Can Tieguanyin be drunk after 7 years?

In my country's tea culture, different varieties have different tea culture histories, and the taste of tea from different origins is also different. Tieguanyin is a variety that is more popular with everyone. When the new tea is off the market, many people will buy a few more kilograms to keep, but can Tieguanyin be drunk after being stored for 7 years? Tea also has a shelf life, but is seven-year-old Guan Tieyin really drinkable? In fact, the shelf life of tea is about two years, and it needs a good storage environment to be stored for seven years, otherwise it cannot be drunk.

1. Shelf life of Tieguanyin

1. After light fermentation, the shelf life is generally about three months;

2. After high temperature baking, it can be stored for ten to twenty years and can be aged.

3. If vacuum-compressed and stored at -5°C, the shelf life is two years.

2. If the Tieguanyin that has been stored for a long time does not become moldy, you can drink it, but the flavor will be gone.

3. Tieguanyin Effects

1. Contains a mixture of flavonoids, which has bactericidal and detoxifying effects and can relieve greasiness;

2. It contains manganese, iron, fluorine, potassium and sodium, which are effective in preventing and treating dental caries and osteoporosis in the elderly;

3. The vitamins, caffeine, amino acids, minerals, tea polyphenols, etc. contained in it are effective in promoting brain development and improving intelligence. For storage periods of less than six months, it is most economical and effective to maintain the refrigeration temperature at 0 to 5 degrees Celsius; for storage periods of more than half a year, freezing (-10 to -18 degrees Celsius) is better.

Additional information:

Tieguanyin tea, a traditional Chinese famous tea, belongs to the green tea category and is one of the top ten famous teas in China. It originated in Xiping Town, Anxi County, Quanzhou City, Fujian Province, and was discovered between 1723 and 1735. "Tieguanyin" is not only the name of tea, but also the name of tea tree variety. Tieguanyin tea is between green tea and black tea, and belongs to semi-fermented tea. Tieguanyin has unique "Guanyin charm", elegant fragrance, natural orchid fragrance after brewing, pure and strong taste, rich and long-lasting aroma, and is known for "lingering fragrance after seven brews".

In addition to the health functions of general tea, it also has the effects of anti-aging, anti-atherosclerosis, prevention and treatment of diabetes, weight loss and bodybuilding, prevention and treatment of tooth decay, clearing away heat and reducing fire, fighting smoking and sobering up.

Tieguanyin contains high levels of amino acids, vitamins, minerals, tea polyphenols and bioalkali, and has a variety of nutritional and medicinal ingredients, and has health-care functions. It was introduced from Anxi, Fujian Province to Muzha District for trial planting in the eighth year of the Republic of China. It is divided into two types, "Red Heart Tieguanyin" and "Green Heart Tieguanyin". The main production area is Wenshan. The trees are horizontally spreading, with thick and hard branches, sparse leaves, few buds and thick leaves. The yield is not high, but the quality of the packaged tea is high. The production period is later than that of Green Heart Oolong. The tree is slightly shaped, and its leaves are oval, thick and fleshy. The leaves are flat and spread out.