Each experiment consisted of six batches of sausages: (1) a control batch (C), consisting of the initial mixture alone; a batch P, which was like batch C but to which was added 300 U/kg of papain (E.C. 3.4.22.2) (Sigma, St. Louis, MO), and two more batches for each extract: batch E, which was like batch C but with the ICFE (135 mg protein/kg) of the corresponding microorganism (L. sakei GO and B. pumilus), and batch EP, which was made with the corresponding amount of the ICFE and papain