Skip to main content
. 2016 Jun 7;6:27392. doi: 10.1038/srep27392

Table 1. Main chemical composition of the culture media.

  CJ PJ MRS
pH 5.81 ± 0.02a 3.69 ± 0.02c 5.71 ± 0.01b
Total titratable acidity (mL NaOH 0.1 M 10 ml−1) 1.2 ± 0.1c 7.4 ± 0.2a 4.4 ± 0.1b
Soluble solids (Brix) 5.6 ± 0.2b 11.1 ± 0.4a 5.5 ± 0.1b
Total phenols (mM gallic acid eq) 3.0 ± 0.3b 5.4 ± 0.2a n.d.
Buffering capacity (mmol HCl pH−1 l−1) 5.0 ± 0.1c 27.0 ± 0.8a 20.0 ± 0.6b
Free amino acids (mg l−1) 1095 ± 37b 574 ± 37c 3800 ± 61a
Glucose (mM) 58 ± 2c 206 ± 5a 115 ± 4b
Fructose (mM) 47 ± 1b 212 ± 7a n.d.
Sucrose (mM) 56 ± 2a 33 ± 2b n.d.
Malic acid (mM) 29 ± 1a 21 ± 1b n.d.
Citric acid (mM) n.d. 20 ± 1 n.d.

The data are the means of three independent experiments ± standard deviation, analysed in duplicate.

Means within a row with different letters (a–c) are significantly different (P < 0.05). n.d., Not detected.