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SPORCULARDA C VİTAMİNİ ALIMININ VE AKUT EGZERSİZİN PLAZMA LİPİD DEĞERLERİ ÜZERİNE ETKİSİNİN ARAŞTIRILMASI

EFFECTS OF VİTAMİN C AND ACUTE EXERCISE ON PLASMA LIPIDS

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Abstract (2. Language): 
Today exercise is used in most of the cardiovasculer rehabilitation units. The positive effect of exercise in preventing cardiovasculer disease is believed to be due to the increase in plasma HDL levels. Vitamin C was reported by some authors as an agent which increses the plasma HDL levels. However there are only a few investigations on this issue in the literature. The aim of the present investigation was to evaluate the effects of exercise and vitamin C on plasma lipid levels. The subjects consists of thes study were 9 active sportsmen with the average age of 22.1 years. All the subjects exercised for one hour on a cycle ergometer at an intensity of individual (% 75 max VO2 level) and blood samples were obtained before and just after the acute exercise. Subjects were given with vitamin C (2 gr. per day) for three months and same procedures were repeated. As a result plasma total cholesterol (TC) and high dansity lipoprotein HDL levels increased due to the acute exercise. After loading with vitamin C significant increase was observed only in the plasma HDL level (p<0.05). Trigliserid (TG), TC, HDL, very low dansity lipoprotein (VLDL) levels were found to be increased in the C vitamin loaded group following the acute exercise (p<0.05). No significant difference was observed between the two groups following the acute exercisein terms of blood lipids parameters
Abstract (Original Language): 
Günümüz kardiyovasküler hastalıkların tedavisinde ve korunmada egzersiz yaygın olarak kullanılmaktadır. Egzersizin bu olumlu etkisinin plazma yüksek dansiteli lipprotein (HDL) düzeyini artırmasından kaynaklandığı bazı araştırıcılarca belirtilmektedir. C vitaminin de plazma HDL düzeyi üzerine olumlu katkıları olduğuna dair görüşler vardır ancak bu konu tam olarak açıklığa kavuşmamıştır. Bu çalışma egzersiz ve C vitamininin plasma lipidleri üzerindeki etkisinin incelenmesini amaçlamıştır. Çalışma materyali sporla uğraşan, yaş ortalamaları 22.1 olan 9 erkek sporcudan alınan venöz kan örneklerinden oluşmuştur. Bireyler %75 max VO2 seviyesinde bir saat süre ile bisiklet ergometresinde eğzersize tabi tutulmuş, venöz kan örnekleri egzersiz öncesi ve egzersizden hemen sonra alınmıştır. Deneklere günde 2 g doz olarak üç hafta süre ile C vitamini yüklemesi yapılmış ve aynı işlemler üç hafta sonunda tekrarlanmıştır. Sonuç olarak akut egzersize bağlı olarak total kolesterol (TC) ve HDL düzeyinde istatistiksel olarak anlamlı artış bulunmuştur (p<0.01) C vitamini yüklemesini takiben yapılan akut egzersiz sonucu ise tiglise-rid (TG), TC, HDL ve çok düşük dansiteli lipopretein (VLDL) düzeylerinde istatistiksel olarak anlamlı artış bulunmuştur (p<0.05). Üç haftalık C vitamini alımı sonucu ise yalnızca HDL düzeyinde anlamlı artış saptanmıştır (p<0.05). C vitamini yüklemesi öncesi ve sonrası akut egzersiz sonuçları karşılaştırıldığında ise kan lipid parametreleri açısından anlamlı bir fark bulunamamıştır.

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