A mother mass comprising a mixture of Lactobacillus acidophilus, Lactobacillus delbrueckii subsp. bulgaricus, Streptococcus thermophilus, Lactobacillus plantarum, Lactobacillus casei, Bifidobacterium breve, Bifidobacterium infants, and Bifidobacterium longum, and a microbial proteolytic enzyme used in the bakery industry.Una masa madre que comprende una mezcla de Lactobacillus acidophilus, Lactobacillus delbrueckii subsp. bulgaricus, Streptococcus thermophilus, Lactobacillus plantarum, Lactobacillus casei, Bifidobacterium breve, Bifidobacterium infants, y Bifidobacterium longum, y una enzima proteolítica microbiana de uso en la industria de panificación.