Table 3.
Specifications of XOS 95P, XOS 70P and XOS 70L as proposed by the applicant
| Parameter | XOS‐95P | XOS‐70P | XOS‐70L | Method |
|---|---|---|---|---|
| Moisture (%) | ≤ 5.0 | ≤ 5.0 | ‐ | GB 5009.3‐2016 |
| Dry material (%) | ‐ | ‐ | 70–75 | Abbe refractometer |
| Protein (g/100 g) | < 0.2 | GB 5009.5‐2010 | ||
| Ash (%) | ≤ 0.3 | GB 5009.4‐2016 | ||
| pH | 3.5–5.0 | GB/T 20884‐2007 | ||
| Total carbohydrate content (g/100 g) | ≥ 97 | ≥ 95 | ≥ 70 | GB/Z 21922‐2008 |
| XOS content (dry basis) (g/100 g) | ≥ 95 | ≥ 70 | ≥ 70 | HPLC |
| Other carbohydrates (g/100 g)a | 2.5–7.5 | 2–16 | 1.5–31.5 | |
| Monosaccharides total (g/100 g) | 0–4.5 | 0–13 | 0–29 | |
| Glucose (g/100 g) | 0–2 | 0–5 | 0–4 | |
| Arabinose (g/100 g) | 0–1.5 | 0–3 | 0–10 | |
| Xylose (g/100 g) | 0–1.0 | 0–5 | 0–15 | |
| Disaccharides total (g/100 g) | 27.5–48 | 25–43 | 26.5–42.5 | |
| Xylobiose (XOS DP2) (g/100 g) | 25–45 | 23–40 | 25–40 | |
| Cellobiose (g/100 g) | 2.5–3 | 2–3 | 1.5–2.5 | |
| Oligosaccharides total (g/100 g) | 41–77 | 36–72 | 32–71 | |
| Xylotriose (XOS DP3) (g/100 g) | 27–35 | 18–30 | 18–30 | |
| Xylotetraose (XOS DP4)(g/100 g) | 10–20 | 10–20 | 8–20 | |
| Xylopentaose (XOS DP5) (g/100 g) | 3–10 | 5–10 | 3–10 | |
| Xylohexaose (XOS DP6) (g/100 g) | 1–5 | 1–5 | 1–5 | |
| XOS DP ≥ 7 (g/100 g) | 0–7 | 2–7 | 2–6 | |
| Maltodextrin (g/100 g)b | 0 | 20–25 | 0 | – |
DP: degree of polymerisation; XOS: xylo‐oligosaccharides; HPLC: high‐performance liquid chromatography.
a
Other carbohydrates include monosaccharides (glucose, xylose and arabinose) and cellobiose.
b
Maltodextrin content is calculated according to the amount added in the process.