Tenuifoliose B is an oligosaccharide and can be isolated from Polygala tenuifolia. Tenuifoliose B exhibits neuroprotective activity against glutamate and serum deficiency[1].
References
[1] Chuang-Jun L I, et al. Triterpenoid Saponins and Oligosaccharides from the roots of Polygala tenuifolia Willd[J]. Chinese journal of natural medicines, 2011, 9(5): 321-328.
