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. 2024 Feb 22;29(5):971.
doi: 10.3390/molecules29050971.

Analytical Assessment of the Antioxidant Properties of the Coneflower (Echinacea purpurea L. Moench) Grown with Various Mulch Materials

Celestina Adebimpe Ojo  1 , Kinga Dziadek  1 , Urszula Sadowska  2 , Joanna Skoczylas  1 , Aneta Kopeć  1
Affiliations

Analytical Assessment of the Antioxidant Properties of the Coneflower (Echinacea purpurea L. Moench) Grown with Various Mulch Materials

Celestina Adebimpe Ojo et al. Molecules. .

Abstract

Antioxidants are added to foods to decrease the adverse effect of reactive species that create undesirable compounds that destroy essential nutrients and, therefore, lower the nutritional, chemical and physical properties of foods. This study was carried out to determine the antioxidant properties of flowers and plant stems with leaves of Echinacea purpurea grown with mulches of different colours and thicknesses. Coneflowers were grown in the Experimental Station of the Agricultural University in Kraków, Poland. The mulching materials used were black, green and brown colours of 100 g/m2 and 80 g/m2 density. In plant material, e.g., flowers or plant stems plus leaves the proximate analysis, the total polyphenol content and the ability to scavenge free radicals (ABTS, DPPH and FRAP) were determined. The results show that flower samples had a higher content of compound proteins, ash and phenolic compounds. The mulching colour and density did not affect the proximate analysis of the E. purpurea plant. Based on the result of this study, E. purpurea is a potential source of natural antioxidants and can be used to improve the antioxidant activity of various food products as well as in cosmetics within the pharmaceutical industry.

Keywords: Echinacea purpurea; antioxidant properties; chemical composition; coneflower.

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Conflict of interest statement

The authors declare no conflicts of interest.

Figures

Figure 1
Figure 1
Mulching material. (A) Field covered with various types of mulching material prepared for cultivation. (B) E purpureae seedlings. (C) Example of black mulching material. (D) Example of green mulching material. (E) Example of brown mulching material (own source).
Figure 2
Figure 2
Mature E. purpurea. (A) Mature flowers. (B) Example of plants with the mulching material (own source).
See this image and copyright information in PMC

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