| BPs | Bioactive peptides |
| LAB | Lactobacilli |
| WSE | Water-soluble extracts |
| W-Sac | Dough with wheat flour fermented by baker’s yeasts |
| W-LAB | Dough with wheat flour fermented by a sourdough |
| S-Sac | Dough with spelt flour fermented by baker’s yeasts |
| S-LAB | Dough with spelt flour fermented by a sourdough |