Harbige et al. (2016) |
F: 10 M: 8 Both: 18 Probiotic: 14 Placebo: 4 |
18–49 |
CT (clinical trial) |
Daily drink with breakfast: two 65mlbottles equivalent intake of 1.3 × 1010 live Lactobacillus caseiShirota (LcS). |
No treatment |
Lactobacillus caseiShirota (LcS) |
4 week intervention, 6 week break, followed by 4 week intervention |
Salivary IgA1, Salivary IgA2, Salivary INF-γ (For 10 probiotic subjects) |
Salivary INF-γ: ELISA Salivary IgA1, 2: radial immunodiffusion assay |
SIgA1(mg/mL): Before:0.04 ± 0.13 Week 4:0.04 ± 0.16 Week 10: 0.04 ± 0.15 Week 14: 0.05 ± 0.17 N = 10 SIgA2(mg/mL): Before:0.0 3 ± 0.09 Week 4:0.03 ± 0.11 Week 10: 0.03 ± 0.12 Week 14: 0.03 ± 0.13 N = 10 SINF- γ(mg/mL):NR |
No |
No |
Salivary samples just obtained from 10 probiotic subjects. Subjects were healthy volunteers |
No |
Childs et al. (2014) |
F: 22 M: 22 Probiotic:42 Placebo: 41 |
25–65 43 ± 12 |
Cross-over |
The volunteer were given 2 sachets of daily supplements which powders dissolved in water, milk or fruit juice: Prebiotic (xylo-oligosaccharide, XOS, 8 g/d), Probiotic (Bifidobacteriumanimalis subsp. lactis Bi-07, 109 colony-forming units (CFU)/d), Synbiotic (8 g XOS + 109 CFU Bi-07/d) |
The volunteer were given 2 sachets of daily placebo which powders dissolved in water, milk or fruit juice: Placebo. maltodextrin (MDX; Syral) |
Bifidobacterium animals subsp. Lactis Bi-07, 109 CFU |
21 days |
Salivary IgA |
enzyme-based colorimetry |
SIgA(mg/mL): Change: −0.18 ± 0.50 N = 42 |
SIgA(mg/mL): Change: 0.06 ± 1.92 N = 41 |
No |
BMI for all subjects: were 25 ± 5 kg/m2. Subjects were healthy volunteers Symbiotic: 41 Prebiotic: 42 |
Sex, age, BMI |
Rizzardini et al. (2012) |
F: 118 M: 93 BB-12 cap: 53 (25/28) Placebo cap: 48 (27/21) L. casei 431: 56 (31/25) placebo drink: 54 (35/19) |
20–60 |
Parallel |
Intervention groups consumed a minimum of 109 colony-forming units of BB-12 (capsule) or L. casei 431 (dairy drink) once daily (110 ml). |
Placebo groups consumed matched placebo capsule or placebo drink once daily (110 ml). |
Bifidobacteriumanimalis ssp. lactis (BB-12) capsule and Lactobacillus paracasei ssp. paracasei (L. casei 431) drink |
6 weeks |
Salivary IgA, IgG, IgM |
salivary IgA were analysed using Human Secretory IgA SIgA ELISA Kit, total salivary IgGand IgM were analysed using the Quantitative Human IgG/IgM ELISA Kit |
BB-12: Change, SIgA (mg/mL): Change: 57.88 ± 612.98 N = 53 Change, SIgG (U /mL): Change: 2.74 ± 153.02 N = 53 Change, SIgM (U/mL): Change: 1.38 ± 220.66 N = 53 L. casei 431: Change, SIgA(U/mL): Change: 59.33 ± 594.73 N = 56 Change, SIgG (U/mL): Change: −4.61 ± 176.15 N = 56 Change, SIgM (U/mL): Change: 4.29 ± 203.53 N = 56 |
BB-12: Change, SIgA (U/mL): Change: 49.1 ± 446.36N = 48 Change, SIgG (U/mL): Change: -5.23 ± 173.94 N = 48 Change, SIgM(U/mL): Change: 6.77 ± 240.12 N = 48 L. casei 431: Change, SIgA (U/mL): Change: 51.26 ± 525.08 N = 54 Change, SIgG (U/mL): Change: -1.90 ± 133.99 N = 54 Change, SIgM (U/mL): Change: 0.88 ± 204.55 N = 54 |
2 weeks after intervention, a seasonal influenza vaccination was given to all subjects. |
BMI for subjects: BB-12 cap: 22.8 ± 4.1 Placebo cap: 22.4 ± 3.8 L. casei 431: 24.6 ± 4.3 placebo drink: 22.8 ± 3.6 Subjects were healthy volunteers |
No |
Cox et al. (2008) |
F: 0 M: 20 Both: 20 |
27.3 |
Cross-over |
Intervention group was given 3hard gelatin capsules twice daily with food (L fermentum VRI-003 (PCC), contained a minimum of two billion of Lactobacillus fermentum strain VRI-003) |
Placebo group was given identical 3 placebo capsules twice daily with food. |
Lactobacillus fermentum strain VRI-003 |
1 month (28 days) intervention 4 months (14 week) |
Salivary IgA, IgA1 and albumin |
SIgA and SIgA1: ELISA assay |
SIgA (mg/mL): Before:56.0 ± 35.4%Change:29.0 ± 80.7 N = 20 SIgA1 (mg/mL): Before:94.5 ± 63.4%Change:21.3 ± 67.0 N = 20 |
SIgA (mg/mL): Before:69.2 ± 44.7%Change:27.5 ± 58.9 N = 20 SIgA1 (mg/mL): Before:92.7 ± 34.4%Change: 23.6 ± 64.6 N = 20 |
No |
Subjects were healthy volunteers |
No |
Kekkonen et al. (2008) |
F: 45 M: 17 Both: 62 Lactobacillus rhamnosus GG: 13 Bifidobacteriumanimalis ssp. LactisBb12: 16 Propioni-bacterium freudenreichii ssp. Shermanii JS: 17 Placebo: 16 |
44 23–58 |
Parallel |
The subjects were advised to consume a 250 mL milk-based fruit drink daily for 3 wk containing either: L. rhamnosus GG (ATCC 53103) (LGG) bacteria, on average 6.2 × 107 cfu/mL (daily dose of 1.6 × 1010 cfu); B. animalis ssp. lactis Bb12 (Bb12) bacteria, 1.4 × 108 cfu/mL (daily dose of 3.5 × 1010cfu); P. freudenreichii ssp. shermanii JS (DSM 7067) (PJS) bacteria, 1.3 × 108 cfu/mL (daily dose of 3.3 × 1010 cfu) |
Control group received a placebo drink without any probiotic bacteria. |
Lactobacillus rhamnosus GG (LGG), Bifidobacterium animalis ssp. lactis Bb12 (Bb12), or Propionibacteriumfreudenreichii ssp. shermanii JS (PJS) |
3 weeks |
Salivary IgA |
ELISA assay |
LGG: SIgA(mg/mL): Before:270 ± 210 After: same before N = 13 BB-12: SIgA (mg/mL): Before:400 ± 450 After: same before N = 16 PJS: SIgA (mg/mL): Before:280 ± 240 After: same before N = 17 |
Placebo:SIgA (mg/mL):Before:230 ± 140 After: same before N = 16 |
No |
BMI for subjects: 2418–30 Subjects were healthy volunteers |
No |