Corydalis AlkaloidsCorydalis Alkaloids are categorized as natural products of the isoquinoline alkaloid type.OccurrenceCorydalis alkaloids are primarily located within the roots of Corydalis cava and various other Corydalis species.RepresentativesThe representatives of Corydalis alkaloids include d-tetrahydrocoptisine, d-canadine, and hydrohydrastinine.PropertiesCorydalis alkaloids exhibit certain narcotic and muscle-paralyzing effects. Historically, the powdered rhizomes of Corydalis alkaloid-containing plants enjoyed popularity as a vermifuge and menstrual stimulant.