Protosappanin A is an immunosuppressive ingredient of the medicinal herb Caesalpinia sappan L. References: Zhang M, He J, Hou J, Wu J, Sun M, Cui J, Tian J, Jiang M, Yu B. The immunosuppressant Protosappanin A diminished recipient T cell migration into allograft via inhibition of IP-10 in rat heart transplant. PLoS One. 2014 May 5;9(5):e96138. doi: 10.1371/journal.pone.0096138. eCollection 2014. PubMed PMID: 24798458; PubMed Central PMCID: PMC4010525.

纯度：≥98%

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