Grape leaf black tea and preparation method thereof

A grape leaf and black tea technology, applied in the field of grape leaf black tea and its preparation, can solve the problems of unstable grape leaf pigment, affecting product taste and grade, and uneven cord wrapping, etc., to achieve excellent taste, high quality, The effect of stretching the shape

Inactive Publication Date: 2019-07-05
泰安中青松石农业科技有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There is also a method of making tea leaves from grape leaves, but the existing grape leaf tea inherits the traditional method of fixing and rolling. Neat, bitter tea taste, etc., especially the unstable pigment in the grape leaves, it is difficult to protect and maintain the soup color, which seriously affects the taste and grade of the product

Method used

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  • Grape leaf black tea and preparation method thereof
  • Grape leaf black tea and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Embodiment 1: the preparation of grape leaf black tea

[0029] 1. Harvesting: select the leaves of the color grape variety (Acolon), and harvest them on the 5th day after the frost.

[0030] 2. Cleaning: Clean the harvested grape leaves to remove the dust on the leaves.

[0031] 3. Cutting: Cut the cleaned grape leaves into about 2cm wide.

[0032] 4. Steam treatment: Treat the cut grape leaves with steam at 120°C for 5 minutes until the leaves are slightly soft, which is convenient for the stability of the leaf pigment and the protection of the soup color.

[0033] 5. Finishing: microwave the grape leaves after steam treatment for 3 times, the temperature of each microwave finishing is 65°C, and the time is 4 minutes.

[0034] 6. Stir-frying and kneading: After heating the frying equipment to 120°C, put in the grape leaves after greening treatment, and stir for 10 minutes; then control the temperature of the frying equipment at 50°C, stir-fry and rub the grape leaves...

Embodiment 2

[0037] Embodiment 2: the preparation of grape leaf black tea

[0038] 1. Harvesting: select the leaves of the color grape variety (Yan 73) and harvest them on the 5th day after the frost.

[0039] 2. Cleaning: Clean the harvested grape leaves to remove the dust on the leaves.

[0040] 3. Cutting: Cut the cleaned grape leaves into about 3cm wide.

[0041] 4. Steam treatment: Treat the cut grape leaves with steam at 110°C for 6 minutes until the leaves are slightly soft, which is convenient for the stability of the leaf pigment and the protection of the soup color.

[0042] 5. Fixing: microwave the grape leaves after steam treatment for 2 times, the temperature of each microwave finishing is 70°C, and the time is 3 minutes.

[0043] 6. Stir-frying and kneading: After heating the frying equipment to 140°C, put in the grape leaves after greening treatment, and stir for 5 minutes; then control the temperature of the frying equipment at 40°C, stir-fry and rub the grape leaves for ...

Embodiment 3

[0046] Embodiment 3: the preparation of grape leaf black tea

[0047] 1. Harvesting: select the leaves of the color grape variety (Yan 74) and harvest them on the 5th day after the frost.

[0048] 2. Cleaning: Clean the harvested grape leaves to remove the dust on the leaves.

[0049] 3. Cutting: Cut the cleaned grape leaves into about 2cm wide.

[0050] 4. Steam treatment: Treat the cut grape leaves with steam at 130°C for 4 minutes until the leaves are slightly soft, which is convenient for the stability of the leaf pigment and the protection of the soup color.

[0051]5. Fixing: microwave the grape leaves after steam treatment 3 times, the temperature of each microwave finishing is 60°C, and the time is 5 minutes.

[0052] 6. Stir-frying and kneading: After heating the frying equipment to 130°C, put in the grape leaves after greening treatment, and stir for 8 minutes; then control the temperature of the frying equipment at 60°C, stir-fry and rub the grape leaves for 20 mi...

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Abstract

The invention discloses grape leaf black tea and a preparation method thereof. The method comprises the following steps: picking, cleaning, cutting, steam treatment, enzyme deactivation, stir-frying rolling, and aroma strengthening. The temperature of the steam treatment is 110-130 DEG C, and the time is 4-6min. The invention prepares a new grape leaf black tea with tea fragrance, fresh mouth feel, lasting soup color and high nutritional value by adopting an optimized process flow, realizes the comprehensive utilization of grape leaves, provides a new product for the tea product market, and provides a new choice for consumers.

Description

technical field [0001] The invention relates to the technical field of tea processing and preparation, in particular to grape leaf black tea and a preparation method thereof. Background technique [0002] Grapes have high nutritional value, large grains, thick skin, juicy, easy to separate skin and flesh, sweet and sour taste, generally grow in clusters, and are yellow-green, red, black-blue or purple. There is a thin skin on the outside of the pulp, and a thin frost on the outside of the skin. Some varieties are seedless. Grapes can be used as raw fruit, wine or raisins. In addition, it can also be used as decoration. Grapes are called "crystal pearls" because of their bright colors, delicious taste and high nutritional value. Grapes are rich in magnesium, vitamin C and iron, have certain medicinal value, and are important energy-supplying foods and tonics. [0003] All kinds of tea raw materials that appear on the market are mainly plants of the Theaceae Theaceae, such...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23F3/34
CPCA23F3/34
Inventor 朱华陈书来刘锋宋伟齐广庆楚娇娇
Owner 泰安中青松石农业科技有限公司
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