Ubwino wa Vitamini C Kuwonjezera

Kodi Ndiyenera Kudziwa Chiyani Zokhudza Izi?

Vitamini C yowonjezerapo nthawi zambiri imakhala ngati chitetezo chachilengedwe pa matenda, monga chimfine . Koma pamene kafukufuku akuwonetsa kuti kuphatikizapo vitamini C wambiri mu zakudya zanu kungateteze ku matenda ena, palibe umboni wa sayansi wotsimikizira kuti ntchito ya vitamini C yowonjezereka.

Amagwiritsira ntchito vitamini C Kuwonjezera

Mwachibadwa zipatso zambiri ndi ndiwo zamasamba, vitamini C ndizofunika kuti mapangidwe a collagen, machiritso a machiritso, ndi kukonzanso ndi kusamalira khungu, mafupa, ndi mano.

Mu mankhwala osakaniza, vitamini C wothirira mankhwala amapereka zowonjezera antioxidant ndipo amati akuthandiza izi:

Otsindika ena amanena kuti vitamini C yowonjezereka ingathandize kwambiri chitetezo cha mthupi, komanso kuthandizira kupewa matenda a khansa.

Ubwino Wathanzi wa Vitamini C Kuwonjezera:

Pakadali pano, kafukufuku wokhudzana ndi thanzi la vitamini C wothirira mankhwala wapanga zotsatira zosiyana. Pano pali kuyang'ana pa zofunikira zina:

1) Madzi

Mu kafukufuku wa 2007 wa mayesero makumi atatu (pafupifupi anthu okwana 11,350), ofufuza anapeza kuti vitamini C yowonjezerapo sizinathandize polimbana ndi chimfine. Komabe, olemba olembawo amavomereza kuti vitamini C zowonjezerapo zingakhale zopindulitsa kwa anthu okhala m'madera ozizira kwambiri kapena kwa anthu omwe ali ndi nthawi zochepa zolimbitsa thupi (monga othamanga marathon).

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2) Matenda a Mtima

Malinga ndi kafukufuku wina wa 2008, madokotala 14,641 aamuna (omwe ali ndi zaka 50 kapena kuposerapo pachiyambi cha phunziro) adatenga vitamini C kuti ayambe kuchepetsa matendawa. Kwa zaka zisanu ndi zitatu, mamembala a maphunziro adatenga placebo kapena 500 mg ya vitamini C mu fomu yowonjezera tsiku ndi tsiku.

(Kuonjezerapo, gulu loonjezerapo linatenga 400 UU wa vitamini E tsiku lililonse.) Zotsatira za phunziroli zasonyeza kuti vitamini E kapena vitamini C zowonjezerapo sizinapangitse zochitika zazikulu pamaganizo a mtima, monga matenda a stroke ndi matenda a mtima.

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3) Khansa

Kwa kafukufuku wofalitsidwa mu 2009, amayi okwana 8,171 anatenga placebo kapena 500 mg ya vitamini C muwonjezera tsiku ndi tsiku (komanso vitamini E ndi beta carotene tsiku lililonse) kwa zaka 9,4. Zotsatira zaphunziro zinasonyeza kuti kuwonjezera pa vitamini C, vitamini E, kapena beta carotene sizinathandize kupewa khansa.

Kuwonjezera apo, phunziro la 2008 lomwe likuphatikizapo amuna ndi abambo 77,721 (a zaka zapakati pa 50 mpaka 76) adapeza kuti kugwiritsa ntchito vitamini C zowonjezera nthawi yaitali sikunachepetse chiopsezo cha khansa ya m'mapapo. Ndipo mu 2004 kafukufuku wa maphunziro 14 okhudza antioxidant supplements ndi kupewa mimba za khansa - kuphatikizapo mayesero anayi okhudzana ndi vitamini C owonjezera - osakafukufuku sadapeze umboni wosonyeza kuti antioxidant zowonjezereka zimalepheretsa m'mimba kuchepetsa ubongo.

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Mipango

Ngakhale kuti vitamini C nthawi zambiri imakhala yotetezeka, mlingo waukulu ukhoza kuwonetsa mavuto ambiri, kuphatikizapo impso, kutsekula m'mimba, ndi kutsekemera. Kuonjezera apo, phunziro la 2008 likusonyeza kuti kutenga vitamini C kupatsirana pa nthawi ya khansa kungachepetse mphamvu ya mankhwala enaake .

Zakudya sizinayesedwe kuti zikhale zotetezeka komanso chifukwa chakuti zakudya zowonjezera zakudya zimakhala zosavomerezeka, zomwe zilipo zingakhale zosiyana ndi zomwe zafotokozedwa palemba. Komanso kumbukirani kuti chitetezo cha mankhwala opatsirana mwa amayi apakati, amayi oyamwitsa, ana, ndi omwe ali ndi matenda kapena omwe akumwa mankhwala sanakhazikitsidwe.

Mukhoza kupeza zowonjezera zowonjezera zogwiritsa ntchito mankhwala owonjezera.

Kugwiritsira ntchito vitamini C kwa thanzi

Chifukwa chosowa chithandizo cha sayansi kuti phindu la vitamini C lipindule, nkofunika kuti musadalire mankhwala a vitamini C monga mankhwala akuluakulu pa matenda alionse. Kuti mupeze vitamini C tsiku lililonse, yang'anani koyambirira kwa zakudya monga citrus, strawberries, tomato, tsabola, masamba a masamba, ndi cantaloupe.

Ngati mukuyang'ana kuti mukhale ndi matenda enaake kapena mavitamini C othandizira - kaya mukhale ndi zakudya zotani - onetsetsani kuti mufunsane ndi dokotala wanu musanayambe kulembetsa mankhwala. Kumbukirani kuti mankhwala ena osayenera sayenera kugwiritsidwa ntchito m'malo mwa chisamaliro choyenera. Kudzisamalira komanso kupewa kapena kuchepetsa kusamalidwa kosatha kungakhale ndi zotsatira zoopsa.

Zotsatira:

Bjelakovic G, Nikolova D, Simonetti RG, Gluud C. "Antioxidant zowonjezerapo kuti zisawononge m'mimba za khansa." Database ya Cochrane Rev. 2004 18; (4): CD004183.

Douglas RM, Hemilä H, Chalker E, Treacy B. "Vitamini C pofuna kupewa ndi kuchiza chimfine." Msonkhano wa Cochrane Rev Rev 2007 18; (3): CD000980.

Heaney ML, Gardner JR, Karasavvas N, Golde DW, Scheinberg DA, Smith EA, O'Connor OA. "Vitamini C imatsutsana ndi zotsatira za cytotoxic za mankhwala osokoneza bongo." Khansa Res. 2008 1; 68 (19): 8031-8.

Lin J, Cook NR, Albert C, Zaharris E, Gaziano JM, Van Denburgh M, Buring JE, Manson JE. "Mavitamini C ndi E ndi beta carotene supplementation ndi ngozi ya khansa: kuyesedwa kosagwiritsidwa ntchito mosavuta." J Natl Cancer Inst. 2009 7; 101 (1): 14-23.

Chikumbutso cha Memorial Sloan-Kettering Cancer Center. Za zitsamba: Vitamini C. February 2009.

National Institutes of Health. "Vitamini C (ascorbic acid): MedlinePlus Medical Encyclopedia". March 2010.

National Institutes of Health. Vitamini C (ascorbic acid): MedlinePlus Supplements ". August 2009.

Sesso HD, Buring JE, Christen WG, Kurth T, Belanger C, MacFadyen J, Bubes V, Manson JE, Glynn RJ, Gaziano JM. "Mavitamini E ndi C poletsa matenda a mtima mwa amuna: Physicians 'Health Study II nthawi zonse ankayesedwa." JAMA. 2008 12; 300 (18): 2123-33.

Slatore CG, Littman AJ, Au DH, Satia JA, White E. "Kugwiritsiridwa ntchito kwa nthawi yaitali kwa multivitamins, vitamini C, Vitamini E, ndi mankhwalawa sachepetsa chiopsezo cha khansa ya m'mapapo." Am J Respir Amatsutsa Care Med. 2008 1; 177 (5): 524-30.