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Table 1 The composition of raw vinegar residue based on the absolute dry weight

From: Development of optimal steam explosion pretreatment and highly effective cell factory for bioconversion of grain vinegar residue to butanol

The composition content (g/100 g of raw material)

Glucan

25.53 ± 3.76

Ash

5.92 ± 0.03

Xylan

17.08 ± 1.78

Soluble protein

0.58 ± 0.01

Arabinan

5.83 ± 0.11

Crude fat

11.8 ± 0.01

Lignin

24.48 ± 0.06

Othera

8.98 ± 3.00

  1. aOther mainly represents crude protein (except for soluble protein) and a small quantity of micro-element [16, 17]