Journal
BIORESOURCE TECHNOLOGY
Volume 245, Issue -, Pages 283-288Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2017.08.174
Keywords
Xylooligosaccharides; Agricultural residue; Prebiotic; Antioxidant; Nutraceuticals
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Aspergillus fumigatus R1, on submerged fermentation using agricultural residues as carbon source produced extracellular xylanase (152 IU/ml after 96 h of incubation at 37 degrees C with constant shaking at 100 rpm). A maximum yield of 1 gm% Xylooligosaccharides (XOS) mixture was obtained after 12 h by enzymatic hydrolysis of xylan rich wheat husk without any prior pretreatment using the crude enzyme without any purification. HP-TLC data confirmed the presence of an array of XOS for its prebiotic properties by carrying out studies on ten standard probiotic cultures. Six of ten probiotic cultures were able to utilize XOS produced from agricultural wastes and showed remarkable growth in the media containing XOS as the sole source of carbon. XOS mixture also exhibited concentration dependent anti-oxidant activity. Thus, the results showed that XOS produced from agricultural residues have great prebiotic potential and good antioxidant activity; therefore, it can be used in food-related applications.
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