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Evaluation of Chemical Composition of Some Silphium L. Species as Alternative Raw Materials

1
Department of Tourism and Recreation, University of Life Sciences in Lublin, 15 Akademicka Street, 20-950 Lublin, Poland
2
Department of Analysis and Evaluation of Food Quality, University of Life Sciences in Lublin, 8 Skromna Street, 20-704 Lublin, Poland
*
Author to whom correspondence should be addressed.
Agriculture 2020, 10(4), 132; https://doi.org/10.3390/agriculture10040132
Received: 16 March 2020 / Revised: 7 April 2020 / Accepted: 15 April 2020 / Published: 17 April 2020
(This article belongs to the Section Agricultural Product Quality and Safety)
The chemical composition of three Silphium species in the aspect of the possibility of their use for various purposes has been evaluated. The plant material of three Silphium species (S. perfoliatum, S. trifoliatum and S. integrifolium) was acquired from cultivation located in eastern Poland. The vegetative propagating material consisted of seeds and rhizomes. Content of protein (up to 22.9% in leaves of S. perfoliatum), amino acids (aspartic acid—up to 12.0%, glutamic acid—up to 9.5%, and leucine—up to 9.4%), fat (up to 4.2% in inflorescences of S. perfoliatum), cellulose (up to 42.9% in stems of S. trifoliatum), water-soluble sugars (up to 26.7% in rhizomes of S. perfoliatum) and mineral substances (ash up to 20.9% in stems of S. integrifolium, with significant levels of elements such as K, Ca, Mg, Fe, Mn) in the tested Silphium species can be an important criterion determining a positive evaluation of these plants as sources of alternative raw materials. The conducted research is meant to draw attention to the possibility of use of the biomass of three Silphium species as a potential source of ecological and renewable raw material for food, pharmaceuticals, feed and possibly also for energy generation purposes. View Full-Text
Keywords: Silphium L.; Silphium perfoliatum L.; Silphium trifoliatum L.; Silphium integrifolium Michx.; chemical composition; alternative plants Silphium L.; Silphium perfoliatum L.; Silphium trifoliatum L.; Silphium integrifolium Michx.; chemical composition; alternative plants
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Kowalska, G.; Pankiewicz, U.; Kowalski, R. Evaluation of Chemical Composition of Some Silphium L. Species as Alternative Raw Materials. Agriculture 2020, 10, 132.

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