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Polygonum cuspidatum instant tea

A technology of instant tea and Polygonum cuspidatum, applied in tea extraction, tea treatment before extraction, etc., can solve the problems that there are no reports of Polygonum cuspidatum instant tea

Inactive Publication Date: 2017-05-03
重庆市富友畜禽养殖有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] At present, there is no report of Polygonum cuspidatum instant tea on the market

Method used

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  • Polygonum cuspidatum instant tea
  • Polygonum cuspidatum instant tea

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] Example 1 Knotweed Preparation of extract

[0030] The preparation of Polygonum cuspidatum extract is carried out according to the following steps:

[0031] Take 50 parts by weight of Polygonum cuspidatum, add water 12 times the total weight of Polygonum cuspidatum, extract at 70°C for 90 minutes, and filter to obtain Polygonum cuspidatum extract;

Embodiment 2

[0032] Example 2 Preparation of black tea extract

[0033] The black tea extract is obtained by mixing black tea and water according to the mass ratio of material to liquid of 1:10, adding tannase to the resulting mixture, fermenting at 45°C for 50 minutes, and filtering to obtain the black tea extract; Tannase is added according to the amount of 8 units of enzyme per gram of black tea.

Embodiment 3

[0034] Example 3 Preparation of Polygonum cuspidatum instant tea

[0035] Prepare according to each component specified in Table 1, the specific method is as follows:

[0036] The knotweed extract and the black tea extract are respectively filtered through an ultrafiltration membrane with a molecular weight of 5000, and then concentrated with a reverse osmosis membrane concentration device. After starting up, the pressure is controlled at 15kgf / cm 2 , and then with the increase of concentration and viscosity, increase the pressure, and control the pressure at 25kg f / cm during the concentration process 2 , concentrated to a solid content of 40-50%, the two components obtained after the concentration are mixed evenly, and freeze-dried to obtain a Chinese medicine instant tea with anti-cancer and health-care functions.

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PUM

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Abstract

The invention belongs to the field of traditional Chinese medicine health-caring, and particularly relates to polygonum cuspidatum instant tea and a preparation method thereof. The polygonum cuspidatum instant tea is prepared from the following raw materials in parts by weight: 2-10 parts of a polygonum cuspidatum extract, and 20-40 parts of a black tea extract. The preparation method of the polygonum cuspidatum instant tea comprises the following steps: respectively filtering the the polygonum cuspidatum extract and the black tea extract by using ultra-filtration membranes of which the molecular weight is 5000-7000; concentrating the filtrates by carrying out reverse osmosis until the solid contents are 40-50%; uniformly mixing the two concentrated components; and freeze-drying the mixture. The polygonum cuspidatum instant tea has improved taste. Being tasted, the polygonum cuspidatum instant tea is free of bitter and astringent taste, as well as free of traditional Chinese medicine smell. Thus, the polygonum cuspidatum instant tea is suitable for long-term drinking. Moreover, the black tea is prepared by carrying out fermentation with tannase, so that the bitter and astringent taste of the black tea is thereby reduced. The tea beverage prepared by brewing the polygonum cuspidatum instant tea is clear and free of precipitation; thus, the polygonum cuspidatum instant tea is apt to be drunk every day.

Description

technical field [0001] The invention belongs to the field of traditional Chinese medicine health care, in particular to instant tea of ​​Polygonum cuspidatum. Background technique [0002] Instant tea is a solid beverage tea that can be quickly dissolved in water. Using finished tea, semi-finished tea, tea by-products or fresh leaves as raw materials, through extraction, filtration, concentration, drying and other processes, it is processed into a new type of granular, powdery or small flakes that are easy to dissolve in water without tea dregs. The beverage has the advantages of being convenient for brewing and carrying, and does not contain pesticide residues. Instant tea is a new kind of tea that became popular abroad in the middle of the 20th century, and it is also the product of the combination of modern tea biochemistry and chemical equipment. [0003] Instant tea is divided into two types: pure tea and seasoning blended tea. Common pure teas include instant black t...

Claims

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Application Information

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IPC IPC(8): A23F3/14A23F3/16
Inventor 罗勇
Owner 重庆市富友畜禽养殖有限公司
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