Simmental ırkı sığırlardan elde edilen sütlerde antioksidan aktivitelerin belirlenmesi

Öz

Son yıllarda sağlık üzerine olumlu etkileri olan biyoaktif bileşenleri içeren gıdalara olan talep giderek artmaktadır .  Süt bu gıda maddeleri arasındadır.  Süt, hastalık risklerini azaltıcı ya da önleyici nitelikte antioksidan bileşenlerini de yapısında bulundurmaktadır.  Proteinler, vitaminler (E ve C), retinol, beta karoten, glutatyon (GSH), katalaz (CAT), süperoksit dismutaz (SOD) ve glutatyon peroksidaz (GSH-Px) gibi birçok biyoaktif bileşen sütün antioksidan aktivitesini oluşturmaktadır.  Bu çalışmada Tunceli ilinde satılan sütlerin GSH düzeyi ile GSH-Px, SOD ve CAT aktivitelerinin araştırılması amaçlanmıştır.  Araştırma örnekleri Tunceli ili merkez ilçesinde satılan sütlerden elde edilmiştir. Elde edilen süt parametrelerine ait veriler, süt sığırları için rapor edilen seviyeler ile tutarlı bulunmuştur.

Anahtar Kelimeler

• Süt,antioksidan,glutatyon,glutatyon peroksidaz,katalaz

Determination of antioxidant activities in milks obtained from simmental breed of cattle

Öz

In recent years there has been an increasing demand for foods containing bioactive compounds that have positive effects on health.  Milk is among these foodstuffs.  Milk also contains antioxidant compounds that reduce or prevent the risk of various diseases.  Many bioactive compounds such as proteins, vitamins (E and C), retinol, beta carotene, glutathione (GSH), catalase (CAT), superoxide dismutase (SOD) and glutathione peroxidase (GSH-Px) form antioxidant activity in milk.  In this study, it was aimed to investigate the GSH level, GSH-Px, SOD and CAT activities in milk which was obtained from Simmental breed of cattle and raised in Tunceli province.  For this purpose, milk samples were obtained from the enterprises producing milk of simmental breed of cattle at the central district of Tunceli province.  The data on the milk parameters we obtained were found to be consistent with the levels reported for dairy cattle.

Anahtar Kelimeler

• Milk,antioxidant,glutathione,glutathione peroxidase,catalase

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