Table 3 Purification techniques documented in literature for recovery of xylooligosaccharides (XOs)
From: Xylanolytic Bacillus species for xylooligosaccharides production: a critical review
Product | Purification techniques | Substrate | pH and temperature | Recovery % (DP*) | Reference |
|---|---|---|---|---|---|
Acidic XOs | Anion-exchange and size-exclusion chromatography | Birchwood xylan | 50  °C | 85 (NA) | (Christakopoulos et al. 2003) |
Xylobiose and xylotriose | Nanofiltration | Corncob meal | pH 5.5, 55  °C | 74.5 (< 5) | (Yuan et al. 2004) |
XOs | Gel filtration chromatography | Oil palm empty fruit bunch | NA | 83–85 (5–40) | (Ho et al. 2014) |
XOs | Ultrafiltration | Almond shells | 179 °C | 58.3 (NA) | (Nabarlatz et al. 2007) |
Xylobiose | Nanofiltration | Empty fruit bunch | pH 5,50  °C | 90.1 (NA) | (Wijaya et al. 2020) |
XOs | Ultrafiltration | Wheat bran | pH 6.5, 60  °C | 44.4 (2–5) | (Geetha and Gunasekaran 2017) |
Xylohexose Xylobiose and xylotriose | High-performance anion exchange | Chemical pulp | pH 5,50  °C | 47 & 90.5 (NA) | (Wang et al. 2018) |
XOs | HPLC | Corncob | pH 8, 50  °C | 32.5 (≤ 4) | (Lin et al. 2011) |