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Molecules 2018, 23(8), 1993; https://doi.org/10.3390/molecules23081993

Antioxidant Potential of Hemp and Flax Fibers Depending on Their Chemical Composition

Institute of Natural Fibers & Medicinal Plants, Wojska Polskiego 71B, 60-630 Poznan, Poland
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Academic Editor: Susana Cardoso
Received: 9 July 2018 / Revised: 3 August 2018 / Accepted: 5 August 2018 / Published: 10 August 2018
(This article belongs to the Special Issue The Antioxidant Capacities of Natural Products)
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Abstract

Flax and hemp fibers are known as textile raw materials with pro-health properties. This paper presents results of research aimed at investigating the antioxidant activity of the fibers in order to explain a mechanism for the favorable influence of textiles made of these fibers when in contact with human skin. The study presents a new approach in evaluation of textile fibers in terms of their inherent pro-health properties. Antioxidant properties of flax and hemp fibers were tested with the use of FRAP and DPPH methods. The content of phenolic acids: syringic, sinapinic, p-coumaric and ferulic acid was determined with the use of HPLC. The results proved that the antioxidant activity of the tested fibers depends on a type and variety of fibrous plants, a method of fiber extraction and subsequent stages of preliminary processing of the fibers. Both decorticated flax and hemp fibers showed higher antioxidant activity in comparison to the fibers obtained with other extraction methods, while decorticated flax of different varieties presented the highest value of the FRAP. Wet methods of fiber extraction and processing caused reduction of phenolic acids content and significantly lower values of the FRAP and DPPH. View Full-Text
Keywords: flax; hemp; antioxidant activity; phenolic acids; chemical analysis; HPLC; ATR-FTIR flax; hemp; antioxidant activity; phenolic acids; chemical analysis; HPLC; ATR-FTIR
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).
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Zimniewska, M.; Rozańska, W.; Gryszczynska, A.; Romanowska, B.; Kicinska-Jakubowska, A. Antioxidant Potential of Hemp and Flax Fibers Depending on Their Chemical Composition. Molecules 2018, 23, 1993.

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