nyob rau hauv lub microwave rau siab tshaj plaws preservation ntawm ascorbic acid.

Nyob rau hauv kev npaj cov thawj thiab thib ob cov hoob kawm

Yog cov ntaub ntawv qhia txog qhov uas kub ntawm uas cov vitamin C yog puas lawm nyob rau hauv txhua lub phaj, tsis muaj nyob. Nws yog lub npe hu hais tias txawm nyob 50 degrees Celsius nyob rau hauv ib tug qos kua zaub concentration ntawm ascorbic acid pib kom txo tau, yog hais tias tsis yias cover thiab zaub ua ntej lawv yuav tso. Raws li cov kev cai, lawv yuav tsum tau ntxiv nyob rau hauv boiling salted dej, npog lub tais thiab hau thaum lub sij hawm ua noj ua haus. Raws li nws yog tsim nyog nkag mus rau thiab khov zaub, vim hais tias cov boiling dej muaj tsawg npaum li cas yaj oxygen txav vitamin C. Nyob rau hauv tas li ntawd, siab kub taw tes activates, ua ke nrog ascorbic acid, lwm yam tseem ceeb nroj enzymes uas txhawb zoo dua Preservation ntawm cov vitamin. Qos yaj ywm, nchuav boiling dej thiab siav nyob rau hauv lawv cov tawv, nws npaum li cas yog txo los ntawm hais txog 10 feem pua. Tsawg dej kuj tsis pub cov puas tsuaj rau lub ntuj "askorbinki." Piv txwv li, sauerkraut los ntawm zaub qhwv tom qab boiling rau ib teev poob 50% ntawm ib tug haib antioxidant, thiab qhwv stew - tsuas yog 15%. Txiv lws suav siav rau 2 feeb nyob rau hauv ib tug microwave qhov cub los yog ib qhov cub (ntawm 90 degrees), poob tsuas 10 feem pua ntawm cov tseem ceeb heev tshuaj. Cov txiv lws suav, twb npaj rau ib nrab ib teev, poob kwv yees li 29-30% ntawm cov vitamin C. zaub, ua rau ib tug khub, pov tseg nyob rau hauv 22-34% nqi vitamin thiab microwave - 10% rau tib lub sij hawm ntawm lub sij hawm.

Thaum dab tsi kub li cas yog cov vitamin C yog puas lawm nyob rau hauv lub lws suav txiv moj mab?

Cov kev pab cuam ntawm no zoo-paub txiv moj mab yog tshwj xeeb tshaj yog noticeable nyob rau hauv lub caij ntuj no ntawm mob khaub thuas. Nws diaphoretic thiab antitussive cov nyhuv yog muaj nuj nqis nrog ib tug ntxiag saj thiab ib tug ntau yam ntawm lwm yam lam zog. Tkemali li hu ua "vishneslivu" nyob rau hauv Caucasus, thiab nyob rau hauv lub Caucasus, muaj ib co suab thaj, tiam sis nws muaj citric thiab malic acids, vitamins ntawm pab pawg neeg B, A, E thiab PP. Rich txiv moj mab pectin, calcium, magnesium, sodium, hlau, phosphorus. Tsis tas li ntawd, nws yog tam sim no zoo vitamin C. Nws kub puas tseem nyob rau tag nrho cov saum toj no yam. Piv txwv li, ib tug txiv moj mab compote yuav muaj tsawg npaum li cas ntawm qhov no tseem ceeb cov tshuaj yeeb dej caw dua tkemali ntses, vim hais tias ib tug loj npaum li cas ntawm cov dej, piav txog tus vitamin puas sai dua nyob rau hauv lub caij ntawm tsis muaj ntxiv kua. Cherry txiv moj mab yog ib tug haib qhov chaw ntawm ascorbic acid no kuj vim lub lwm yam acids nyob rau hauv lub txiv hmab txiv ntoo tiv thaiv lub disintegration ntawm cov dej-soluble vitamin.

Cov tshuaj tiv thaiv ntawm lwm yam tseem ceeb hais txog cov cua kub

Qhov thib ob, tsis muaj tsis tseem ceeb, "antiprostudnym Vitamin", cov kws kho mob hais tias vitamin D, uas yog pom zoo kom noj nrog lub Txoj kev lis ntshav ntawm sawv duav. Ntses roj, zaub roj thiab cheese nyob rau hauv lub off-lub caij yuav tsum tau nyob rau txhua txhua lub rooj. Thaum dab tsi kub txav vitamin D? Thaum lub sij hawm thaum tshav kub kub kev kho mob ntawm lub fat-soluble vitamins (A, D, E, K) txoj kev yog tsis tshuam txo los yog puas lawm. Nyob rau hauv cov ntaub ntawv no, vitamin D ntev boiling nyob rau hauv ib tug acid nruab nrab sawv khov kho, thiab alkaline - raug rau sai degradation. Nws yog lub npe hu tias nyob rau hauv ib tug kub ntawm 232 degrees nyob rau hauv lub qhov cub cheese rau 5 feeb poob 25-30% "antiprostudnogo" vitamin. Nws yog lub npe hu hais tias qus sawv, tsuas yog vitamin C, thiab vitamin comprises P (rutin). Qhov no cov ntaub ntawv uas pab tau cov nyhuv ntawm "askorbinki" thiab lawv uake yog tsim nyog thaum los ntawm tshuaj aspirin nrog sulfonamides rau pab, txo qhov kev txiav txim nyob rau hauv cov hlab ntsha. Lo lus teb rau lo lus nug, thaum twg tus kub puas vitamin P, zoo ib yam li cov tswv yim pom zoo txog ascorbic acid. Cov ob vitamin lom zem ntau zoo tib yam: ob yog dej soluble, yog ntshai ntawm tshav ntuj, cov pa raug thiab tib kub. Nyob rau hauv tas li ntawd mus sawv duav, thiab rutin muaj nyob rau hauv txiv qaub. Supplementing thiab txhawb txhua lwm yam, cov vitamins kuj qhia thaum lub sij hawm heev tshuaj tua kab mob.