It was observed by transmission electron microscope that the fruit cell wall degraded,organelle decomposed,and plasma lost.The cell was empty and supported only by light cell wall fibril.

• 在透射电镜下观察，随着贮藏时间的延长，果肉细胞壁降解，细胞器解体，细胞质逐渐消失，细胞空泡化，到贮藏后期只剩下松散细胞壁支架，说明菠萝后熟过程是一个衰老的过程。