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. Author manuscript; available in PMC: 2009 Jan 6.
Published in final edited form as: J Agric Food Chem. 2008 Aug 9;56(17):7710–7714. doi: 10.1021/jf801029k

Figure 1. Response surface plots showing the effects of variables in the yield of lycopene (nmol/g tomato cells, y-axis).

Figure 1

(a) Ethanol volume (x-axis) and homogenization period (z-axis); (b) KOH volume (x-axis) and ethanol volume (z-axis); (c) Vortex period (x-axis) and homogenization period (z-axis); (d) Hexane volume (x-axis) and KOH volume (z-axis); (e) Vortex period (x-axis) and KOH volume (z-axis); (f) Vortex period (x-axis) and hexane volume (z-axis).