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Dendrobium officinale black tea and preparation method thereof

A technology for Dendrobium officinale and dark tea, which is applied to the field of Dendrobium officinale black tea and its preparation, can solve the problems of low nutritional value, waste of resources, loss of nutrition of Dendrobium officinale, etc., and achieves fast and convenient brewing, mellow taste, and beautifully stretched tea leaves. Effect

Inactive Publication Date: 2017-07-25
珠海仙茶美文化产业发展有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there are many kinds of tea products related to Dendrobium candidum in the market, but those combined with black tea have not been seen, and most of the teas of Dendrobium candidum are made of stems, leaves or flowers of Dendrobium candidum, which is easy to cause dendrobium candidum in the production process Loss of internal nutrition, low nutritional and health value, resulting in waste of resources

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] The freshly picked Dendrobium officinale was washed, cored, crushed, and passed through a 40-mesh sieve to obtain Dendrobium officinale powder; the above-mentioned Dendrobium officinale powder was added to 5 times the weight of 70% ethanol solution, soaked for 12h, and extracted under reflux at 60°C. 2 times, 1.5h each time, filter and combine the filtrate; centrifuge the filtrate at 4000r / min for 10min, take the supernatant and concentrate it to a relative density of 1.1.

[0023] Prepare Dendrobium officinale extract and black tea in a weight ratio of 1:5.

[0024] Pile the black tea evenly on the mat with a thickness of 10cm, and spray the extract of Dendrobium officinale on the black tea evenly in 3 times. After each spraying, cover with cotton and linen cloth, turn the pile and spray it after 2 hours, and stack it for 10 hours.

[0025] Place the fermented Dendrobium candidum black tea in a vacuum freeze dryer, firstly lower the temperature to -50°C, with a cooling rate o...

Embodiment 2

[0028] The freshly picked Dendrobium officinale is washed, cored, crushed, and passed through a 60-mesh sieve to obtain Dendrobium officinale powder; the above-mentioned Dendrobium officinale powder is added to 6 times weight of 80% ethanol solution, soaked for 15h, and extracted at 80°C under reflux 3 times, 2h each time, filter and combine the filtrate; centrifuge the filtrate at 5000r / min for 15min, take the supernatant and concentrate it to a relative density of 1.25.

[0029] Prepare Dendrobium officinale extract and black tea in a weight ratio of 1:10.

[0030] Pile the black tea evenly on the mat with a thickness of 20cm. Spray the extract of Dendrobium officinale on the black tea evenly in 3 times, cover with cotton and linen cloth after each spraying, and spray it while turning the pile after 3 hours, and stack it for 15 hours.

[0031] Place the fermented Dendrobium candidum black tea in a vacuum freeze dryer, first reduce the temperature to -30°C, with a cooling rate of 5°...

Embodiment 3

[0034] The freshly picked Dendrobium officinale was washed, cored, crushed, and passed through a 50-mesh sieve to obtain Dendrobium officinale powder; the above-mentioned Dendrobium officinale powder was added to 5.5 parts by weight of 75% ethanol solution, soaked for 13 hours, and extracted at 75°C under reflux 2.5 times, 1.7h each time, filter and combine the filtrate; centrifuge the filtrate at 4500r / min for 13min, take the supernatant and concentrate to a relative density of 1.21.

[0035] Prepare Dendrobium officinale extract and black tea in a weight ratio of 1:8.

[0036] Pile the black tea evenly on the mat with a thickness of 16cm. Spray the extract of Dendrobium officinale on the black tea evenly in 3 times. After each spraying, cover with cotton and linen cloth. After 2.5h, spray it while turning the pile for 12h.

[0037] Place the fermented Dendrobium candidum black tea in a vacuum freeze dryer, first reduce the temperature to -40°C, with a cooling rate of 5°C / min, freez...

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PUM

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Abstract

The present invention discloses dendrobium officinale black tea and a preparation method thereof. A dendrobium officinale extract and black tea are mixed at a weight ratio of 1:(5-10) to prepare the dendrobium officinale black tea. The dendrobium officinale extract and black tea complement each other. The preparation method maximally preserves nutritional ingredients in the dendrobium officinale and the dendrobium officinale black tea has functions of lowering lipids and enhancing immunity in a long-term drinking.

Description

Technical field [0001] The invention relates to the field of food processing, in particular to a black Dendrobium officinale tea and a preparation method thereof. Background technique [0002] Dendrobium officinale (scientific name: DendrobiumofficinaleKimuraetMigo), also known as black knotweed, belongs to the order of Trichodes and is a perennial epiphytic herb of the orchid family. It is mainly distributed in Anhui, Zhejiang, Fujian and other places in China. Its stem is used as medicine and belongs to the yin tonic in tonic medicine. Dendrobium officinale has the functions of producing body fluid, lowering blood sugar, and enhancing immunity. The "Tao Zang" in the Kaiyuan period of the Tang Dynasty listed Dendrobium officinale as the first of the nine immortals. At present, there are many kinds of tea products related to Dendrobium candidum on the market, but none of them are combined with black tea. Most of the Dendrobium candidum tea uses stems, leaves or flowers of Dendr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23F3/14A23F3/08
CPCA23F3/14A23F3/08
Inventor 谭郁俊温惠琴
Owner 珠海仙茶美文化产业发展有限公司
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