Chang WL, Chiu LW, Lai JH, Lin HC. Immunosuppressive flavones and lignans from Bupleurum scorzonerifolium.
PHYTOCHEMISTRY 2003;
64:1375-1379. [PMID:
14630002 DOI:
10.1016/j.phytochem.2003.08.002]
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Abstract
Two lignans, isochaihulactone and chaihunaphthone, together with eleven known compounds were isolated from the root of Bupleurum scorzonerifolium. Their structures were established on the basis of spectral evidence. In biological testing, eugenin and saikochromone potently inhibited CD28-costimulated activation of human peripheral blood T cells.
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