Changes of cell wall structure,composition and hydrolytic enzymes in fruit softening process

The changes of cell wall structure,composition and hydrolytic enzymes in fruit softening process are summarized in the present paper.In most cases,the occurrence of fruit softening is due to the degradation caused by polygalacturonase,cellulase,pectinmethylesterase,β-galactosidase.The degradation will lead to the changes of cell wall structure and composition,and in the end the fruit softening occurs.The other research results show that the other factors are also involved in the fruit softening process,and thus it is very important to intensify the physiology and biochemical study referring to fruit softening.