Production of feruloylated arabinoxylo-oligosaccharides from maize (Zea mays) bran by microwave-assisted autohydrolysis

Devin J Rose, George E. Inglett

Research output: Contribution to journalArticle

54 Citations (Scopus)

Abstract

Maize bran was treated with microwave irradiation (160-200 °C for 2-20 min) to release feruloylated arabinoxylo-oligosaccharides (AXOS). Lower temperatures and shorter treatment times were consistent with low AXOS yields, while higher temperatures and longer reaction times also resulted in low yields, which were contaminated with increasing levels of monosaccharides, free ferulic acid, and furfural. Maximum release of AXOS, accompanied by low production of monosaccharides, free ferulic acid, and furfural, occurred with treatment at 180 °C for 10 min or 200 °C for 2 min. Under these conditions, about 50% of the initial arabinoxylan content could be released as AXOS, containing a wide variety of molecular weights. AXOS were highly feruloylated, containing 6.62 and 8.00 g of esterified ferulate/100 g of AXOS. These feruloylated AXOS may provide health benefits, including prebiotic effects and prevention of detrimental oxidation reactions. The evaluation of these benefits will be the subject of future research.

Original languageEnglish (US)
Pages (from-to)1613-1618
Number of pages6
JournalFood Chemistry
Volume119
Issue number4
DOIs
StatePublished - Apr 15 2010

Fingerprint

bran
Microwaves
Oligosaccharides
oligosaccharides
Zea mays
ferulic acid
corn
Furaldehyde
furfural
Monosaccharides
monosaccharides
Prebiotics
Temperature
arabinoxylan
Microwave irradiation
Insurance Benefits
prebiotics
Reaction Time
temperature
irradiation

Keywords

  • Antioxidant
  • Corn
  • Dietary fibre
  • Prebiotic
  • Processing

ASJC Scopus subject areas

  • Analytical Chemistry
  • Food Science

Cite this

Production of feruloylated arabinoxylo-oligosaccharides from maize (Zea mays) bran by microwave-assisted autohydrolysis. / Rose, Devin J; Inglett, George E.

In: Food Chemistry, Vol. 119, No. 4, 15.04.2010, p. 1613-1618.

Research output: Contribution to journalArticle

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