... obtainedfor b-apo-8¢-carotenal, followed by 3-OH-b-apo-8¢-carotenal and b-apo-10¢-carotenal and, finally, by3-OH-b-apo-10¢-carotenal. However, b-apo-8¢-carotenalshowed a lower kcatvalue compared to ... Umehara M, Hanada A, Yoshida S, Akiyama K,Arite T, Takeda-Kamiya N, Magome H, Kamiya Y,Shirasu K, Yoneyama K et al. (2008) Inhibition ofshoot branching by new terpenoid plant hormones.Nature 455, ... ofsuitable carotenoid-substrates (i.e. b-carotene, lutein,zeaxanthin and lycopene) in human plasma and tissues[17]. In addition, the apocarotenoid substrate b-apo-10¢-carotenal may also be...