Anti-pollution Effects of AP Green Tea Extracts

Inclusion Criteria: * Subjects aged 19 years or over * Subjects with discomforts related to the respiratory system by prolonged exposure to particulate matter in air pollution * Subjects who voluntarily decide to participate in this clinical study and sign the informed consent form on their own or through their representatives Exclusion Criteria: * At the screening visit, subjects who were diagnosed with acute or chronic respiratory disease and undergoing medication. * Subjects who were diagnosed with ventricular associated disease, unstable and uncontrolled chronic medical disease, or active malignant tumor and undergoing medication within 4 weeks prior to the first administration of the investigational product * Subjects who show a level of ALT/AST of 2 times or more the upper limit of normal as a result of a screening test and have acute or chronic hepatitis or known liver cirrhosis * In addition to the above, subjects who are determined to be ineligible to participate in the clinical study according to the investigator's medical opinion