Free Access

Table III.

In vitro survival of selected yeast strains at 37 °C in simulated gastric juice.

Strains Viable counts (log10 cfu·mL−1)2
0 h 1.5 h Decrease in viability (%)1
Galactomyces sp.
BY1 7.02 ± 0.03 6.65 ± 0.07 57.12 ± 9.30ef
Geotrichum sp.
BY2 7.93 ± 0.04 7.94 ± 0.03 0.00a
P. fermentans
BY5 7.48 ± 0.01 6.40 ± 0.03 91.81 ± 4.67ghi
HJ15 7.58 ± 0.03 7.36 ± 0.05 39.52 ± 1.44cde
HJ16 7.56 ± 0.04 7.27 ± 0.01 48.56 ± 1.79def
Trichosporon sp.
BY6 7.98 ± 0.03 7.13 ± 0.03 85.83 ± 3.32ghi
P. kudriavzevii
BY10 8.27 ± 0.03 8.36 ± 0.02 0.00a
BY15 8.29 ± 0.01 8.21 ± 0.02 16.71 ± 0.30b
P. guilliermondii
BY31 8.34 ± 0.03 8.17 ± 0.01 35.11 ± 1.58cd
HY1 7.88 ± 0.04 7.00 ± 0.01 87.12 ± 1.69ghi
HY18 7.18 ± 0.03 6.54 ± 0.08 76.78 ± 4.04gh
R. mucilaginosa
HJ22 7.30 ± 0.06 7.10 ± 0.01 37.03 ± 1.41cd
Y. lipolytica
HY4 8.02 ± 0.09 7.75 ± 0.04 46.21 ± 2.53def
HY15 8.36 ± 0.05 7.97 ± 0.07 59.15 ± 1.27ef
HJ6 6.72 ± 0.09 5.76 ± 0.01 89.18 ± 4.48ghi
HJ8 7.93 ± 0.04 6.39 ± 0.12 97.17 ± 0.35i
HJ10 7.62 ± 0.01 7.41 ± 0.02 36.72 ± 2.19cd
T. gracile
HJ1 7.51 ± 0.05 6.09 ± 0.12 96.21 ± 0.45hi
HJ2 7.11 ± 0.05 6.47 ± 0.16 77.32 ± 3.27g
S. boulardii
CICC1850 7.44 ± 0.03 7.32 ± 0.01 24.12 ± 5.37b
1

D.

2

All results are expressed as mean ± standard deviation.

a–i

Means with the same letter within a column are not significantly different (P > 0.05).