Tissue Culture and High-efficiency Plant Regeneration of Arctium lappa Dyuamical studies on metabolic chemistry of ligan from seeds of Arctium lappa Studies on DNA fingerprinting of Arctium lappa from different localities Identification of the Chinese Drug Great Burdock (Arct ium lappa)Seed and Its Substitutes by RAPD and TLC Study on Metabolism in Arctium lappa L.at the Primary Stage of Germination Effect of aqueous extract from roots of Arctium lappa on vascular remolding in hypertensive rats Study on condition for extraction of arctiin from fruits of Arctium lappa using supercritical fluid extraction Study on correlation between ITS sequence of Arctium lappa and quality of Fructus Arctii Flavonoid glycoside compounds from roots of Arctium lappa and structure-activity relationship of anti-oxidantion Caffeic acids from roots of Arctium lappa and their neuroprotective activity