23.05.2026 21:32<\/p>\n\n\n\n
Fransa\u2019da ger\u00e7ekle\u015ftirilen kapsaml\u0131 bir bilimsel \u00e7al\u0131\u015fma, haz\u0131r ve paketli \u00fcr\u00fcnlerde s\u0131k kullan\u0131lan baz\u0131 g\u0131da koruyucular\u0131n\u0131n kalp-damar sa\u011fl\u0131\u011f\u0131 \u00fczerinde olumsuz etkiler yaratabilece\u011fine i\u015faret etti. Ara\u015ft\u0131rmaya g\u00f6re, bu katk\u0131 maddelerine yo\u011fun \u015fekilde maruz kalan ki\u015filerde y\u00fcksek tansiyon, kalp krizi ve fel\u00e7 gibi ciddi sa\u011fl\u0131k sorunlar\u0131n\u0131n g\u00f6r\u00fclme ihtimali daha y\u00fcksek olabilir. \u00c7al\u0131\u015fmada ayr\u0131ca kamuoyunda \u201cdo\u011fal\u201d ve g\u00fcvenli olarak bilinen baz\u0131 antioksidan koruyucular\u0131n da risk art\u0131\u015f\u0131yla ba\u011flant\u0131 g\u00f6sterebildi\u011fi vurguland\u0131.<\/strong><\/p>\n\n\n\n Fransa\u2019da yap\u0131lan yeni bir ara\u015ft\u0131rmaya g\u00f6re, market \u00fcr\u00fcnlerinde bakteri ve k\u00fcf olu\u015fumunu engellemek i\u00e7in kullan\u0131lan yayg\u0131n koruyucular, y\u00fcksek tansiyon riskinde y\u00fczde 29, kalp krizi ve fel\u00e7 riskinde ise y\u00fczde 16 art\u0131\u015fla ili\u015fkilendirildi.<\/p>\n\n\n\n CNN International’\u0131n haberine g\u00f6re; ara\u015ft\u0131rma, renk de\u011fi\u015fimini \u00f6nlemek amac\u0131yla kullan\u0131lan sitrik asit ve askorbik asit (C vitamini) gibi \u201cdo\u011fal\u201d antioksidan koruyucular\u0131n da daha fazla t\u00fcketildi\u011finde y\u00fcksek tansiyon riskini y\u00fczde 22 art\u0131rd\u0131\u011f\u0131n\u0131 ortaya koydu.<\/p>\n\n\n\n Bu maddeler meyve gibi besinlerde do\u011fal olarak bulunsa da, ara\u015ft\u0131rman\u0131n k\u0131demli yazar\u0131 Mathilde Touvier\u2019e g\u00f6re koruyucu olarak kullan\u0131ld\u0131klar\u0131nda \u201ctam anlam\u0131yla do\u011fal\u201d say\u0131lm\u0131yor.<\/p>\n\n\n\n Paris\u2019teki Fransa Ulusal Sa\u011fl\u0131k ve T\u0131bbi Ara\u015ft\u0131rma Enstit\u00fcs\u00fc\u2019nde ara\u015ft\u0131rma direkt\u00f6r\u00fc olarak g\u00f6rev yapan Touvier, \u201cDo\u011fal olarak bulunan askorbik asit ile sonradan eklenen, kimyasal yollarla \u00fcretilmi\u015f askorbik asidin sa\u011fl\u0131k \u00fczerindeki etkileri farkl\u0131 olabilir\u201d dedi.<\/p>\n\n\n\n Touvier, \u201cBu nedenle burada g\u00f6zlemlenen sonu\u00e7lar, meyve ve sebzelerde do\u011fal olarak bulunan maddeler i\u00e7in ge\u00e7erli de\u011fil\u201d ifadelerini kulland\u0131.<\/p>\n\n\n\n Ara\u015ft\u0131rma, ultra i\u015flenmi\u015f g\u0131dalardaki farkl\u0131 katk\u0131 maddelerinin kalp-damar hastal\u0131\u011f\u0131 riskinde nas\u0131l rol oynayabilece\u011fine dair yeni veriler sundu. \u00c7al\u0131\u015fmaya dahil olmayan \u0130ngiliz Kalp Vakf\u0131\u2019n\u0131n beslenme lideri Tracy Parker, bulgular\u0131n Avrupa Kardiyoloji Derne\u011fi\u2019nin ultra i\u015flenmi\u015f g\u0131dalar\u0131 \u201ck\u00fcresel bir halk sa\u011fl\u0131\u011f\u0131 sorunu\u201d olarak tan\u0131mlayan son g\u00f6r\u00fc\u015fleriyle \u00f6rt\u00fc\u015ft\u00fc\u011f\u00fcn\u00fc s\u00f6yledi.<\/p>\n\n\n\n Ultra i\u015flenmi\u015f g\u0131dalar daha \u00f6nce kalp-damar hastal\u0131klar\u0131na ba\u011fl\u0131 \u00f6l\u00fcm riskinde yakla\u015f\u0131k y\u00fczde 50 art\u0131\u015f, obezite riskinde y\u00fczde 55 y\u00fckseli\u015f, uyku bozukluklar\u0131nda y\u00fczde 41 art\u0131\u015f ve tip 2 diyabet geli\u015fiminde y\u00fczde 40 art\u0131\u015fla ili\u015fkilendirilmi\u015fti. Obezite, diyabet ve k\u00f6t\u00fc uyku d\u00fczeni ise kalp sa\u011fl\u0131\u011f\u0131yla yak\u0131ndan ba\u011flant\u0131l\u0131 kabul ediliyor.<\/p>\n\n\n\n Parker, \u201cBu \u00e7al\u0131\u015fma, ultra i\u015flenmi\u015f g\u0131dalar\u0131 tek bir kategori olarak ele almak yerine, belirli koruyucular\u0131 ayr\u0131 ayr\u0131 inceleyen ilk b\u00fcy\u00fck ara\u015ft\u0131rmalardan biri\u201d dedi.<\/p>\n\n\n\n Parker \u201cUltra i\u015flenmi\u015f g\u0131dalar uzun s\u00fcredir y\u00fcksek \u015feker, tuz ve ya\u011f i\u00e7erikleri nedeniyle endi\u015fe yarat\u0131yordu. Ancak bu fakt\u00f6rler tek ba\u015f\u0131na neden besin profillerinin \u00f6tesinde daha zararl\u0131 g\u00f6r\u00fcnd\u00fcklerini tam olarak a\u00e7\u0131klayam\u0131yordu. Bu bulgular, o bo\u015flu\u011fun bir k\u0131sm\u0131n\u0131 dolduruyor\u201d ifadelerini kulland\u0131.<\/p>\n\n\n\n Ancak Touvier ve ekibinin daha \u00f6nce yapt\u0131\u011f\u0131 ara\u015ft\u0131rmalar, insanlar\u0131n t\u00fcketti\u011fi koruyucu i\u00e7eren g\u0131dalar\u0131n yaln\u0131zca y\u00fczde 35\u2019inin ultra i\u015flenmi\u015f \u00fcr\u00fcnlerden olu\u015ftu\u011funu ortaya koymu\u015ftu. Bu da koruyucular\u0131n g\u00fcnl\u00fck beslenmede olduk\u00e7a yayg\u0131n oldu\u011funu g\u00f6steriyor.<\/p>\n\n\n\n Ara\u015ft\u0131rman\u0131n ba\u015fyazar\u0131 ve Universite Sorbonne Paris Nord\u2019da doktora \u00f6\u011frencisi olan Anais Hasenb\u00f6hler, \u201cSorunu \u00e7\u00f6zmek i\u00e7in tamamen \u00e7\u0131kar\u0131lmas\u0131 gereken tek bir g\u0131da grubu yok\u201d dedi.<\/p>\n\n\n\n Hasenb\u00f6hler, \u201cBu sonu\u00e7lar t\u00fcketicilerin i\u015flenmemi\u015f veya minimum d\u00fczeyde i\u015flenmi\u015f g\u0131dalar\u0131 tercih etmesi y\u00f6n\u00fcndeki tavsiyeleri destekliyor\u201d ifadelerini kulland\u0131.<\/p>\n\n\n\n Uzmanlar, taze ve i\u015flenmemi\u015f \u00fcr\u00fcnlerin tercih edilmesini \u00f6nerirken, h\u0131zl\u0131 t\u00fcketim i\u00e7in ise katk\u0131 maddeleri yerine d\u00fc\u015f\u00fck s\u0131cakl\u0131kla korunan dondurulmu\u015f \u00fcr\u00fcnlerin daha iyi bir se\u00e7enek olabilece\u011fini belirtti.<\/p>\n\n\n\n European Heart Journal dergisinde yay\u0131mlanan ara\u015ft\u0131rma, 15 ya\u015f \u00fczerindeki 112 binden fazla ki\u015finin kalp-damar sa\u011fl\u0131\u011f\u0131 \u00fczerindeki 58 farkl\u0131 koruyucunun etkisini inceledi.<\/p>\n\n\n\n Kat\u0131l\u0131mc\u0131lar\u0131n tamam\u0131, 2009\u2019dan bu yana Fransa genelinde g\u00f6n\u00fcll\u00fclerin beslenme al\u0131\u015fkanl\u0131klar\u0131n\u0131 takip eden NutriNet-Sante \u00e7al\u0131\u015fmas\u0131na dahil edildi.<\/p>\n\n\n\n Ara\u015ft\u0131rmaya kat\u0131lan ki\u015filer, her alt\u0131 ayda bir \u00fc\u00e7 g\u00fcn boyunca t\u00fckettikleri t\u00fcm yiyecek ve i\u00e7ecekleri marka isimleriyle kaydetti. Ara\u015ft\u0131rmac\u0131lar da \u00fcr\u00fcn i\u00e7eriklerini inceleyerek koruyucu t\u00fcketim d\u00fczeylerini y\u0131llar i\u00e7indeki sa\u011fl\u0131k verileriyle kar\u015f\u0131la\u015ft\u0131rd\u0131.<\/p>\n\n\n\n Kat\u0131l\u0131mc\u0131lar\u0131n en az y\u00fczde 10\u2019u taraf\u0131ndan t\u00fcketilen 17 koruyucu detayl\u0131 \u015fekilde incelendi ve bunlardan sekizinin \u00f6n\u00fcm\u00fczdeki 10 y\u0131l i\u00e7inde y\u00fcksek tansiyonla ili\u015fkili oldu\u011fu g\u00f6r\u00fcld\u00fc.<\/p>\n\n\n\n Bunlardan \u00fc\u00e7\u00fc (potasyum sorbat, potasyum metabis\u00fclfit ve sodyum nitrit) \u201cantioksidan olmayan\u201d koruyucular aras\u0131nda yer al\u0131yor. Bu maddeler g\u0131dalarda bozulmaya yol a\u00e7an bakteri, k\u00fcf ve mayalar\u0131 \u00f6ld\u00fcrmek i\u00e7in kullan\u0131l\u0131yor.<\/p>\n\n\n\n Potasyum sorbat genellikle \u015farap, f\u0131r\u0131n \u00fcr\u00fcnleri, peynir ve soslarda kullan\u0131l\u0131rken; \u00e7\u00f6z\u00fcld\u00fc\u011f\u00fcnde k\u00fck\u00fcrt dioksit a\u00e7\u0131\u011fa \u00e7\u0131karan potasyum metabis\u00fclfit \u015farap, meyve suyu, bira ve di\u011fer fermente i\u00e7eceklerde bulunuyor. Sodyum nitrit ise past\u0131rma, jambon ve \u015fark\u00fcteri \u00fcr\u00fcnleri gibi i\u015flenmi\u015f etlerde yayg\u0131n olarak kullan\u0131l\u0131yor.<\/p>\n\n\n\n Baz\u0131 uzmanlara g\u00f6re nitratlar ve s\u00fclf\u00fcr bazl\u0131 bile\u015fiklerin k\u0131rm\u0131z\u0131 ve i\u015flenmi\u015f etlerde bulunmas\u0131 nedeniyle bu sonu\u00e7 \u015fa\u015f\u0131rt\u0131c\u0131 de\u011fil. \u00c7\u00fcnk\u00fc bu g\u0131dalar zaten kalp hastal\u0131\u011f\u0131 riskini art\u0131rmalar\u0131yla biliniyor.<\/p>\n\n\n\n \u00c7al\u0131\u015fmaya dahil olmayan \u0130ngiltere Reading \u00dcniversitesi G\u0131da ve Beslenme Bilimleri Profes\u00f6r\u00fc Gunter Kuhnle ise koruyucular\u0131n g\u0131da sisteminde \u00f6nemli bir rol oynad\u0131\u011f\u0131n\u0131 vurgulad\u0131.<\/p>\n\n\n\n Kuhnle, \u201cKoruyucular yaln\u0131zca g\u0131da kaynakl\u0131 hastal\u0131klar\u0131 \u00f6nlemekle kalm\u0131yor; bozulmay\u0131 engelliyor, g\u0131da israf\u0131n\u0131 azalt\u0131yor ve raf \u00f6mr\u00fcn\u00fc uzat\u0131yor\u201d dedi.<\/p>\n\n\n\n Ara\u015ft\u0131rmada y\u00fcksek tansiyonla ili\u015fkilendirilen di\u011fer koruyucular aras\u0131nda askorbik asit, sodyum askorbat, sodyum eritrobat, sitrik asit ve biberiye \u00f6zleri yer ald\u0131. Bu maddeler, yiyeceklerin kahverengile\u015fmesini ve bozulmas\u0131n\u0131 \u00f6nlemek amac\u0131yla kullan\u0131lan \u201cdo\u011fal\u201d antioksidan koruyucular olarak biliniyor.<\/p>\n\n\n\n Ara\u015ft\u0131rma ayr\u0131ca C vitamini olarak bilinen askorbik asidin de do\u011frudan kalp-damar hastal\u0131klar\u0131yla ba\u011flant\u0131l\u0131 oldu\u011funu ortaya koydu.<\/p>\n\n\n\n Touvier ve ekibinin daha \u00f6nce yapt\u0131\u011f\u0131 iki ayr\u0131 \u00e7al\u0131\u015fma da benzer koruyucular\u0131n kanser ve tip 2 diyabet riskini art\u0131rd\u0131\u011f\u0131n\u0131 g\u00f6stermi\u015fti.<\/p>\n\n\n\n Sodyum nitrit, potasyum nitrat, sorbatlar, potasyum metabis\u00fclfit, asetatlar ve asetik asit gibi alt\u0131 koruyucunun prostat kanseri, meme kanseri ve genel kanser riskini y\u00fczde 32\u2019ye kadar art\u0131rd\u0131\u011f\u0131 belirlendi.<\/p>\n\n\n\n Ayn\u0131 koruyucular\u0131n b\u00fcy\u00fck b\u00f6l\u00fcm\u00fc tip 2 diyabet geli\u015fme riskini de y\u00fczde 49 oran\u0131nda y\u00fckseltti.<\/p>\n\n\n\n Ara\u015ft\u0131rma g\u00f6zlemsel oldu\u011fu i\u00e7in do\u011frudan neden-sonu\u00e7 ili\u015fkisi kurulamasa da uzmanlar \u00e7al\u0131\u015fman\u0131n ya\u015f, v\u00fccut kitle indeksi, sigara kullan\u0131m\u0131, fiziksel aktivite ve genel beslenme gibi sa\u011fl\u0131k \u00fczerinde etkili olabilecek bir\u00e7ok fakt\u00f6r\u00fc dikkate ald\u0131\u011f\u0131n\u0131 belirtti.<\/p>\n\n\n\n Ara\u015ft\u0131rmaya dahil olmayan ve bilimsel ara\u015ft\u0131rmalardaki y\u00f6ntemsel yakla\u015f\u0131m\u0131yla bilinen Cochrane Collaboration\u2019\u0131n y\u00f6ntem destek birimi y\u00f6neticisi Rachel Richardson, \u00e7al\u0131\u015fman\u0131n beslenme verilerini toplama ve y\u00fcksek tansiyon ile kalp-damar hastal\u0131klar\u0131n\u0131 belirleme y\u00f6ntemlerinin g\u00fc\u00e7l\u00fc y\u00f6nleri aras\u0131nda oldu\u011funu s\u00f6yledi.<\/p>\n\n\n\n Richardson, \u201cNedensellik kan\u0131tlanamasa da sonu\u00e7larda daha fazla ara\u015ft\u0131rmay\u0131 gerektiren \u00f6nemli sinyaller bulunuyor\u201d dedi.<\/p>\n\n\n\nTEHL\u0130KE YALNIZCA ULTRA \u0130\u015eLENM\u0130\u015e \u00dcR\u00dcNLERLE SINIRLI DE\u011e\u0130L<\/h2>\n\n\n\n
UZMANLARI \u015eA\u015eIRTAN SONU\u00c7: \u201cDO\u011eAL\u201d KORUYUCULAR DA R\u0130SKLE BA\u011eLANTILI<\/h2>\n\n\n\n
ARA\u015eTIRMALAR UYARDI: BAZI KORUYUCULAR KANSER VE D\u0130YABET R\u0130SK\u0130YLE \u0130L\u0130\u015eK\u0130LEND\u0130R\u0130L\u0130YOR<\/h2>\n\n\n\n