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Open AccessArticle

Structure, Antioxidant, and Hypoglycemic Activities of Arabinoxylans Extracted by Multiple Methods from Triticale

1
Department of Food Quality and Safety, College of Food Science, Sichuan Agricultural University, Yaan 625014, Sichuan, China
2
Department of Food Quality and Safety, Institute of Food and Drug Inspection, Chengdu 610000, Sichuan, China
*
Author to whom correspondence should be addressed.
Authors contributed equally to this article.
Antioxidants 2019, 8(12), 584; https://doi.org/10.3390/antiox8120584
Received: 30 October 2019 / Revised: 14 November 2019 / Accepted: 21 November 2019 / Published: 25 November 2019
(This article belongs to the Section Natural and Synthetic Antioxidants)
Different methods of isolating arabinoxylans (AXs) from triticale were performed to investigate the extraction methods’ effects on the physiological functions of the AXs. Structural, antioxidant, and hypoglycemic activities were determined. The molecular weights (MWs) of enzyme- or water-extracted AXs were lower than those of alkali-extracted AXs. Opposite trends were shown by the arabinose–xylose ratio. Enzyme-extracted AXs exhibited higher glucose adsorption capacity and hydroxyl radical-scavenging efficiency than alkali-extracted AXs. The α-amylase inhibition ability, DPPH radical-scavenging capacity, and metal-chelating activity of alkali-extracted AXs were higher than those of enzyme-extracted AXs. Water-extracted AXs had the highest glucose dialysis retardation index. In conclusion, extraction methods can influence the physiological function of AXs through their structural features. AXs with higher MWs and esterified ferulic acid (FA) levels had higher antioxidant ability, whereas AXs with higher solubility and free FA level exhibited higher hypoglycemic activity. View Full-Text
Keywords: arabinoxylans; extraction methods; structural features; antioxidant ability; hypoglycemic activity arabinoxylans; extraction methods; structural features; antioxidant ability; hypoglycemic activity
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MDPI and ACS Style

Chen, H.; Chen, Z.; Fu, Y.; Liu, J.; Lin, S.; Zhang, Q.; Liu, Y.; Wu, D.; Lin, D.; Han, G.; Wang, L.; Qin, W. Structure, Antioxidant, and Hypoglycemic Activities of Arabinoxylans Extracted by Multiple Methods from Triticale. Antioxidants 2019, 8, 584.

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