Preparation method of selenium-enriched white tea and selenium-enriched white tea prepared by the method

Abstract

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. The method includes: controlling the growth temperature of the tea tree at 25-35°C 18-22 days before picking the tea leaves, and spraying an organic selenium solution on the tea buds once every ten days; fermented for 3-4 hours to obtain fermented tea leaves; the fermented tea leaves were dried to a water content of 6-10% at a relative humidity of 70-80% and a temperature of 24-28°C to obtain rich Selenium white tea. The selenium-enriched white tea prepared by the preparation method of the invention can remove excessive oxygen free radicals in the human body and prevent the destruction of cell membrane lipid peroxidation, and its anti-free radical effect is 300-500 times that 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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