Table 3 Organic acids in the silages and production of biogas from Spartina pectinata L.

From: Silage quality and biogas production from Spartina pectinata L. fermented with a novel xylan-degrading strain of Lactobacillus buchneri M B/00077

Silage

pH

Organic acids (% DM)

Biogas production (dm3/kgODM)

Efficiency of biogas production (%)

Theoretical (max)

Observed

Lactic

Acetic

Propionic

Butyric

a

b

(b * 100)/a

Control

4.7a

1.20a

0.35b

nd

0.35a

684.7

592.7b

86.6b

Enzyme

4.4c

2.47a

0.34b

nd

0.12a

669.3

533.8c

79.7c

LAB

4.6b

0.85b

1.07a

0.87

0.12a

654.5

653.0a

99.8a

SEM

0.05

0.24

0.12

–

0.04

–

17.4

–

  1. LAB Lactobacillus buchneri M B/00077, SEM standard error of the mean.
  2. a–cMean values (in columns) marked with different letters differ significantly, α = 0.05.
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