9YANG C P, FUJITA S, ASHRAFUZZAMAN M D, et al. Purification and characterization of polyphenol oxidase from banana (Musa sapientum L.) pulp[J]. J Agric Food Chem, 2000, 48(7): 2732-2735.
10FUJITA S, SAARI N, MAEGAWA M, et al. Purification and properties of polyphenol oxidase from cabbage(Brassica oleracea L.)[J]. J Agric Food Chem, 1995, 43(5): 1138-1142.