I-300: sausages containing 300 g immobilized L. casei/kg of stuffing mixture,
I-100: sausages containing 100 g immobilized L. casei/kg of stuffing mixture,
I-30: sausages containing 30 g immobilized L. casei/kg of stuffing mixture,
Fr: sausages produced with free L. casei,
NC: sausages produced by no adjunct culture.
Nd: Not detected.