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Table 3 Evaluation of EPS synthesis by different A. chroococcum strains in liquid media containing vinasse (1%) without and with 2% or 5% of sucrose after 48 h of incubation at 30 °C

From: Bioprospecting of exopolysaccharide-producing bacteria from different natural ecosystems for biopolymer synthesis from vinasse

A. chroococcum strains V (1%) V (1%) S (2%) V (1%) S (5%)
Growth* EPS§ Growth* EPS§ Growth* EPS§,†
76A + − + + − + + +
25.3 ± 0.10a
67B + +
22.8 ± 0.22b
AZ1 + +
21.5 ± 0.26c
  1. V vinasse, S sucrose
  2. *bacterial growth: − = absence of growth; + = presence of growth (about 108 CFU/mL)
  3. §EPS synthesis: − = no synthesis of EPS; − + = low synthesis of EPS; + = high synthesis of EPS
  4. mg of EPS/30 mL of medium. The values represent the mean ± S.D. of three replicates of independent experiments. Different letters indicate significant difference (P ≤ 0.01)