Charus Changchit

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Plasma levels of vitamins A, C, and E, selenium, and carotenes were determined in 125 male cigarette smokers and 125 age- and race-matched nonsmokers. The smokers had a mean daily consumption of 30.6 cigarettes and a cumulative consumption of 22.8 pack years. Plasma levels of vitamin C and total carotenes were significantly (p less than 0.05) lower in(More)
A method has been developed to measure malondial-dehyde (MDA) in biological systems. MDA was reacted with 2-thiobarbituric acid (TBA) in the presence of butylated hydroxytoluene (BHT) to minimize formation of artifacts. Initial separation of the TBA-MDA adduct was accomplished by isobutanol extraction. Further elimination and separation of interfering(More)
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