How to tell the year of cooked Pu 'er tea cake?

1. Identification of outer packaging: Before 2005, the production date was not clearly marked on the packaging of Pu 'er tea cakes. Tea cakes before 2005 should be judged by packaging paper towels. The packaging paper towel of new tea is relatively new, feels marginal and looks white and neat. When the tea is cooked for about five years, the packaging tissue paper turns yellow and feels soft; More than ten years of ripe tea, the tissue paper is old, and even the oozing tea traces can be clearly seen;

2, look at the color: 1-3 years of cooked tea, the color is dark brown; Mature tea for more than 3 years gradually changed from dark brown to brown; /kloc-tea products over 0/0 years old changed from brown to reddish brown;

3. Compactness: 1-3 years old cooked tea is relatively compact, and you can obviously feel the compactness and thickness of tea when you pinch it; /kloc-cooked tea over 0/0 years old may be lignified and loose due to a series of enzymatic reactions during storage, and it feels loose and light when pinched;

4. Smell the tea: the cooked tea will have a "fishy smell", just like the fishy smell of seawater or the fishy smell of soil; The smell of cooked tea stored for about five years gradually dissipates, and gradually presents the fragrance of cooked tea, which may be accompanied by caramel fragrance and rice fragrance; Cooked tea stored for about ten years will show obvious aging fragrance.