The water-soluble guanosine in Pinellia ternata cultivated is similar to that in Pinellia ternata wiled.

• 从水溶性成分鸟嘌呤核苷的含量看,种植半夏质量并不比野生半夏质量差;半夏在炮制过程中水溶性成分有所损失。