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https://open.uns.ac.rs/handle/123456789/2836
Title: | Environmental-friendly technologies for the production of antioxidant xylooligosaccharides from wheat chaff | Authors: | Antov, Mirjana Đorđević, Tatjana |
Issue Date: | 15-Nov-2017 | Publisher: | Elsevier | Journal: | Food Chemistry | Abstract: | © 2017 Elsevier Ltd Ultrasound irradiation and enzymatic hydrolysis were applied for the production of antioxidant xylooligosaccharides from wheat chaff. To facilitate enzyme action, 3% (w/w) suspension of raw material was pretreated by ultrasound at 25 Hz, 540 W for 10 min. Ultrasound treatment released xylooligosaccharides with predominant xylotriose into liquid fraction which expressed 1.03 ± 0.01 (μmol AAE/g) ABTS radicals-scavenging activity. Endo-xylanase action on pretreated wheat chaff released 21.76 ± 1.42 and 32.3 ± 0.75 mg reducing sugars equivalents/g after 24 h when applied at dosages 0.15 and 0.3 U/g. respectively. With increase in reaction time portion of xylotriose and xylotetraose in hydrolysates was increase relatively to xylopentose as well as quantities of xylose and glucose. Extremely significant inverse correlation between monosaccharides/oligosaccharides ratio and ABTS radical-scavenging activity was determined. Results indicated potential of environmental friendly ultrasound and enzymatic technologies for the production of xylooligosaccharides from wheat chaff for potential food application. | URI: | https://open.uns.ac.rs/handle/123456789/2836 | ISSN: | 03088146 | DOI: | 10.1016/j.foodchem.2017.05.058 |
Appears in Collections: | TF Publikacije/Publications |
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