Fatty acid profile, phytochemicals and antioxidant activity from barnyardgrass (Echinochloa crus-galli)
2017
Zambiazi, R. C. | Bartz, B. | Prietto, L. | Zavareze, E. R. | Ziegler, V. | Ferreira, C. D. | Helbig, E. | Dias, A. R. G.
The objective of this study was to evaluate the chemical composition, fatty acid profile, phytochemical compounds and antioxidant activity of barnyardgrass (Echinochloa crus-galli) in order to evaluate its possible use for food. Barnyardgrass samples were obtained from rice crops and grains with and without husk were evaluated. The morphology, chemical composition, fatty acid profile, phytochemical compounds and the antioxidant activity by the methods of 2,2-difenil-1-picrilhidrazil (DPPH* ) and 2,2′-azino-bis-3-ethylbenzthiazoline-6-sulphonic acid (ABTS*) of barnyardgrass grains were determined. The grains with husk presented higher content of lipids 6.7%, minerals 7.8%, dietary fibers 40.8%, total phenolic compounds 399 mg equiv. catechin/100g and antioxidant activity as compared to grains without husk. The results suggest that barnyardgrass grains with and without husk are promising as a source of nutrients for use in both human and animal nutrition.
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