CONJUGATED LINOLENIC ACID CONTENT IN SEEDS OF SOME
POT MARIGOLD (CALENDULA OFFICINALIS L.) CULTIVARS
GROWN IN POLAND
BEATA KRÓL1*, TADEUSZ PASZKO2, ANNA KRÓL3
1University of Life Sciences, Faculty of Agrobioengineering, Department of Industrial and Medicinal Plants, Akademicka 15,
20-950 Lublin, Poland
2University of Life Sciences, Faculty of Food Science and Biotechnology, Department of Chemistry, Akademicka 15, 20-950
Lublin, Poland
3University of Medical Sciences, Department of Biochemistry and Molecular Biology, Poznań 6 Święcickiego St., 60-781
Poznań, Poland
*corresponding author: beata.krol@up.lublin.pl
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Abstract:
Seed oil of ten cultivars of pot marigold grown in Poland was analyzed in order to determine the main factors affecting its
content and composition. The seeds of the pot marigold cultivars grown in Poland contained relatively large amounts of oil
(17.32% ± 2.60%), which was abundant in conjugated linolenic acids (49.53% ± 5.43%) and had low content of saturated
fatty acids (8.62% ± 1.97%). In addition to the effect of cultivars, the large contents of α-calendic acid in oils were a result of
low average temperature and extensive precipitation during seed maturation. The statistical analysis suggested that linoleic
acid was the main precursor of α-calendic acid, and α-calendic acid was the precursor of β-calendic acid.

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