Lakshminarayana, R., Raju, M., Krishnakantha, T.P. and Baskaran, V. (2007) Lutein and Zeaxanthin in Leafy Greens and Their Bioavailability: Olive Oil Influences the Absorption of Dietary Lutein and Its Accumulation in Adult Rats. Journal of Agricultural and Food Chemistry, 55, 6395-400.