An immunomodulating pectic polymer from Glinus oppositifolius

Tentative structure of the pectic polymer GOA1 isolated from Glinus oppositifolius (
-  = GalA, □ = Rha, ■ = T-Rha, ▴ = Gal involved in AG-II,  = Gal involved in AG-I, ▵ = T-Gal, ♦ = Ara, ♢ = T-Ara, ∘ = 4-O-Me GlcA/GlcA)