Preparation method of selenium-rich white tea and selenium-rich white tea prepared with method

Abstract

The invention relates to the field of tea preparation, in particular to a preparation method of selenium-rich white tea and the selenium-rich white tea prepared with the method. The method comprises steps as follows: the growth temperature of a tea tree is controlled in the range of 25-35 DEG C about 18-22 days earlier than tea picking, and an organic selenium solution is sprayed on tea buds for each ten days; the tea is fermented for 3-4 hours under the condition of relative humidity of 70%-80%, and fermented tea is obtained; and the fermented tea is dried under the condition of relative humidity of 70%-80% at the temperature of 24 DEG C-28 DEG C until the water content is 6%-10%, and the selenium-rich white tea is obtained. The selenium-rich white tea prepared with the preparation method can clear excessive oxygen radical in a human body, lipid peroxidation damage of a cell membrane is prevented, and the anti-free radical action of the selenium-rich white tea is 300-500 times of vitamin E and vitamin C.

Description

technical field [0001] The invention relates to the field of tea preparation, in particular to a method for preparing selenium-enriched white tea and the selenium-enriched white tea prepared by the method. Background technique [0002] White tea is one of the six major teas in China. White tea has the characteristics of complete appearance, full body, fresh fragrance, clear yellow-green soup, light taste and sweet aftertaste. It is a slightly fermented tea and is a special treasure among teas in my country. It is named because the finished tea is mostly bud heads, covered with pekoe, like silver and snow. [0003] White tea is the treasure of tea, with excellent medicinal properties. According to folk long-term drinking and practice and modern scientific research, white tea has the effects of hangover and hangover, clearing heat and nourishing lungs, calming liver and benefiting blood, anti-inflammatory and detoxifying, reducing blood pressure and fat, and eliminating fati...

AI Technical Summary

Problems solved by technology

[0005] There is also a precedent for combining green tea, black tea, black tea and selenium and realizing the preparation of selenium-rich tea (green tea, black tea, black tea) in the related art; but there is no report for the preparation of selenium-rich white tea. In view of the special efficacy of white tea performance, it is a technical problem to be solved urgently to provide a kind of preparation method of selenium-enriched white tea

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