Physiological Role of L-Ascorbic Acid in Rats Exposed to Cigarette Smoke
KURATA, Tadao | Suzuki, Emiko | HAYASHI, Mizuki | KAMINAO, Mami
This study clarifies the effect of exposure to cigarette smoke on L-ascorbic acid (AsA) metabolism and on the activities of drug-metabolizing enzymes. Male Wistar rats were used. The test rats (group T) were exposed to sidestream smoke from cigarette for 2 h every day for 25 days. During the experimental period, the excreted amount of AsA in the urine from group T was higher than that from the control group (group C). At the end of the experimental period, the AsA content of the plasma and tissues, the liver cytochrome P-450 content and the activities of drug-metabolizing enzymes in group T were each higher than those in group C.
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