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The alkaloids vincosamide and strictosamide are an important class of indole ring- containing alkaloids. They were extracted and differentiated from the root bark of Nauclea latifolia belonging to the family Rubiaceae. Both the compounds were tested for anti-HSV-2 activity for both acyclovir-sensitive and acyclovir-resistant HSV-2 strains and showed good anti-HSV-2 potential.

Vincosamide is an alkaloid from Psychotria leiocarpa extract, inhibits the acetylcholinesterase (AChE) activity with anti-inflammatory activity. Vincosamide can effect relaxation of the supercoiled pBR322 plasmid DNA in the presence of Cu2+.

ChEBI: Vincosamide is a monoterpenoid indole alkaloid.

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