Table 1.

Chemical characterization and in vitro antioxidant activity of xylooligosaccharides.

Parameters	Values
Total carbohydrate content [%, w/w]	97.3 ± 2.4
Total uronic acid content [%, w/w]	<1
Monosaccharide composition [%, w/w]
Xylose	59.4 ± 2.9
Degree of acetylation [mol%] 1 (Acetyl content [%, w/w])	3.3 ± 0.1 (0.6 ± 0.01)
Glucose	9.7 ± 1.1
Total proteins [%, w/w]	n.f. 2
Total phenolics [%, w/w]	0.2 ± 0.01
ORAC 3 [μmol TE 4/g]	1150.2 ± 32.8
HORAC 5 [μmol GAE 6/g]	303.1 ± 9.7

¹ Moles of acetyl groups per 100 moles of xylose; ² not found; ³ oxygen radical absorbance capacity; ⁴ Trolox equivalents; ⁵ hydroxyl radical averting capacity; ⁶ gallic acid equivalents.