Aim: To study the alkaloid constituents of the hairy roots of Ipomoea batatas Lam.
Methods: Chromatographic methods were used for isolation and purification. The structure was elucidated on the basis of spectral data.
Results: An alkaloid was isolated from the hairy roots of Ipomoea batatas.
Conclusion: The compound is a novel indole-type alkaloid, which is named as ipomine A.