Effect of Fertilization in Selected Phytometric Features and Contents of Bioactive Compounds in Dry Matter of Two Varieties of Basil ( Ocimum basilicum L.)

Natalia Matłok, Józef Gorzelany, Agnieszka Ewa Stępień, Adam Figiel and Maciej Balawejder
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Natalia Matłok: Department of Food and Agriculture Production Engineering, Collegium of Natural Sciences, University of Rzeszow, St. Zelwerowicza 4, 35-601 Rzeszów, Poland
Józef Gorzelany: Department of Food and Agriculture Production Engineering, Collegium of Natural Sciences, University of Rzeszow, St. Zelwerowicza 4, 35-601 Rzeszów, Poland
Agnieszka Ewa Stępień: Department of Dietetics, Institute of Nursing and Health Sciences, Collegium of Medical Sciences, University of Rzeszow, al/Mjr. W.Kopisto 2a, 35-310 Rzeszów, Poland
Adam Figiel: Institute of Agricultural Engineering, Wroclaw University of Environmental and Life Sciences, Chelmonskiego 37a, 51-630 Wroclaw, Poland
Maciej Balawejder: Department of Chemistry and Food Toxicology, Collegium of Natural Sciences, University of Rzeszow, St. Ćwiklińskiej 1a, 35-601 Rzeszów, Poland

Sustainability, 2019, vol. 11, issue 23, 1-14

Abstract: This study investigated the effects of sustainable, organic and standard mineral fertilization in selected phytometric features and contents of bioactive compounds in dry matter of two varieties of Ocimum basilicum L. The herbal material was first examined for its phytometric characterisation and then subjected to the combined convective pre-drying and vacuum-microwave finish drying method (CPD-VMFD). The energy consumption for the drying process of plant material in the case of CPD-VMFD is lower in comparison to the convection method (CD). The obtained dry material was assessed for determination of the colour parameters. Next, the analysis to identify the total content of polyphenols and the antioxidant properties (ABTS) was done. The dried material was subjected to head space–solid phase microextraction (HS-SPME) to determine volatile compound content. The herbal material obtained from the basil cultivated with an addition of sustainable, organic fertilizer was found to have a significantly higher content of bioactive compounds than the control, especially of polyphenols and volatile compounds like eucalyptol. Presumably, this is an effect of the elicitation process resulting from the fact that extract from common nettle was applied as an organic fertilizer component.

Keywords: herbs; sustainable fertilization; elicitation process; drying; antioxidant activity; total polyphenolic content; HS-SPME (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2019
References: View complete reference list from CitEc
Citations: View citations in EconPapers (3)

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