Kan.tutan (Paederia foetida) is a species of plant commonly known as Skunk Vine. It is known for the strong odour exuded when its leaves or stems are crushed or bruised. Paederia foetida is a member of the genus Paederia. It is native to Asia. Also known as Kantutak, Kan.totai, Taitai.
The name derives from the distinct odor of carbon bisulphide when the leaves are crushed. Leaves are ovate to oblong-ovate, 6 to 10 cm long, 3.5 to 5 cm wide, pointed at the tip, rounded or slightly heart-shaped at the base. Flowers are stalkless, in axiallary, lax, peduncled inflorescences. Corolla is about 1 cm long, cylindrical, pale purple to white outside, deep purple and villous inside; limb is spreading with 5 undulate lobes. Fruit is rounded, about 5 mm diameter. Upon distillation, a volatile oil is obtained with the offensive odor of the fresh crushed leaves. Two alkaloids are obtained: a- and b-Paederine.
The leaves yield an indole. Leaves are rich in carotene and vitamin C. Considered anodyne, emollient, carminative, tonic, stomachic, vermifuge.
Study showed P. foetida has antidiarrheal activity by inhibiting intestinal motility supporting its use in traditional medicine. Decoction of leaves is used for antirheumatic baths and is also used for urinary retention and for urinary bladder stones.