Starter culture

Free amino groups

(mmol leucine equivalent/mL of extract)

Day 1

Day 7

Day 14

Commercial starter culture + Lb. casei B-1922

1.97 ± 0.05^aA

1.86 ± 0.05^aB

1.17 ± 0.02^bC

Commercial starter culture + Lb. paracasei B-4560

0.93 ± 0.04^dC

1.21 ± 0.07^bA

1.06 ± 0.08^cB

Commercial starter culture + Lb. rhamnosus B-442

1.08 ± 0.00^cA

1.14 ± 0.07^bA

1.07 ± 0.05^cA

Commercial starter culture + Lb. rhamnosus B-1445

1.15 ± 0.03^bB

1.15 ± 0.04^bB

1.31 ± 0.02^aA