that are formed constitutively are distributed throughout the mesophyll. The non-conjugated (p-coumaric acid) phenylpropanes are localised in the epidermal cell wall, while the conjugates are mainly sequestered into the vacuoles of these cells (Fig. 1.2.17). The anthocyanin accumulation induced during leaf flushing by tropical trees (see Fig. 1.2.15) takes place in the vacuoles of the epidermal cells.

Plant phenols (continued)


Chalcone synthase


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