TY  - JOUR
T1  - Çayın Kardiyovasküler Hastalıklar Üzerine Etkisi
TT  - The Effect of Tea on Cardiovascular Diseases
AU  - Polat, Erkan
AU  - Karaman, Ayşe Demet
AU  - Öğüt, Serdal
PY  - 2020
DA  - July
DO  - 10.25308/aduziraat.658756
JF  - Adnan Menderes Üniversitesi Ziraat Fakültesi Dergisi
JO  - ADÜ ZİRAAT DERG
PB  - Aydın Adnan Menderes  Üniversitesi
WT  - DergiPark
SN  - 1304-7787
SP  - 131
EP  - 136
VL  - 17
IS  - 1
LA  - tr
AB  - Camellia sinensis yapraklarının toplanarak çeşitli işlemler yapıldıktan sonra elde edilen çay,dünyada sudan sonra en çok tüketilen içecektir. Her zaman yeşil kalan çay,yağmurlu ve ılık iklimde yetişen bir bitkidir. Çayın türleri, koparılanyaprakların farklı işlemlerden geçirilmesiyle elde edilir. Bu işlemler;fermente olan (siyah çay) ile fermente olmayanlar (beyaz ve yeşil çay) ve yarıfermente olanlar (oolong çayı) olmak üzere üç gruba ayrılır. Her çay türü,yaprakların nasıl işlendiğine, olgunlaşma sürecine, coğrafi bölgeye ve tarımsaluygulamalara bağlı olarak ayrı bir bileşime sahiptir. Yapılan epidemiyolojikçalışmalar, çay ve bileşenlerinin özellikle flavonoidlerin, kardiyovaskülersistem üzerinde koruyucu etkileri olduğunu göstermiştir. Theaflavinler,thearubiginler gibi polifenoller ve özellikle kateşinler gibi bileşenler,antioksidan etkilerden sorumludur. Bu nedenle çay hipokolesterolemik,antiaterosklerotik, antibakteriyel,antioksidatif, anti­mutajenik, antikarsinojenik, antianjiyojenik, apoptotikgibi özellikleri içerir. Yapılan çalışmalar, günde 6-10 fincan (yaklaşık960-1600 ml) çay tüketiminin kronik hastalıklardaki riski önemli orandaazalttığını göstermektedir. Bu çalışmada, çay içeriğindekiantioksidanların reaktif türlere karşı endojen savunma açısından yetersizkaldığında oksidatif stres kaynaklı hastalıkların başlangıcını ve ilerlemesiniengellemede büyük bir role sahip olduğu belirtilmiştir. Ayrıca çaydakiantioksidanların, kardiyovasküler hastalıklara karşı koruyucu etkileri ileilgili yeni bulguları araştırmak amaçlanmıştır.
KW  - antioksidan
KW  - polifenol
KW  - flavanoid
KW  - kataşin
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UR  - https://doi.org/10.25308/aduziraat.658756
L1  - https://dergipark.org.tr/tr/download/article-file/1189177
ER  -