Effect of Fertilisation on the Quality of Dried Coriander ( Coriandrum sativum L.) and Lovage ( Levisticum officinale )

Natalia Matłok, Józef Gorzelany, Adam Figiel and Maciej Balawejder
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Natalia Matłok: Department of Food and Agriculture Production Engineering, College of Natural Sciences, University of Rzeszow, St. Zelwerowicza 4, 35-601 Rzeszów, Poland
Józef Gorzelany: Department of Food and Agriculture Production Engineering, College of Natural Sciences, University of Rzeszow, St. Zelwerowicza 4, 35-601 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, College of Natural Sciences, University of Rzeszow, St. Ćwiklińskiej 1a, 35-601 Rzeszów, Poland

Agriculture, 2021, vol. 11, issue 5, 1-10

Abstract: The study presents the effects of fertilisation on selected quality parameters of the dried material obtained from plants of lovage and coriander. During the crop production process, the plants were treated with two fertilisers containing substances potentially acting as elicitors. The dried material was obtained in course of a drying process carried out in optimum conditions and based on the CD-VMFD method which combines convective pre-drying (CD) at a low temperature (40 °C) with vacuum-microwave finish drying with the use of 240 W microwaves (VMFD). The quality of the dried material was evaluated through measurement of the total contents of polyphenols, total antioxidant potential (ABTS and DPPH method), and the profile of volatile compounds (headspace-solid phase microextractio-HS-SPME) as well as assessment of the colour. It was found that by applying first fertilisation (with organic components) it is possible to significantly increase the contents of both bioactive compounds and volatile substances responsible for the aroma. It was determined that the higher content of bioactive compounds was related to the composition of the first fertiliser, presumably the extract from common nettle. The study showed that the application of the first fertiliser contributed to enhanced quality parameters of the raw material obtained.

Keywords: coriander; lovage; fertilisation; total polyphenolic content; antioxidant activity; HS-SPME (search for similar items in EconPapers)
JEL-codes: Q1 Q10 Q11 Q12 Q13 Q14 Q15 Q16 Q17 Q18 (search for similar items in EconPapers)
Date: 2021
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