TRIBONEMA (Xanthophyceae/Tribonemataceae)

STEROIDS: hecogenin, neohecogenin glucoside, tribulosin. (Sap) Tomova, Gyulematova, Planta Med., 34, 188 (1978) (S) Mahato et al., J. Chem. Soc., Perkin I, 2405 (1981)

T. vestita. UNCHARACTERIZED ALKALOID: tricachnine.