Puerh tea is both raw and ripe tea.

1. Puerh raw tea. Natural oxidative fermentation. Large-leafed sun green tea, whether steamed and molded into tightly pressed tea or loose tea, before oxidation occurs, it is essentially Dianqing, or green tea. It has a high content of tea polyphenols and a raw, astringent and stimulating flavor. Dianqing after a certain number of years of storage, the oxidation of tea polyphenols to reduce the taste tends to mellow, better taste, and the history of Pu'er tea similar.

2, Puerh ripe tea. Microbial fermentation. Pu-erh ripe tea, which is Pu-erh tea that has undergone high-temperature osmosis, is also called artificially fermented Pu-erh tea, or modern process Pu-erh tea. In order to meet the needs of the consumer market in Hong Kong and other places, and to solve the problem of long natural post-fermentation time of Pu-erh tea, in 1973, Yunnan began to develop the technology of ovo-pile, and in 1975, the technology of ovo-pile was successfully tested in Yunnan Kunming Tea Factory.

Yunnan green tea, after artificial splash of water Ottawa, adjust the water, temperature, oxygen, microbial and water-heat effect, rapid fermentation 40-60 days, become Puerh ripe tea, do not have to store, that is, the flavor of the old aroma of rich and mellow.

Puerh Tea Shelf Life:

The shelf life of Puerh Tea ranges from 10 to 20 years. Generally speaking, the shelf life of Puerh raw tea is 5~10 years, while the shelf life of Puerh ripe tea is around 10~20 years. Pu-erh tea belongs to a longer storage time of a tea, the longer the storage time, the better the taste, Pu-erh tea, although the shelf life is longer, but not always be able to long-term storage, general Pu-erh tea in about 10 ~ 15 years to drink, the taste is the best, the taste is pure, the aroma lasts.

Pu-erh tea storage environment is not demanding, but need to be properly preserved, improper preservation is easy to deteriorate, you can Pu-erh tea in a wooden box inside the preservation of the preservation of the time to avoid humid places, you can put the wooden box on top of the shelves, do not lean against the wall or put on the ground.

Refer to Baidu Encyclopedia-Pu-erh Tea for more information