Present Status and Perspectives on the Use of Alkylresorcinols as Biomarkers of Wholegrain Wheat and Rye Intake

Figure 1

Basic structure of alkylresorcinols (a), and the two main plasma and urinary metabolites, 3,5-dihydroxybenzoic acid (b), and 3,5-dihydroxyphenylpropianoic acid (c). For the most abundant alkylresorcinols in cereals, R = C₁₇H₃₅–C₂₅H₅₁.

(a)

(b)

(c)