Seco-ursane glycoside

In the search for potential antiallergic compounds, the inhibition of ConA-induced histamine release from rat peritoneal mast cells has been measured as a monitor in separation and fractionation of active compounds [91]. On the basis of this in vitro test, ilexosides A, B, C and D (66-69), four novel 18,19-seco-ursane glycosides isolated from Ilex crenata... 

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