Caffeoylquinic acid derivatives
were quantified as chlorogenic acid (5-caffeoylquinic acid; Sigma, St.
Louis, MO, USA), flavonoids as quercetin 3-rutinoside (Sigma), and
sinapic acid and ferulic derivatives as sinapic acid (Sigma). The total
analyte content of phenolic compounds in broccoli sprouts was
expressed as milligrams per 100 g FW.