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Table 1 Carbohydrates, used for DNA microarray studies, listed with glycoside structure and type, supplier and purity

From: Transcriptional analysis of oligosaccharide utilization by Bifidobacterium lactisBl-04

Carbohydrate

Structure1

Glycoside type

DP2

Manufacturer or supplier

Purity (as given by Manufacturer or supplier)

Glucose

Glcp

glucoside

1

Sigma

> 99%

GOS

[β-d-Galp-(1–4)]n-d-Glcp

galactoside

2–6

Dupont

> 94% DP ≥ 2

Melibiose

α-d-Galp-(1–6)-d-Glcp

galactoside

2

Sigma

> 98%

Raffinose

α-d-Galp-(1–6)-d-Glcp-(α1,β2)-D-Fruf

galactoside

3

Sigma

> 99%

Stachyose

[α-d-Galp-(1–6)]2-d-Glcp-(α1,β2)-d-Fruf

galactoside

4

Sigma

> 98%

Isomaltose

α-d-Glcp-(1–6)-d-Glcp

glucoside

2

Sigma

> 98%

Panose

α-d-Glcp(1–6)-α-d-Glcp-(1–4)-d-Glcp

glucoside

3

Sigma

> 98%

Maltotriose

α-d-Glcp-(1–4)-α-d-Glcp-(1–4)-d-Glcp

glucoside

3

Dupont

> 95%

Cellobiose

β-d-Glcp-(1–4)-d-Glcp

glucoside

2

Fluka AG

> 99%

Gentiobiose

β-d-Glcp-(1–6)-d-Glcp

glucoside

2

Sigma

> 98%

Xylobiose

β-d-xylp-(1–4)-d-xylp

xyloside

2

Dupont

> 95%

XOS

[β-d-xylp-(1–4)]m-d-xylp

xyloside

2–7

Shandong Longlive Bio-technology Co., Ltd, (China)

> 90%3

  1. 1n = 1–5 as previously described ([70]), m =1–6 as stated by manufacturer.
  2. 2Degree of polymerization.
  3. 3The XOS composition and purity was previously determined [60].