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Effect of ascorbic acid on capsaicin‐induced Evans blue exudation in the rat pharynx. Ascorbic acid was administered into the oral cavity 30 min. before capsaicin application. Pretreatment with ascorbic acid (100 μg/ml) significantly inhibited the Evans blue exudation induced by capsaicin (P<0.01). Values are means±S.E. from 5–10 experiments. **P<0.01 versus capsaicin.
