Menispermi Rhizoma (Chinese name Bei Dougen) is the dried rhizoma of Menispermum dauricum DC.. In the record of Chinese Pharmacopoeia (2010), it has used in treating swollen sore throat, dysentery, rheumatism and toxic-heat. The major components in Menispermi Rhizoma, alkaloids, display diverse biological activities, including antiarrhythmic, antibacterial, anti-inflammatory, anti-hypertension, antineoplastic and inhibition of platelet aggregation, which are indicated by modern pharmacological research. We ...