1Donald Grierson,Gregory A. Tucker. Timing of ethylene and polygalacturonase synthesis in relation to the control of tomato fruit ripening[J] 1983,Planta(2):174~179
7NISHINARI K, FUJITA S, ITO T.Inhibition of apple polyphenoloxidase by ascorbic acid,citric acid sodium chloride[J]. Phyto chemistmy, 1993,17(1):21-30.