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Open AccessThis article is distributed under the terms of the Creative Commons Attribution License which permits any use, distribution, and reproduction in any medium, provided the original author(s) and the source are credited.
Scheme of mechanism of carotenoid separation processes by use of RP HPLC; two cases: C18 stationary phase without EC (1) and with an inactivation of free silanols (2); lutein (A), lycopene (B) and β-carotene (C)