ʻO ka protease Acid he protease me ka hana kiʻekiʻe i loko o ke kaiapuni acidic, hiki ke wāwahi i ka paʻa peptide protein a hoʻopau i ka protein macromolecular i polypeptide a i ʻole amino acid. Hoʻopuka nui ʻia e ka microorganism fermentation e like me Aspergillus Niger a me Aspergillus oryzae. Loaʻa i kā mākou huahana nā pōmaikaʻi nui, i koho ʻia i nā ʻano microbial kiʻekiʻe kiʻekiʻe, ma o ke kaʻina hana fermentation holomua, e hōʻoia i ka hana kiʻekiʻe a me ke kūpaʻa o nā enzymes.
