The Anti-Fatigue Function of Pine Pollen
Paper Title: Anti-fatigue Function of Pine Pollen. Liu Xie (2004) Chinese Journal of Biochemical Pharmaceutics, CDC, Jiangsu Province, China.
This research was done to evaluate the influence of Pine Pollen on the swimming time of mice, a common method of assessing fatigue and stress in the laboratory. Researcher Liu fed Pine Pollen to the mice in dosages of 100, 500, and 1000mg/kg, and then tested the loaded swimming time of each group as well as the blood content of lactic acid, hepatic glycogen, and urea nitrogen after 30 days of feeding.
The results demonstrate that Pine Pollen greatly extended the swimming time of the weight-loaded mice (P<0.01) and greatly decreased the post exercise content of blood lactic acid and urea nitrogen (P<0.05 , P<0.01). Furthermore, Pine Pollen was shown to positively influence the content of hepatic glycogen (P<0.01). These tests conclude the anti-fatiguing effect of Pine Pollen.
Research has shown that an increase in skeletal muscle free radicals and other forms of reactive oxygen caused by exercise is one of the important factors resulting in skeletal muscle damage and fatigue.
Antioxidant supplements can effectively inhibit this change and improve exercise performance, which has pushed the significance of antioxidants in exercise nutrition. Pine Pollen is rich in large amounts of the antioxidants vitamin E, beta-carotene, the microelement selenium, and various flavonoids, which play an important role in eliminating the free radicals caused by exercise.
In particular, selenium helps the synthesis of glutathione peroxidase (GSH-Px) (an enzyme family with peroxidase activity whose main biological role is to protect the organism from oxidative damage). Vitamin E and selenium work together to protect the body from damage caused by free radicals, reduce lipid peroxidation, and keep the structure and function of skeletal muscle, the myocardium, and other organs.
Beta-carotene is currently known as the strongest single oxygen scavenger, which could alleviate the degree of lipid peroxide reaction. Pine Pollen contains rich antioxidant ingredients that can decrease the concentration of free radicals after exercise and then alleviate the damage from free radicals, thus slowing down fatigue post exercise.
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