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Blueberry flower scented tea product and making technology thereof

A technology of blueberry flowers and products, which is applied in the field of tea processing, can solve the problems of single blueberry tea products, light color of tea soup, monotonous aroma, etc., and achieve the effect of good drinking, bright red soup color, harmonious and long-lasting aroma

Inactive Publication Date: 2016-09-07
长沙湘资生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0018]Aiming at the problems of the existing blueberry tea such as too light aroma and too light color of tea soup, the present invention uses modern essence extraction and other technologies to solve the problem of single product and monotonous aroma of traditional blueberry tea to provide a new type of blueberry scented tea product that can improve the quality of soup color, is convenient for brewing, and is natural and healthy

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] After crushing 1 kg of blueberry flower calyx, put it in a 5L barrel, and put it into the extraction kettle, install the pressure ring and sealing ring, tighten the plug, then turn on the freezer, and separate the extraction kettle, separation kettle Ⅰ, and Adjust the temperature controller of kettle II to the required set temperature; when the temperature of the refrigerator drops to about 0°C, the temperature of the extraction kettle and separation kettle I reaches 55°C, and the temperature of the separation kettle II reaches 40°C, open the gas cylinder and open the valve 2(CO 2 Liquefied in the cold cycle), then turn on the high-pressure pump to pressurize, when the extraction pressure of the extraction kettle reaches 20MPa, adjust the shut-off valve to balance the pressure of the extraction kettle, and then adjust the valve to control the pressure of the separation kettle I and the separation kettle II of the extraction kettle, Wait until the pressure of separation ...

Embodiment 2

[0041] Embodiment 2: the preparation method of blueberry scented tea product

[0042] Take 10Kg of blueberry tea powder (made from young blueberry leaves according to the conventional green tea production method) as raw material, add 0.1Kg of β-cyclodextrin, mix with 15Kg of water, place at 80°C, stir and extract for 60min, 2 layers Filtrate under gauze to remove tea dregs to obtain extract, after spray drying, the inlet air temperature is 165°C-185°C, the outlet air temperature is 65°C-85°C; the speed of the sampling pump is 450-700 rpm, Sample pressure range is 1~2MPa, obtains instant blueberry tea powder, for subsequent use; 10Kg blueberry tea is placed in an airtight container, spread out evenly, the 200mL blueberry flower concentrate that the lower layer places a certain amount of embodiment 1 gained, and blueberry Heat the flower concentrate at 55°C, turn the blueberry tea 2 to 5 times in the middle, so that the tea in the airtight container can fully absorb the natural ...

Embodiment 3

[0043] Embodiment 3: the preparation method of blueberry scented tea

[0044] After crushing 10Kg of blueberry flower calyx, use supercritical CO 2 Fluid extraction method, obtain the volatile matter of blueberry flower--blueberry flower concentrate, set aside. Take 10Kg of black tea powder as raw material, add 0.1Kg of β-cyclodextrin, mix with 15Kg of water, place at 80°C, stir and extract for 60 minutes, filter under 2 layers of gauze, remove tea dregs, and obtain an extract, which is sprayed Drying, the inlet air temperature is 165°C-185°C, the outlet air temperature is 65°C-85°C; the speed of the sampling pump is 450-700 rpm, and the sampling pressure range is 1-2MPa to obtain instant black tea powder for use; Put 10Kg of black tea in an airtight container, spread it out evenly, place a certain amount of 250ml blueberry flower concentrate obtained in Example 1 on the lower layer, and heat the blueberry flower concentrate at 60°C, and stir the black tea 2 to 5 times in the...

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Abstract

The invention provides a blueberry flower scented tea product and a making technology thereof. The making technology comprises putting various teas in the upper layer of an enclosed container, uniformly spreading the teas, arranging a flower fragrance concentrated solution obtained through conventional extraction in the lower layer, heating the blueberry flower concentrated solution to a temperature of 50-70 DEG C, wherein in heating, the tea is turned over 2-5 times, standing the tea at a temperature of 60-80 DEG C for 0.5-10h to obtain an aroma-improved scented tea, wherein in the whole aroma improvement process, the pressure is kept in 2-5atm, taking 80-100 parts of the aroma-improved scented tea and 8-15 parts of instant tea powder, carrying out mixing, drying the mixture until water content is 7% or less and carrying out packaging. The making technology fully utilizes advantages of the traditional tea and instant tea making technologies, especially improves a tea primary dissolution rate and improves teabag quality.

Description

Technical field: [0001] The invention belongs to the field of tea processing, and relates to a production process of a novel blueberry scented tea, and more specifically relates to a process for extracting blueberry flower fragrance, instant tea powder and its extract. Background technique [0002] Blueberry, also known as blueberry, belongs to the Rhododendronaceae Vaccinium plant. The fruit is blue. In addition to rich nutrients, it also contains anthocyanins, which can prevent brain neurasthenia, enhance heart function, improve eyesight and fight cancer. Therefore, it is listed as one of the five health foods for human beings by the International Food and Agriculture Organization. At present, Northeast my country, East China, Central China, and South China have begun to plant suitable blueberry varieties on a large scale. Blueberry flowers are mostly milky white or pink, altar-shaped or inverted bell-shaped, and the flowering period can last for more than one month. Anth...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23F3/14A23F3/18A23F3/40
CPCA23F3/14A23F3/18A23F3/405
Inventor 向华唐忠海
Owner 长沙湘资生物科技有限公司
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