Main Biochemical Reactions Leading to the Synthesis of Benzenoid Volatiles in Petunia Flowers.
Some reactions are hypothesized (dashed arrows) and have not been shown conclusively to occur in petunia. See text for details. BAlc, benzyl alcohol; Bald, benzylaldehyde; BB, benzylbenzoate; BCoA, benzoyl-CoA; CA, trans-cinnamic acid; IEug, isoeugenol; MB, methylbenzoate; PEB, phenylethyl benzoate; Phald, phenylacetaldehyde; Phe, l-Phe; PhEth, 2-phenylethanol; Phepyr, phenylpyruvic acid; BPBT, benzoyl-CoA:benzyl alcohol/2-phenylethanol benzoyltransferase; BSMT, benzoic acid/salicylic acid carboxyl methyltransferase; IGS1, isoeugenol synthase; PAAS, phenylacetaldehyde synthase.