阅读说明：本技术 一种多穗石柯茶的制作方法 (Preparation method of lithocarpus polystachyus rehd tea ) 是由 汪艳霞 杨军成 李宏娅 陈锋 姚思迁 杨代星 马杰 梁满娟 章渝惠 于 2021-01-29 设计创作，主要内容包括：本发明公开了多穗石柯茶的制作方法,包括以下步骤采摘新鲜、无损伤的多穗石柯嫩芽,备用；摊晾1小时失水10％；C用微波杀青90分钟,摊晾30min；揉捻30min得到初干多穗石柯嫩芽；所述揉捻具体为轻揉5min后重揉10min,再空揉15min。所述初干多穗石柯嫩芽在温度为80℃条件初烘10分钟～15分钟,温度为60℃烘干机中烘干2h；所述多穗石柯嫩芽在温度为60℃的条件下复烘1小时后得到多穗石柯茶。本发明的多穗石柯茶采用微波杀青,分次烘干等工艺,生产得到的多穗石柯茶成品茶干茶较匀整,茶汤黄绿透亮,滋味甜味极高。(The invention discloses a preparation method of lithocarpus polystachyus rehd tea, which comprises the following steps of picking fresh and undamaged lithocarpus polystachyus rehd tender shoots for later use; spreading and airing for 1 hour to lose water by 10 percent; c, deactivating enzyme for 90 minutes by using microwaves, and spreading and airing for 30 minutes; kneading for 30min to obtain primary dry Lithocarpus litseifolius tender shoots; the kneading is carried out by gently kneading for 5min, then heavily kneading for 10min, and then air kneading for 15 min. Primarily drying the tender shoots of the lithocarpus polystachyus rehd for 10 to 15 minutes at the temperature of 80 ℃ and drying for 2 hours in a dryer at the temperature of 60 ℃; and re-drying the tender shoots of lithocarpus polystachyus rehd at the temperature of 60 ℃ for 1 hour to obtain the lithocarpus polystachyus rehd tea. The lithocarpus polystachyus rehd tea is prepared by adopting the processes of microwave enzyme deactivation, fractional drying and the like, and the finished lithocarpus polystachyus rehd tea is uniform and neat, has yellow green and bright tea soup and extremely high sweet taste.)

1. A preparation method of lithocarpus polystachyus rehd tea is characterized by comprising the following steps:

the method comprises the following steps:

A. picking fresh and undamaged lithocarpus polystachyus rehd tender shoots for later use;

B. spreading and airing for 1 hour, and dehydrating for 10-15 percent;

C. deactivating enzyme with microwave for 90 min, spreading and air drying for 30 min;

D. kneading for 30min to obtain primary dry Lithocarpus litseifolius tender shoots;

E. primarily drying the tender shoots of the lithocarpus polystachyus rehd for 10 to 15 minutes in a dryer at the temperature of between 80 and 90 ℃ and drying for 2 hours in a dryer at the temperature of between 60 ℃;

F. and re-drying the tender shoots of lithocarpus polystachyus rehd at the temperature of 60 ℃ for 1 to 1.2 hours to obtain the lithocarpus polystachyus rehd tea.

2. The method for making lithocarpus polystachyus rehd tea as claimed in claim 1, wherein the method comprises the following steps: in the spreading and airing process, the tea leaves are turned over once every 10 to 20 minutes.

3. The method for preparing lithocarpus polystachyus rehd tea as claimed in claim 1, wherein the method comprises the following steps: the microwave treatment is programmed microwave treatment, and specifically comprises the following steps: the power is 50W and the temperature is 60-70 ℃ when 0-10 min; 11-13min, power 350W, temperature 100-; 13-15min, power 70W and temperature 30-35 ℃.

4. The method for preparing lithocarpus polystachyus rehd tea as claimed in claim 1 or 3, wherein the kneading is specifically light kneading for 5min, heavy kneading for 10min, and air kneading for 15 min.

5. The method for preparing lithocarpus polystachyus rehd tea as claimed in claim 1, wherein in the second step, the stacking thickness of the lithocarpus polystachyus rehd tender shoots in the spreading and drying process is 2 cm-4 cm.

6. The preparation method according to claim 1, wherein the thickness of the stacked young shoots of lithocarpus polystachyus rehd in the primary drying and secondary drying process is 4cm to 6 cm.

Technical Field

The invention belongs to the technical field of tea making, and particularly relates to a method for making lithocarpus polystachyus rehd tea.

Background

Lithocarpus polystachyus (wall.) Rehd is Lithocarpus polystachyus (wall.) Rehd of Fagaceae, and is distributed in the south of Yangtze river, and has effects of nourishing liver and kidney, and dispelling pathogenic wind and dampness; it is commonly used for lumbago due to kidney deficiency and arthralgia due to wind-dampness. The leaves have the effects of clearing away heat and toxic materials, eliminating phlegm, dispelling pathogenic wind, and lowering blood pressure; it is commonly used for damp-heat diarrhea and dysentery, cough due to lung heat, carbuncle, sore and ulcer, skin pruritus and hypertension. The fruit has the effects of harmonizing stomach and lowering adverse qi; it is commonly used for hiccup and dysphagia.

The lithocarpus polystachyus belongs to a medicine-food homologous plant and has three functions of tea, sugar and medicine. The tender leaves of Lithocarpus polystachyus (hook. f.) Rehd after being soaked have high sweet taste, and are called sweet tea. Lithocarpus polystachyus (wall.) Rehd has long drinking history as sweet tea, and ancient people mostly have the functions of clearing heat and removing toxicity, soothing nerves and reducing blood pressure. In recent years, the component detection of lithocarpus polystachyus rehd products shows that the sweet taste of the lithocarpus polystachyus rehd products comes from phlorizin components, the content of the phlorizin components reaches 12.6%, and the lithocarpus polystachyus rehd products belong to dihydrochalcones in flavone compounds, so that a method for preparing the lithocarpus polystachyus rehd tea is provided.

Disclosure of Invention

The invention aims to solve the defects of unstable physical and chemical properties and poor energy conversion rate effect in the prior art, and provides a preparation method of lithocarpus polystachyus rehd tea.

In order to achieve the purpose, the invention adopts the following technical scheme:

the invention comprises the following steps

Picking fresh and undamaged lithocarpus polystachyus rehd tender shoots for later use;

b, spreading and airing for 1 hour, and losing water by 10-15 percent;

c, deactivating enzyme for 90 minutes by using microwaves, and spreading and airing for 30 minutes;

d, kneading for 30min to obtain primary dry lithocarpus polystachyus rehd tender shoots;

e, primarily drying the tender shoots of the initially dried lithocarpus polystachyus rehd for 10 to 15 minutes in a dryer at the temperature of between 80 and 90 ℃ and drying the tender shoots for 2 hours in a dryer at the temperature of between 60 ℃;

f, re-drying the tender shoots of the lithocarpus polystachyus rehd at the temperature of 60 ℃ for 1 to 1.2 hours to obtain lithocarpus polystachyus rehd tea;

further, in the spreading and drying process, the tea leaves are turned over once every 10 to 20 minutes.

Further, the microwave treatment is a procedural microwave treatment, specifically: the power is 50W and the temperature is 60-70 ℃ when 0-10 min; 11-13min, power 350W, temperature 100-; 13-15min, power 70W and temperature 30-35 ℃.

Further, the kneading is specifically light kneading for 5min, heavy kneading for 10min, and air kneading for 15 min.

Further, in the spreading and drying process, the stacking thickness of the lithocarpus polystachyus rehd tender shoots is 2-4 cm.

Further, in the primary drying and secondary drying processes, the stacking thickness of the lithocarpus polystachyus rehd tender shoots is 4-6 cm.

Compared with the prior art, the invention has the beneficial effects that:

the lithocarpus polystachyus rehd tea is prepared by adopting the processes of microwave enzyme deactivation, fractional drying and the like, and the finished lithocarpus polystachyus rehd tea is uniform and neat, has yellow green and bright tea soup and extremely high sweet taste. Meanwhile, the preparation process is simple and convenient, and has important significance for increasing the variety of the herbal tea and promoting the development of the tea industry.

Drawings

FIG. 1 is a schematic flow chart of the present invention;

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Example 1:

picking fresh and undamaged lithocarpus polystachyus rehd tender shoots for later use; spreading and airing for 1 hour to lose water by 10 percent; c, deactivating enzyme for 90 minutes by using microwaves, and spreading and airing for 30 minutes; kneading for 30min to obtain primary dry Lithocarpus litseifolius tender shoots; the kneading is carried out by gently kneading for 5min, then heavily kneading for 10min, and then air kneading for 15 min. Primarily drying the tender shoots of the lithocarpus polystachyus rehd for 10 to 15 minutes at the temperature of 80 ℃ and drying for 2 hours in a dryer at the temperature of 60 ℃; and re-drying the lithocarpus polystachyus rehd tender shoots for 1 hour at the temperature of 60 ℃ to obtain the lithocarpus polystachyus rehd tea, wherein the stacking thickness of the lithocarpus polystachyus rehd tender shoots is 4 cm. In the spreading and drying process, the stacking thickness of the lithocarpus polystachyus rehd tender shoots is 4cm, and the lithocarpus polystachyus rehd tender shoots are turned over once every 10 minutes.

The microwave treatment is programmed microwave treatment, and specifically comprises the following steps: the power is 50W and the temperature is 60 ℃ when the time is 0-10 min; 11min, power 350W and temperature 100 ℃; 13min, power 70W and temperature 30 ℃.

Example 2:

picking fresh and undamaged lithocarpus polystachyus rehd tender shoots for later use; spreading and airing for 1 hour to lose water by 10 percent; c, deactivating enzyme for 90 minutes by using microwaves, and spreading and airing for 30 minutes; kneading for 30min to obtain primary dry Lithocarpus litseifolius tender shoots; the kneading is carried out by gently kneading for 5min, then heavily kneading for 10min, and then air kneading for 15 min. Primarily drying the tender shoots of the initially dried lithocarpus polystachyus rehd for 12 minutes at the temperature of 85 ℃ and drying for 2 hours in a dryer at the temperature of 60 ℃; and re-drying the lithocarpus polystachyus rehd tender shoots for 1 hour at the temperature of 60 ℃ to obtain the lithocarpus polystachyus rehd tea, wherein the stacking thickness of the lithocarpus polystachyus rehd tender shoots is 4 cm. In the spreading and drying process, the stacking thickness of the lithocarpus polystachyus rehd tender shoots is 4cm, and the lithocarpus polystachyus rehd tender shoots are turned over every 14 minutes.

The microwave treatment is programmed microwave treatment, and specifically comprises the following steps: the power is 50W and the temperature is 65 ℃ when the time is 0-10 min; 11-13min, power 350W and temperature 108 ℃; 14min, power 70W and temperature 32 ℃.

Example 3:

picking fresh and undamaged lithocarpus polystachyus rehd tender shoots for later use; spreading and airing for 1 hour to lose water by 10 percent; c, deactivating enzyme for 90 minutes by using microwaves, and spreading and airing for 30 minutes; kneading for 30min to obtain primary dry Lithocarpus litseifolius tender shoots; the kneading is carried out by gently kneading for 5min, then heavily kneading for 10min, and then air kneading for 15 min. Primarily drying the tender shoots of the lithocarpus polystachyus rehd at 90 ℃ for 15 minutes in a dryer at 60 ℃ for 2 hours; and re-drying the lithocarpus polystachyus rehd tender shoots for 1.2 hours at the temperature of 60 ℃ to obtain the lithocarpus polystachyus rehd tea, wherein the stacked thickness of the lithocarpus polystachyus rehd tender shoots is 4 cm. In the spreading and drying process, the stacking thickness of the lithocarpus polystachyus rehd tender shoots is 4cm, and the lithocarpus polystachyus rehd tender shoots are turned over every 20 minutes.

The microwave treatment is programmed microwave treatment, and specifically comprises the following steps: the power is 50W and the temperature is 70 ℃ when the time is 0-10 min; 11-13min, power 350W and temperature 110 ℃; 13-15min, power 70W and temperature 35 ℃.

Experiments show that the phlorizin can well inhibit the absorption of sugar by the human body and has the function of repairing insulin in the human body. The lithocarpus polystachyus rehd has the total flavonoid component content of 22.2 percent, the triterpenoid compound content of 2.25 percent and the polyphenol compound content of 6.18 percent, and has good effects of reducing fat, resisting tumors, resisting oxidation and resisting allergy. The lithocarpus polystachyus rehd tea is prepared by adopting the processes of microwave enzyme deactivation, fractional drying and the like, and the finished lithocarpus polystachyus rehd tea is uniform and neat, has yellow green and bright tea soup and extremely high sweet taste. Meanwhile, the preparation process is simple and convenient, and has important significance for increasing the variety of the herbal tea and promoting the development of the tea industry.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.