Stems of Cassia alata have been shown to contain 1,5,7-trihydroxy-3-me
thylanthraquinone (alatinone). This is a hitherto unreported compound.
The other compounds isolated were dalbergin, 2,6-dimethoxybenzoquinon
e, santal, luteolin, beta-sitosterol and beta-sitosteryl-beta-D-glucos
ide.