Natural antioxidants are abundant in food and medicinal plants. These natural antioxidants, particularly polyphenols carotenoids, have numerous biological effects, including anti-inflammatory, anti-aging, anti-atherosclerosis, anticancer properties. To examine potential cancer prevention agent sources advance their utilization useful varieties, drugs, added substances, it is fundamental for sep...

BACKGROUND Older persons are at risk of both poor nutrition and increased oxidative stress. Plasma ascorbate concentrations fall with increasing age, and concentrations of other antioxidants may also be reduced. OBJECTIVE The goal was to examine the association between antioxidants and mortality in older persons. DESIGN We randomly selected persons aged 75-84 y from the lists of 51 British ...

Antioxidant properties of mono- and dihydroxyphenolic acids and their alkyl esters were examined, with emphasis on the relationship between their molecular structure and antioxidant activity. Test media with different tocopherol level were used for determining the oxidative stability: original refined sunflower oil (total tocopherols 149.0 mg/kg), partially tocopherol-stripped sunflower oil (to...

the aim of this investigation was to assess the effect of different antioxidants on the motility andmembrane integrity of the ram semen during storage at 5ºc for 0, 12, 24, 48 and 72 hrs after collection anddilution. a total of 57 ejaculates from 12 bakhtiary rams was collected by artificial vagina and were extended1 : 3 with egg yolk-citrate buffer, which was containing one of the following an...