Processing of persimmon leaf tea

Persimmon leaf tea is a new type of health drink made from persimmon leaves. Persimmon leaves contain tannin, choline, protein, minerals, sugars, flavonoids and other useful substances, especially rich in vitamin C, each lOOg fresh persimmon leaves contain vitamin C1s. Often drink persimmon leaf tea, with laxative and diuretic, blood purification, antibacterial detumescence and other health functions.

The key points of its processing technology are as follows:

1. Pick leaves at the right time. It is appropriate to collect persimmon leaves in summer and autumn, when the fruit is basically stereotyped, and persimmon leaves are thick, rich in nutrients, and the medicinal effect is the best. After September, the persimmon leaves turned cool with the weather, the chlorophyll gradually decreased, the leaves turned red, and the nutrients decreased significantly, so it was not suitable to reprocess persimmon leaf tea.

2. Rinse and remove pulse. The collected persimmon leaves are washed and drained with clean water, then the stalks are removed and the thick veins are removed.

3. Moderate killing. Killing green can fix the freshness of raw materials, keep the color bright, destroy the oxidase in the tissue, and prevent the oxidative decomposition of vitamin C and other components in persimmon leaves. By killing, the cells on the surface of the raw materials can be destroyed, and the water exudation can be accelerated, which is beneficial to drying. When killing the green, put the persimmon leaves in the bamboo basket, soak them in a 1OO ℃ boiling water pan for 2-3 minutes and spread them out immediately to cool.

4. Shred and twisted. Cut the cool persimmon leaves into thin shreds with a knife, pile them on a smooth board, gently rub them with your hands for 3-5 minutes, then spread them flat on the bamboo curtain and let them dry in a ventilated place or in a drying room. In the process of drying, avoid direct sunlight, Rain Water soaked, and frequently check to turn over to prevent mildew.

5. Preservation method. The fully dried persimmon leaf tea is sealed and packed in plastic bags or in other sealed containers and stored in a low temperature, cool and dry place. When drinking, 1g persimmon leaf tea with boiled water 350ml. Persimmon leaf tea can not be drunk with coffee, red and green tea and other alkaline drinks, so as not to reduce the efficacy.