4.7 Article

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

Journal

AGRICULTURE-BASEL
Volume 11, Issue 5, Pages -

Publisher

MDPI
DOI: 10.3390/agriculture11050386

Keywords

coriander; lovage; fertilisation; total polyphenolic content; antioxidant activity; HS-SPME

Categories

Funding

  1. [026/RID/2018/19]

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The study demonstrates that fertilisation significantly impacts the quality parameters of dried material, especially the first fertilisation (containing organic components) can increase the contents of bioactive compounds and volatile substances, thus improving the quality of the raw material obtained.
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 degrees C) with vacuum-microwave finish drying with the use of 240Wmicrowaves (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.

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