In addition to the free protein amino acid l-tyrosine, the expanding young leaves of Inga laurina accumulate high concentrations of three new depsides, galloyl, m-digalloyl, and m-trigalloyl l-tyrosine (1, 2, and 3). The structures of these compounds were determined on the basis of their
Young leaves of tropical forest trees experience far higher herbivory pressure than mature leaves of the same species. Selection on young leaves has led to diverse forms of defense chemical expression. Though most allelochemicals are secondary metabolites, allelochemic function for a primary
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