Pa zimene kutentha achita vitamini C waonongeka: apeza a akatswiri

maphunziro Scientific zasonyeza kuti pafupifupi 90-95 peresenti ya thupi okwana anthu afika mavitamini kuyamika chakudya chamagulu. Leni funso za kutentha pa zomwe vitamini C zikadzawonongedwa, nthawi zambiri amapezeka mu nyengo ya chimfine chifukwa panafunika kulimbikitsa chitetezo cha m'thupi ndi kumenyana mavairasi bwino.

Ascorbic asidi - chinthu chofunika kwambiri thanzi ndi Ubwino

Izi antioxidant mphamvu si nthawi zosiyanasiyana redox, komanso normalizes magazi clotting ndi capillaries magazi, ali wotsutsa-matupi awo sagwirizana ndi odana ndi yotupa kwenikweni. Iwo amagwira ntchito yofunika kwambiri ya vitamini C mu kaphatikizidwe kolajeni, makatekolamaini timadzi steroid. Komanso, nthawi njira kagayidwe kachakudya kugwirizana ndi calcium, chitsulo, ndi kupatsidwa folic acid, kuwongolera digestibility awo. Izi vitamini - chinthu chofunika kwambiri kuteteza thupi ku zotsatira za maganizo ndi zotsatira zake. Choncho, funso la pansi zinthu zimene ndi nthawi kutentha vitamini C zikadzawonongedwa, pafupifupi onse okhudzidwa kuphatikizapo anthu a m'mizinda, m'matauni ndi m'midzi yakutali.

Main amachititsa chiwonongeko cha vitamini C

Kutentha mankhwala mankhwala ambiri ali ndi zotsatira opindulitsa pa khalidwe lawo: bwino kukoma kumafeŵetsa kukonza wawononga tizilomboto zoipa ndi poizoni. Yophika, stewed, zophikidwa, steamed kapena yokazinga chakudya ndi wabwino kuposa zakudya zosaphika. Ndi wokhoza kuteteza munthu ku mavuto m'mimba (matenda matumbo ndi matenda a kapamba). Koma kodi kutentha wawononga vitamini C, choncho m'pofunika thupi la munthu? Ndipo kodi zinthu zina zimathandiza kuti njira zowononga ascorbic asidi? Madzi sungunuka mavitamini C - kwambiri wosakhazikika pawiri kuti akhoza kuswa ngakhale pa yosungirako yaitali, kukhumudwa kwa mankhwala alionse ndi makhalidwe thupi. Ascorbic asidi mosavuta oxidized. mankhwala Iye sayenera kusungidwa mu muli zitsulo akhala kukhudzana ndi chidulo chidebe amachitira. Vitamini C komanso si poyera kuti kuwala, kutentha, mkulu chinyezi, analankhulana ndi mpweya mutsogolo uwonongedwe. Kukhalapo kwa vitamini mankhwala yafupika pa kutentha kulikonse, koma amakhala osiyana.

Kodi sayansi imanena?

Ascorbic molekyulu asidi, mogwirizana ndi chiwerengero cha ofufuza, ndi kumuchotsa pa kutentha 191-192 ° F (88-89 ° C), koma ntchito kwachilengedwenso mmodzi wa isomer ake (L-ascorbic acid) kapena vitamini C, kokha - zachilengedwe mankhwala, ali zipatso ndi ndiwo zamasamba. Pa kuchuluka ake amakhudza nthawi zoyendera ndi alumali moyo katundu, chitetezo awo mpweya ndi kuwala, ndipo magawo ena. Pambuyo kugula zipatso ndi ndiwo zamasamba ndi zofunika ngati iwo zasungidwa mu firiji kapena ayi, lonse kapena sliced, yophika yaitali bwanji ndi nthawi kutentha. Vitamini C akuwonongedwa ndi kuloŵa madigiri 60-70, koma kugonjetsedwa kwa malo acidic. Saladi (kutentha ndi kuzizira) mandimu, mbale chachiwiri ndi Kuwonjezera wa phwetekere phala kapena phwetekere bwino kusunga vitamini lino kuposa mbale choyamba ndi wokhutira mkulu wa madzi koma osati ndi zosakaniza acidic. Kuyanika, kudula, yaitali Kutentha chakudya mu mphika ndi chivindikiro lotseguka, kachiwiri Kutentha chakudya, mkuwa kapena chitsulo cookware mwachangu kuononga antioxidant mphamvu.

Kuyesera ndi "ufulu" madzi ndi kulowetsedwa mofulumira anauka m'chiuno

Kugwiritsa ntchito madzi otchezedwa m'malo mpopi amathandiza kwambiri kusunga vitamini C ndi kuwira mwachidule. American umagwirira wophunzira kuyesera anali anachita: mu chikho chimodzi distillate iye kusungunuka supuni 1 asidi ascorbic kupereka ndende yake 2-2.5%. Chifukwa, mita anasonyeza 2,17%. Kafukufuku mwamphamvu wokutidwa chidebe ndi njira thermofilm ndipo anasiya dzenje yaing'ono kuti amasule nthunzi. Mwachidule usavutike chikho ndi ascorbic asidi (zosaposa 2 Mphindi) mu uvuni mayikirowevu, ndiye chilled kwa mphindi 5 ndi kuika mu firiji. Patatha mphindi 75, pamene yankho wafika firiji, izo kachiwiri anayeza magawanidwe a vitamini C. Mwa akanthawi evaporation chithunzi kuchuluka kwa 2,19%! Pachifukwa chomwechi, akatswiri amalangiza kukonzekera infusions mofulumira zipatso, vitamini C. Kungakupatseni kusungidwa pazipita kuchuluka kwa vitamini, ngati akupera msanga ananyamuka m'chiuno, mudzaze iwo ndi madzi owiritsa ndi kutentha osati choposa madigiri 40-60, ndiyeno kwa ola mu thermos mwamphamvu chatsekedwa. Yaitali otentha m'chiuno wawononga L-ascorbic asidi, kwambiri kuchepetsa phindu la msuzi poyerekeza mwatsopano timadziti ndi infusions mofulumira.

Otentha tiyi ndi ndimu msuzi

Pa maonekedwe mukhoza zambiri funso kwa mafani ya tiyi pa kutentha wawononga vitamini C. Japanese ofufuza, mosiyana ndi zimene ambiri amakhulupirira, iyo siingakhoze zinachitika ndi madzi otentha, chakumwa otchuka, asonyeza kuti L-isomer ya ascorbic asidi (vitamini C) Pankhaniyi n'kugwa pang'ono . ndende amagwa ndi 30 peresenti zokha kotala loyamba la ola mu tiyi zinachitika pa kutentha zonse otentha, koma pambuyo ola izo limawola n'kusanduka pafupifupi mwathunthu. Choncho ochiritsira kuwira madzi kusungunuka Vitamini C mu mphindi 10 peresenti 83 anawonongedwa. Izi akatswiri kusiyana zimachitika chakuti tiyi phenol amachitira ndi mkuwa ndi zachitsulo ayoni, yolumikiza kuposa kumalepheretsa chikoka chawo pa mathamangitsidwe wa kuvunda vitamini C. Ngati m'pofunika kupanga chakumwa chamandimu otentha a mandimu 6, iwo tadulidwa mu theka ndi kuponyedwa madzi otentha . Pasanathe mphindi 3 mbale atachotsedwa, ndi chidebe, kukankhira chakumwa mphindi 10-15. Ndiye zosefera izo kuchokera zipatso ndi zamkati. chakumwa chamandimu Izi amateteza chimfine ndi bwino chitetezo cha m'thupi, ngati inu kumwa kukutentha kapena ofunda mawonekedwe, kuwonjezera pang'ono uchi. Kusunga mu firiji madzi akumwa, konzekera mu mayikirowevu kuteteza pazipita ascorbic asidi.

Pokonzekera maphunziro yoyamba ndi yachiwiri

Zolondola deta zimasonyeza kutentha pa zimene vitamini C akuwonongedwa mu lililonse mbale, kulibe. Amadziwika kuti ngakhale pa 50 digiri Celsius mu mbatata msuzi ndende ya ascorbic asidi umayamba kuchepa, ngati poto chivundikiro ndi masamba pamaso iwo ali. Malinga ndi malamulo, iwo ayenera zidzawonjezedwa mu otentha mchere madzi, kuphimba mbale ndi chivindikiro pa kuphika. Monga m'pofunika kuchita ndi masamba mazira chifukwa madzi otentha lili kuli kusungunuka mpweya wawononga vitamini C. Komanso mkulu kuwira mfundo imayendetsa, pamodzi ndi ascorbic asidi, zina zothandiza zomera michere kuti amalimbikitsa bwino kuteteza vitamini lapansi. Mbatata, anathira madzi otentha ndipo yophika mu zikopa, kuchuluka kwake yafupika ndi pafupifupi 10 peresenti. Zochepa madzi komanso kumathandiza chiwonongeko cha masoka "askorbinki." Mwachitsanzo, sauerkraut ku kabichi pambuyo otentha kwa ola kutaya 50% ya antioxidant mphamvu, ndi kabichi mphodza -% 15 okha. Tomato kuphika kwa mphindi 2 mu uvuni mayikirowevu kapena ng'anjo (pa madigiri 90), kutaya 10 peresenti zokha zinthu zofunika kwambiri. tomato anthu, anali okonzeka kwa theka la ola, kutaya pafupifupi 29-30% ya vitamini C. masamba, kukonzedwa pa awiri, kodi oyenerera pa 22-34% wapatali vitamini ndi mayikirowevu - 10% ya nthawi yomweyi ya nthawi.

Pa zimene kutentha Kodi vitamini C akuwonongedwa mu maula chitumbuwa?

Ubwino maula otchuka makamaka noticeable mu nyengo ya chimfine. zotsatira zake diaphoretic ndi antitussive ndi ofunika ndi kukoma osangalatsa ndi zosiyanasiyana zina mankhwala. Tkemali monga amatchedwa "vishneslivu" mu Caucasus, ndi Caucasus, lili ndi dzuwa, koma lili citric ndi malic zidulo, mavitamini a gulu B, A, E ndi PP. Olemera maula pectin, calcium, magnesium, sodium, chitsulo, phosphorous. Komanso, ndi pano bwino vitamini C. kutentha kwake wovulala komanso kumatengera zifukwa onse pamwamba. Mwachitsanzo, chitumbuwa maula compote adzakhala ali kuli zinthu izi wapatali kuposa msuzi tkemali, chifukwa wambirimbiri madzi, anafotokoza vitamini waonongeka mofulumira kuposa mu nyengo pa palibe madzi owonjezera. Cherry maula ndi gwero lamphamvu la asidi ascorbic ndi chifukwa zidulo ena zipatso kuteteza azingokhala wa vitamini madzi sungunuka.

Zimene zinthu zina zothandiza kwa Kutentha

The chachiwiri, n'kofunika, "antiprostudnym Vitamini", madokotala kuti vitamini D, amene analimbikitsa kumwedwa ndi kulowetsedwa a ananyamuka m'chiuno. Nsomba mafuta, mafuta masamba ndi tchizi mu nyengo yopuma akhale pa gome lirilonse. Pa zimene kutentha wawononga vitamini D? Pa kutentha mankhwala a mavitamini mafuta-sungunuka (A, D, E, K) ntchito yake si kuti zayamba kuchepetsedwa kapena kuwonongedwa. Pankhaniyi, vitamini D yaitali otentha mu sing'anga asidi waima mwamphamvu, ndi zamchere - atengeke kudzitsitsa mofulumira. Amadziwika kuti pa kutentha madigiri 232 mu tchizi uvuni kwa mphindi 5 kutaya 25-30% "antiprostudnogo" vitamini. Amadziwika kuti chilombo ananyamuka, kupatula vitamini C, ndi vitamini limapangidwa P (rutin). Nkhanizi timapitiriza zotsatira za "askorbinki" ndi ntchito mogwirizana ndi zofunikira pamene akuti a aspirin ndi sulfonamides kwa opindulitsa, kuchepetsa kanthu pa capillaries lapansi. Yankho la funso limeneli, zimene kutentha waonongeka vitamini P, ofanana ndi malangizo zokhudza ascorbic asidi. Awiriwa vitamini kwakukulukulu zofanana: onse ndi madzi sungunuka, amaopa dzuwa, mpweya kukhudzana ndi kutentha yomweyo. Kuwonjezera ananyamuka m'chiuno, ndipo rutin ali mandimu. Supplementing ndi ikuthandizira mzake, mavitamini izi amasonyezanso pa mankhwala yaitali mankhwala.