Patent ID: 9655871
Date: 2017-05-23
CPC Classifications: A23L,A61K,A61P

Claim:
1. A method of treating chronic obstructive pulmonary disease (COPD) in mammals, wherein the method comprises administering a therapeutically effective amount of the purified extract with the secondary fractionation (ATC2) containing 30-60% (w/w) verproside, 0.5-10% (w/w) veratric acid, 2-20% (w/w) catalposide, 1- 10% (w/w) picroside II, 1-10% (w/w) isovanilloyl catalpol and 2-20% (w/w) 6-O-veratroyl catalpol based on the weight of total extract (100%) of Pseudolysimachion rotundum var subintegrum into the mammal suffering from chronic obstructive pulmonary disease (COPD).