Stemona japonica (Bl.) Miq

Methyl 4-O-feruloylquinate (4-O-Feruloylquinic acid methyl ester) is a natural product. Methyl 4-O-feruloylquinate can be purified from Stemona Japonica by preparative high-performance liquid chromatography. Methyl 4-O-feruloylquinate has anti-H5N1 activity with a 3% protective rate at 5 μM in MDCK cells.

Stemona tuberosa polysaccharide is a polysaccharide derived from Stemona tuberosa.

Oxystemoninine is a Stemona alkaloid of the stemonamide type, which can be isolated from the roots of Stemona tuberosa. Oxystemoninine exhibits ¹H- and ¹³C-NMR spectra similar to those of stemoninine (HY-134006).

Stemonidine is a natural Stemona alkaloid.

Stemospironine is an alkaloid that can be extracted from plants of the genus Hyacinth. Stemospironine is a cough suppressant used to control coughing. Stemospironine can be used for research on inflammatory conditions.

Gnetifolin M is a stilbene that can be isolated from the lianas of Gnetum montanum.

Sessilifoline A is a Alkaloids product that can be isolated from the roots of Stemona japonica.