I came across this whilst doing a bit of research and a few recent natural products that have become flavour of the month are listed along with a few others on this link .
http://en.wikipedia.org/wiki/List_of_antioxidants_in_food
Effects of Antioxidants on lactic acid are signifigant and usefull to birds for racing. Different antioxidants scavenge different free radicals. There are antioxidants classified as water-based and those classified as oil-based. It is important to consume both types because they target different free radicals. For example, an oil-based free radical might attack the membrane of your cell because the cell wall is made up of fat. Remember, oil and water don’t mix.So, in order to protect your cell against these types of free radicals, you need oil-based antioxidants. On the other hand, there may be a water-based free radical in your bloodstream ready to attack one of your blood cells.Only a water-based antioxidant can keep this from happening.There are also antioxidants that work directly and those that work indirectly. You need both.Direct antioxidants, such as vitamins C and E, neutralize free radicals. In this process, a direct antioxidant binds to a free radical, rendering it harmless and protecting cells from damage. Once the direct antioxidant reacts with a radical, the antioxidant is destroyed and cannot be effective again.Indirect antioxidants work as catalysts. They do not neutralize free radicals directly, but rather boost the body's own antioxidant systems. This gives them a broad range of activity, cycling over and over again, that removes many free radicals. This group of antioxidants stands ready to neutralize free radicals over a period of time. They continue to be effective even after the indirect antioxidants have left the body.