Why does Puerh Tea get more and more fragrant by aging

Why does the raw Pu’er get more and more fragrant by aging? Without the process of roasting, the enzymes in the tea are still active. So after being exposed to the air, there’s a transformation inside the tea itself naturally, which is what we called aging. During the aging process, the beneficial ingredients contained in the tea will not disappear, and some irritating ingredients will be alleviated. Due to the special taste of Pu’er tea, the longer it is preserved, the richer the taste will be