Delocalizedπbonds andπelectrons 番茄红素Lycopene(red:11 conjugated x bonds isolated pi bond Localizedπbond a年8s年0s048年8ss8年年s888esa Localizedπbond B-Carotene (orange):11 conjugated x bonds 叶黄素Lutein(yellow):10 conjugated x bonds OH Localizedπbond isolatedπbond edπbon DelocalizedπbondsDelocalized π bonds and π electrons 番茄红素 Localized π bond Localized π bond Localized π bond (isolated π bond) Delocalized π bonds 叶黄素