后熟作用，通常是指果实离开植株后的成熟现象，是由采收成熟度向食用成熟度过度的过程。例如成熟种子离开母体后，需要经过一系列的生理生化变化后才能完成生理成熟而具备发芽的能力的一个生理过程。
由于后熟作用，经过一定时间贮藏的普洱茶，品质会得到提高，价值也随之上升。
As after-ripening, storage of tea after a certain period of time, the quality will be improved, the value also increased.
普洱茶和其他茶叶相比是一种特别耐藏的茶，经过一定的时间存放，由于普洱茶的后熟作用，普洱茶的品质会随着存放年限的延长而提高。
Compared with other kinds of tea, Pu 'er tea can be stored for longer. Due to the post-maturing action, its quality improves with time.
果实采后仍然是活的有机体，其后熟软化是一个复杂的生理生化变化过程，其中细胞壁降解酶起着重要的调控作用。
Postharvest fruits are still alive, fruit ripening and softening is a complicated development course of physiological and biochemical changes, and it is regulated by cell wall degrading enzymes.
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