RESEARCH ON DETERMINATION OF LUTEIN AND ZEAXANTHIN CONTENT IN SUGAR CORN GROWN IN BLACK CRIȘULUI MEADOW UNDER THE CONDITIONS OF THE YEAR 2025, ROMANIA


Raul-Dacian VIDICAN1, Aurelia Ioana CHEREJI2, Cristina Maria MAERESCU3, Nicu Cornel SABĂU4, Radu Petru BREJEA5

Abstract. This research investigates how different fertilization strategies influence the accumulation of lutein and zeaxanthin in sweet corn grown in the Crișului Negru Meadow. The experimental design included four treatment variants: a non-fertilized control variant, a compost-based organic fertilized variant, a mineral-fertilized variant with NPK complex fertilizer, and a combined variant consisting of NPK supplemented with microelements. Carotenoid concentrations were determined by high-performance liquid chromatography (HPLC). The data obtained contribute to a better understanding of the relationship between fertilization practices and the nutritional profile of sugar maize, highlighting the potential of organic nutrient management in increasing the concentration of phytochemicals with beneficial effects on health.

Keywords: lutein and zeaxanthin, organic fertilization, carotenoids, HPLC chromatography.

DOI 10.56082/annalsarsciagr.2026.1.57

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1Assistant Prof. PhD student, Doctoral School Engineering Sciences, Agronomy, University of Oradea. e-mail: raulvidican@yahoo.com.
2Conf. Hab. PhD.,  University of Oradea, e-mail: aurelia.chereji@uoradea.ro.
3Conf. PhD., University of Oradea, e-mail: cristina.maerescu@uoradea.ro.
4Prof. Hab. PhD., University of Oradea, Associated Member of The Academy of Romanian Scientists. e-mail: nsabau@uoradea.ro.
5Prof. Hab. PhD., University of Oradea, Full Member of Academy of Romanian Scientists. e-mail: rbrejea@uoradea.ro.

PUBLISHED in

Annals Academy of Romanian Scientists Series on Agriculture, Silviculture and Veterinary Medicine

Volume 15 no 1, 2026


ISSN PRINT 2069-1149

ISSN ONLINE 2344-2085