The effect of RES, Ova-induced asthma, and their combination on lung vascular leak by Evans blue dye in adult male rats * P<0.05 is the statistical threshold for group differences. A: Amount of Evans blue stain in the lung. B: Concentration of Evans blue stain in the liver. G1: rats received only drinking water, G2: Rats orally received resveratrol 100 mg/kg, G3: Rats were induced asthma, G4: Rats received both resveratrol and induced asthma.