A kind of preparation method of fast soaking dried white fungus

A technique for drying and rapid foaming of white fungus, applied in the field of food processing, can solve the problems of hindering the development of white fungus industry, destroying nutrients of white fungus and high equipment requirements, and achieves the effects of avoiding long drying time, shortening drying time and low operating cost.

Active Publication Date: 2011-12-07
SICHUAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the addition of edible alkali in the processing process of these technologies, the nutritional content of white fungus is damaged; or a large amount of edible alcohol is used to increase the cost; or high-temperature (200-400 ° C) treatment and vacuum drying are used, which requires high equipment requirements. , equipment investment is large, these deficiencies or defects hinder the development of tremella industry

Method used

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  • A kind of preparation method of fast soaking dried white fungus

Examples

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Comparison scheme
Effect test

experiment example 1

[0030] The preparation method of quick-foaming dried tremella comprises the following steps:

[0031] (1) Impurity removal: select dried white fungus raw materials that meet national health standards, remove stalks, remove impurities and foreign matter;

[0032] (2) Soaking: adding the above-mentioned white fungus raw material after removing impurities into a 30% ethanol solution and soaking for 30 minutes;

[0033] (3) Balance: pull out the white fungus soaked above, filter out the water, and place it at room temperature for 2 hours to balance the water inside the white fungus raw material and achieve the purpose of uniform distribution;

[0034] (4) Softening: the white fungus after the above-mentioned moisture reaches a balance is softened using a high-pressure steam retort. The softening temperature is 115° C., the softening heating time is 15 minutes, the constant temperature time is 60 minutes, and the cooling time is 15 minutes;

[0035] (5) drying: sieve the above-men...

experiment example 2

[0038] The preparation method of quick-foaming dried tremella comprises the following steps:

[0039] (1) Impurity removal: select dried white fungus raw materials that meet national health standards, remove stalks, remove impurities and foreign matter;

[0040] (2) Soaking: adding the above-mentioned white fungus raw material after removing impurities into a 35% ethanol solution and soaking for 35 minutes;

[0041] (3) Balance: pull out the white fungus soaked above, filter out the water, and place it at room temperature for 3 hours to balance the water inside the white fungus raw material and achieve the purpose of uniform distribution;

[0042] (4) Softening: the white fungus after the above-mentioned moisture reaches a balance is softened by using a high-pressure steam retort. The softening temperature is 121° C., the softening heating time is 18 minutes, the constant temperature time is 45 minutes, and the cooling time is 20 minutes;

[0043] (5) drying: sieve the white ...

experiment example 3

[0046] The preparation method of quick-foaming dried tremella comprises the following steps:

[0047] (1) Impurity removal: select dried white fungus raw materials that meet national health standards, remove stalks, remove impurities and foreign matter;

[0048] (2) Soaking: adding the above-mentioned white fungus raw material after removing impurities into a 40% ethanol solution and soaking for 40 minutes;

[0049] (3) Balance: pull out the white fungus soaked above, filter out the water, and place it at room temperature for 4 hours to balance the water inside the white fungus raw material and achieve the purpose of uniform distribution;

[0050] (4) Softening: the white fungus after the above-mentioned moisture reaches equilibrium is softened by using a high-pressure steam retort. The softening temperature is 126° C., the softening heating time is 20 minutes, the constant temperature time is 30 minutes, and the cooling time is 25 minutes;

[0051] (5) drying: sieve the abov...

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Abstract

The invention discloses a preparation method of instant dried white fungus. The preparation method is characterized in that: dry white fungus is used as a raw material; and the preparation method comprises the production process flows of impurity removal, soaking, balancing, softening, drying and cooling. By adopting the process of soaking in low-concentration ethanol solution for short time and balancing, the white fungus properly absorbs water; by adopting the high-temperature steam softening process, the tough cell membrane structure of the white fungus is effectively destroyed; and by adopting the normal-pressure and low-temperature drying process, the operation is simple. The dried white fungus produced by the method has the characteristics of convenience for carrying and capability of being quickly rehydrated and dispersed after brewing; the obtained white fungus porridge has the same exquisite and smooth mouthfeel as the boiled white fungus porridge; naturally pure form, flavorand color of the white fungus are kept; and the dried white fungus is easily digested and absorbed, and can be transported, stored and sold at normal temperature.

Description

technical field [0001] The invention relates to a preparation method of quick-soaked dried white fungus, which belongs to the technical field of food processing. Background technique [0002] Tremella contains protein, fat, carbohydrates, crude fiber, calcium, phosphorus, iron, potassium, vitamin B complex, vitamin D, tremella polysaccharide, etc. It has high nutritional value and is known as the queen of traditional tonics in my country. A good tonic for the weak. Studies have shown that: the crude fiber in white fungus can enhance gastrointestinal motility, effectively control weight, and lower blood sugar; the active ingredient acidic polysaccharides in white fungus can enhance the body's immunity, mobilize lymphocytes, and strengthen the phagocytosis of white blood cells Ability to excite the hematopoietic function of bone marrow, and also have obvious inhibitory effect on malignant tumors; at the same time, white fungus can improve the detoxification ability of the live...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23L1/28
Inventor 吕远平李燕张佳琪李美凤谭敏张磊
Owner SICHUAN UNIV
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