Preparation method of litsea coreana tea beverage

Abstract

The invention discloses a preparation method of a litsea coreana tea beverage, and relates to the field of tea beverages. The preparation method comprises the following steps of crushing litsea coreana of which the weight is 0.6-0.8% of the total weight of a pre-prepared beverage into litsea coreana powder, performing screening with a 50-mesh sieve, and performing weighing; adding water of which the weight is equivalent to 8-10 times of that of the litsea coreana powder to an extracting tank, performing heating at room temperature to 75-90 DEG C, adding the litsea coreana powder, performing extraction under stirring for 8-12 minutes, and performing filtration with a 200-300-mesh filter net so as to obtain a filtrate (1); performing extraction on filter residues under the equal conditions with water of which the weight is 4-6 times of that of the filter residues for 4-6 minutes, and performing filtration with a 200-300-mesh filter net so as to obtain a filtrate (2); and mixing the filtrate (1) with the filtrate (2) to obtain mixed filtrate, adding the mixed filtrate into the extracting tank, performing heating to 60-80 DEG C, reducing the pressure to minus 15KPa to minus 20KPa, performing concentration, collecting condensate namely aromatic water, when the weight of the collected aromatic water is 1-1.5 times of that of the litsea coreana powder, stopping collecting the aromaticwater, continuing performing concentration until the weight of concentrated substances is 1 / 4-1 / 3 of that of the total filtrate, performing spray drying to obtain dry powder, and mixing and blendingthe dry powder with the aromatic water, white granulated sugar of which the weight is 5%-8% of the total weight of the beverage, citric acid of which the weight is 0.002%-0.005% of the total weight ofthe beverage and the balance of water. The tea beverage prepared by the preparation method disclosed by the invention can remove summer-heat, quench thirst, promote digestion, remove food retention and strengthen immunity of human bodies, the quality is easy to control, and the mouth feel is good.

Description

technical field [0001] The invention relates to the field of tea beverages, in particular to a method for preparing white tea beverages. Background technique [0002] The drinking of white tea (Litsea Coreanaleve.Vat.) has a long history among the people. After picking its young buds and processing them, it can be used as tea. I feel that it can relieve summer heat, quench thirst, refresh the mind and add to the fun. There are folk sayings to relieve summer heat, invigorate the stomach and open the spleen. "Compendium of Materia Medica" has records such as "relieving cough, eliminating phlegm, relieving asthma, relieving summer heat and quenching thirst". [0003] The botanical classification of white tea: it belongs to Lauraceae, Xingia genus, Maobaopi Zhang, commonly known as "white tea", "old tea", also known as white tea, which belongs to evergreen trees with alternate leaves, thick leaves and dark green color. [0004] White tea contains a variety of ingredients, such...

AI Technical Summary

Problems solved by technology

There are no reports on the extraction and purification of white tea active flavonoid components and the preparation of white tea flavonoid buccal tablets