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The preparation method of dried bergamot

A technology of dried bergamot and bergamot, applied in the directions of tea substitutes, food science, etc., can solve the problems of dried bergamot browning, loss of active ingredients, and low sales volume, etc., to improve economic benefits, increase added value, and avoid damage. Effect

Inactive Publication Date: 2017-07-18
ZHEJIANG NORMAL UNIVERSITY +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the product of bergamot is very single, and the dried bergamot is mainly made by simply drying or drying in the sun. The dried bergamot produced in this way has serious browning and poor appearance. It is only used as medicine, and the sales volume is not high. Dry method, easy to cause loss of active ingredients

Method used

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  • The preparation method of dried bergamot
  • The preparation method of dried bergamot
  • The preparation method of dried bergamot

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] Embodiment 1, a kind of preparation method of bergamot dried, carries out following steps successively:

[0038] 1) Collection: Collect bergamot flower buds (bergamot flowers that are about to bloom) in the morning on a sunny day in summer, and store them in a low-temperature incubator at 0-4°C for 3 hours;

[0039] 2), soaking treatment: put 150g of bergamot buds into 1000mL of citric acid solution with a mass concentration of 0.6% and soak for 1min, remove and drain;

[0040] 3), freeze-drying:

[0041] Pre-freezing the bergamot buds obtained in step 2) at -40°C for 10 hours;

[0042] Put the pre-frozen bergamot flower buds in a drying room with a vacuum degree of 0-10Pa and a temperature of -15-0°C for 12 hours to obtain dried bergamot flowers (moisture content ≤ 4.0%);

[0043] 4), vacuum-pack the dried bergamot of step 3) gained, get finished product.

Embodiment 2

[0044] Embodiment 2, a kind of preparation method of bergamot dried, carry out following steps successively:

[0045] 1) Collection: collect bergamot flower buds (bergamot flowers that are about to bloom) in the morning on a sunny day in summer, and store them in a low-temperature incubator at 0-4°C for 4 hours;

[0046] 2), soaking treatment: put 150g of bergamot buds into 1000mL of citric acid solution with a mass concentration of 0.05% and soak for 3min, remove and drain;

[0047] 3), freeze-drying:

[0048] The bergamot buds obtained in step 2) were pre-frozen at -50°C for 8 hours;

[0049] Put the pre-frozen bergamot flower buds in a drying room with a vacuum degree of 0-10Pa and a temperature of -15-0°C for 12 hours to obtain dried bergamot flowers (moisture content ≤ 4.0%);

[0050] 4), vacuum-pack the dried bergamot of step 3) gained, get finished product.

Embodiment 3

[0051] Embodiment 3, a kind of preparation method of bergamot dried, carries out following steps successively:

[0052] 1) Collection: Collect bergamot flower buds (bergamot flowers that are about to bloom) in the morning on a sunny day in summer, and store them in a low-temperature incubator at 0-4°C for 6 hours;

[0053] 2), soaking treatment: put 150g of bergamot flower buds into 1000mL of citric acid solution with a mass concentration of 0.01%, soak it for 5min, remove and drain;

[0054] 3), freeze-drying:

[0055] The bergamot buds obtained in step 2) were pre-frozen at -70°C for 6 hours;

[0056] Put the pre-frozen bergamot flower buds in a drying room with a vacuum degree of 0-10Pa and a temperature of -15-0°C for 12 hours to obtain dried bergamot flowers (moisture content ≤ 4.0%);

[0057] 4), vacuum-pack the dried bergamot of step 3) gained, get finished product.

[0058] result:

[0059] The dried bergamot flowers obtained in the above-mentioned Examples 1 to 3 ...

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Abstract

The invention discloses a preparation method of dried finger citron flowers. The preparation method comprises the following steps in sequence: (1) gathering finger citron flower buds on a sunny morning in summer, and preserving the finger citron flower buds in a low-temperature heat preservation box for less than or equal to 6 hours at 0-4 DEG C; (2) performing soaking treatment, to be specific, preparing a citric acid solution with the mass concentration of 0.01-1.0%, soaking the finger citron flower buds in the citric acid solution, and fishing out and draining the finger citron flower buds; (3)pre-freezing and then drying the finger citron flower buds obtained in the step (2); (4) performing vacuum packaging on the dried finger citron flowers obtained in the step (3)to obtain the finished product. The dried finger citron flowers prepared by adopting the preparation method can basically keep the original color and luster, shape and fragrance of finger citron flowers and also have higher antioxidant activity, so that the dried finger citron flowers are favored by consumers.

Description

technical field [0001] The invention belongs to the technical field of deep processing of scented tea, in particular to a method for preparing dried bergamot. Background technique [0002] Bergamot is the flowers and buds of Rutaceae Bergamot (Citrus medica L.var.sarcodactylis), in panicles or axillary bouquets, and there are many male flowers. The bergamot flower has a strong aroma and is very pleasant. The ancients used it as a birthday gift and tribute. The flowering period is in summer, picked when the flowers are thinned before sunrise in the morning, and fallen flowers can also be picked up, dried in the sun or kang-dried. Traditional Chinese medicine believes that the bergamot flower is flat in nature and belongs to the liver meridian. It is used for liver and stomach pain and loss of appetite. At present, the product of bergamot is very single, and the dried bergamot is mainly made by simply drying or drying in the sun. The dried bergamot produced in this way has s...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A23L5/30
CPCA23F3/34
Inventor 徐丽珊梁丽昕朱宝军曹晶晶
Owner ZHEJIANG NORMAL UNIVERSITY
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