Acid protease protease ne tare da babban aiki a cikin yanayin acidic, wanda zai iya karya haɗin furotin peptide kuma ya lalata furotin macromolecular zuwa polypeptide ko amino acid. Ana samar da shi ne ta hanyar ƙwayoyin cuta kamar su Aspergillus Niger da Aspergillus oryzae. Samfuran mu suna da fa'idodi masu mahimmanci, zaɓaɓɓun nau'ikan nau'ikan ƙwayoyin cuta masu inganci, ta hanyar haɓakar haɓakar haɓakar haɓaka, don tabbatar da babban aiki da kwanciyar hankali na enzymes.
