title: A flavone glycoside from Andrographis alata.
abstract: A new flavone glycoside, echioidinin 5-glucoside along with its known aglycone, echioidinin have been isolated from the whole plant of Andrographis alata. The structure of the new compound was established as 5,2'-dihydroxy-7-methoxyflavone 5-O-beta-D-glucopyranoside on the basis of spectral and chemical studies.
authors.affiliation: Natural Products Division, Department of Chemistry, Sri Venkateswara University, -517 502, Tirupati, India
authors.forename: A G.
authors.initials: AG
authors.lastname: Damu
authors.forename: B
authors.initials: B
authors.lastname: Jayaprakasam
authors.forename: K V.
authors.initials: KV
authors.lastname: Rao
authors.forename: D
authors.initials: D
authors.lastname: Gunasekar