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High-fiber instant asparagus ultramicro-powder beverage and preparation method thereof

An asparagus ultra-fine powder and high-fiber technology, which is applied in the field of solid beverage processing, can solve the problems of waste of leftover resources, pollution of the environment, etc., and achieve the effect of convenient brewing, low cost, and stability

Inactive Publication Date: 2013-07-17
QINGDAO AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In view of the waste of leftover resources and environmental pollution in asparagus processing in the prior art, the purpose of the present invention is to provide a high-fiber instant asparagus ultrafine powder drink and a preparation method thereof. As a raw material, vacuum freeze-drying technology and airflow ultrafine grinding technology are adopted, combined with stabilizer compounding and flavoring agent deployment, to produce food with high dietary fiber content, good solubility and water-soluble stability, with asparagus flavor and nutritional and health care effects. High fiber instant asparagus superfine whole powder drink

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] The preparation method of the high-fiber instant asparagus ultrafine whole powder drink of the present invention comprises the following steps:

[0029] 1. Raw material pretreatment: select asparagus processing leftovers, wash them with clean water, and then soak them for 5 minutes. The raw materials should be submerged in water. Put the cleaned materials in a drain basket, shake them lightly and drain them until there is no water drop on the surface of the materials, and then get processed asparagus. raw material.

[0030] 2. Vacuum freeze-drying: vacuum freeze-dry the obtained asparagus raw materials for 18-21 hours. Process parameters are prefreezing temperature -21~-22℃, prefreezing time 4~5.5h; working pressure 50~60Pa; sublimation temperature 50~55℃, time about 11~12h; analysis temperature 60~65℃, time 7- 9h.

[0031] The pre-freezing process adopts a two-factor cross test, the pre-freezing temperature is -22°C, -26°C, -30°C, and the pre-freezing time is 4, 5.5,...

Embodiment 1）

[0043] 1. Raw material pretreatment: select asparagus processing leftovers, wash them with clean water, and then soak them for 5 minutes. The raw materials should be submerged in water. Put the cleaned materials in a drain basket, shake them lightly and drain them until there is no water drop on the surface of the materials, and then get processed asparagus. raw material.

[0044] 2. Vacuum freeze-drying: vacuum freeze-dry the obtained asparagus raw materials for 18-21 hours to obtain dried asparagus.

[0045] 3. Airflow ultrafine grinding: take the dried asparagus for airflow ultrafine grinding, and pass through a 200-240 mesh sieve to obtain asparagus ultrafine powder.

[0046] 4. Blending of stabilizers and flavoring agents: 60% asparagus superfine powder, 6% xanthan gum, 6% pectin, 3% sodium hydroxymethyl cellulose, 5% β-cyclodextrin, coffee Mate 20%, fully mixed evenly, the raw material of the finished high-fiber instant asparagus superfine whole powder drink is obtained...

Embodiment 3

[0049] The preparation method of the high-fiber instant asparagus superfine whole powder drink of the present invention comprises the following steps (see Example 1 for the specific test process of steps 2 and 3):

[0050] 1. Raw material pretreatment: select asparagus processing leftovers, wash them with clean water, and then soak them for 5 minutes. The raw materials should be submerged in water. Put the cleaned materials in a drain basket, shake them lightly and drain them until there is no water drop on the surface of the materials, and then get processed asparagus. raw material.

[0051] 2. Vacuum freeze-drying: vacuum freeze-dry the obtained asparagus raw materials for 18-21 hours to obtain dried asparagus.

[0052] 3. Airflow ultrafine grinding: take the dried asparagus for airflow ultrafine grinding, and pass through a 200-240 mesh sieve to obtain asparagus ultrafine powder.

[0053] 4. Blending of stabilizers and flavoring agents: 60% asparagus superfine powder, ...

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Abstract

The invention provides a high-fiber instant asparagus ultramicro-powder beverage and a preparation method thereof. The asparagus ultramicro-powder beverage contains 60% to 75% of asparagus ultramicro-powders, 15% to 20% of stabilizers and 5% to 25% of flavorings. The product is prepared by the following steps: subjecting asparagus processing leftovers to vacuum freeze-drying treatment and micronization, adding stabilizers and flavorings, and mixing thoroughly; and the product is soluble in both cold and hot water. The high-fiber instant asparagus ultramicro-powder beverage is rich in dietary fiber, saponins and flavonoids and has hypolipidemic and anti-tumor functions. The method adopts the vacuum freeze-drying treatment and micronization techniques to retain the effective components of asparagus to the greatest extent and improves dissolution and digestion / absorption of nutrients of the product. The beverage and the preparation method have reasonable designs and abundant raw materials, are favorable to asparagus waste utilization, and increase the economic benefits of asparagus industry.

Description

technical field [0001] The invention belongs to the field of solid beverage processing, and in particular relates to a high-fiber instant asparagus superfine whole powder drink and a preparation method thereof. Background technique [0002] The scientific name of asparagus is Diaobo, which is a perennial herbaceous plant of the genus Asparagus in the family Liliaceae. Asparagus tender stems are a kind of nutritious and healthy vegetables with high medicinal value. They are rich in dietary fiber, contain indispensable amino acids, minerals and other nutrients, and contain saponins, flavonoids, etc. It is a biologically active ingredient with various biological functions such as anti-tumor and anti-aging. Dietary fiber is known as the "seventh nutrient" after water, protein, fat, carbohydrates, minerals, and vitamins, including insoluble dietary fiber and water-soluble dietary fiber, and insoluble dietary fiber plays a role in food. Filling effect, moderate consumption can s...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A23L2/39A23L1/29A23L33/00
Inventor 李文香王士奎刘锦涛董景方磊张晶
Owner QINGDAO AGRI UNIV
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