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 waste resources and environmental pollution, and achieve the effects of convenient brewing, low cost, and rich sources of raw materials

Inactive Publication Date: 2012-07-11
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 ul

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0027] Example 1

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

[0029] 1. Raw material pretreatment: Select asparagus processing scraps, rinse with clean water, and then soak for 5 minutes. The raw materials are immersed in water. Place the cleaned materials in a leaking basket, shake and drain until there are no water droplets on the surface of the material to obtain processed asparagus. raw material.

[0030] 2. Vacuum freeze-drying: vacuum freeze-drying the obtained asparagus raw materials for 18-21 hours. The process parameters are pre-freezing temperature -21~-22℃, pre-freezing time 4~5.5h; working pressure 50~60Pa; sublimation temperature 50~55℃, time about 11~12h; desorption 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, and -30°C, and the pre-freezing time is 4,...

Example Embodiment

[0041] Example 2

Example

[0042] The preparation method of the high-fiber instant asparagus superfine whole powder beverage according to the present invention includes the following steps (see Example 1 for the specific test process of steps 2 and 3):

[0043] 1. Raw material pretreatment: Select asparagus processing scraps, rinse with clean water, and then soak for 5 minutes. The raw materials are immersed in water. Place the cleaned materials in a leaking basket, shake and drain until there are no water droplets on the surface of the material to obtain processed asparagus. raw material.

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

[0045] 3. Air-flow ultra-fine pulverization: take dry asparagus for air-flow ultra-fine pulverization, and pass through a 200-240 mesh sieve to obtain asparagus ultra-fine powder.

[0046] 4. Preparation of stabilizer and flavoring agent: according to the mass percentage, t...

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PUM

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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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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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