The present invention discloses enriched extracts from plants of the genus Stachytarpheta comprising ipolamiide and compounds of the formulae (I), (II) and/or (III):
Such extracts could be useful to block activation of CD8+ T cells and reduce secretion of IFNgamma. They could have immunosuppressive activity and could be useful in methods of treatment of immunological disorders and vitiligo.
Preferred compounds of formulae (I), (II) and (III) are compounds of the formulae (IV) to (XI):
Additionally the extracts preferably contain also compounds of the formulae (XII) to (XVI):
本发明公开了从 Stachytarpheta 属植物中提取的富集
提取物,其中包含异波美度和式 (I)、(II) 和/或 (III) 化合物:
这些
提取物可用于阻止 CD8+ T 细胞的活化,减少 IFNgamma 的分泌。它们具有免疫抑制活性,可用于免疫紊乱和白癜风的治疗方法。
式(I)、(II)和(III)化合物中的优选化合物为式(IV)至(XI)化合物:
此外,
提取物最好还含有式(XII)至(XVI)的化合物: