CN105166876A - Black fungus modifying method and application - Google Patents
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Abstract
The invention discloses a black fungus modifying method and application, belonging to the technical field of food processing. The method comprises the steps of removing impurities in black fungus; carrying out primary cleaning, then soaking the black fungus subjected to primary cleaning by a soluble starch water solution; drying after spin drying, and taking out the dried black fungus and putting the black fungus into a pressure container; sealing the container, heating, pressurizing, and rapidly releasing the pressure to achieve the normal pressure, thus obtaining the modified black fungus. The black fungus processed by the modifying technology has relatively small and uniform pulverization fineness, the brittleness of the fibers of the modified black fungus is increased, so that the black fungus is easily broken to be easily pulverized. The nutrients are easily digested to be absorbed, the nutrients of the modified black fungus are retained, and the dissolution rate is relatively high. The crude fat of the modified black fungus is increased by 0.4%; and the crude fibers of the modified black fungus are reduced by 2.15%.
Description
Technical field
The present invention relates to a kind of black fungus method of modifying and application, belong to food processing technology field.
Background technology
Black fungus is the dietotherapeutic bacterium with unique nutritive value and health care, and the polysaccharide contained, adenosine, melanin and dietary fiber isoreactivity material impart black fungus reducing blood lipid, antithrombotic, invigorate blood circulation, reduce blood clotting, radioresistance, the different physiological roles such as anti-oxidant, hypoglycemic and antitumor.
Ultramicro-powder has the high advantage of nutritional labeling bioavailability, becomes one of universal way of health-oriented products exploitation gradually.Black fungus Ultramicro-powder has that the disagreeable taste of black fungus, viscosity are large, hygroscopicity is strong and the defect such as poor stability, and often poor fluidity after mixing with water or the liquid such as milk, soya-bean milk, content content is low, caking, mouthfeel are not good.The application of black fungus powder is subject to the restriction of the factor such as taste, performance and makes the product of exploitation few.By changing, controlling the bioavilability that physical characteristic improves black fungus Ultramicro-powder, raising edible quality and characteristic are of great significance to reach desirable health-care effect tool.At present, system is had no for aspects such as the characteristic shown after the direct ultramicro grinding of dry product black fungus and modification technologies and go deep into appraisal and study.The application study carrying out black fungus Ultramicro-powder modification technology can solve the problems that the research and development of products of black fungus Ultramicro-powder faces, for Related product industrialization and move towards market and establish solid foundation.
Existing drying black fungus water content is low, and volume is little and regular, and quality is hard, can effectively moistureproof, anti-mildew, prevent miscellaneous bacteria from attacking, keep the original nutritional labeling of fresh black fungus simultaneously.But drying black fungus also has its weak point, as the key component beta glucan of drying black fungus cell membrane and chitin structure tough and tensile, in born of the same parents, functional mass is difficult to through cell membrane by human body is digested, and greatly reduces the absorptivity of black fungus nutritional labeling.There are some researches show, black fungus pulverizes rear absorptivity than not pulverizing directly edible raising more than 2 times.At present, the domestic research about black fungus powder mainly concentrates on the aspects such as drying, pulverizing and allotment.
Along with improving constantly of living standard, the degree of concern of people to health is strengthened day by day, and prevention of disease is more and more paid attention to, and the development for health industry provides good opportunity.Black fungus has good pharmacologically active and without any side effects, and therefore developing black fungus Related product will have very wide application prospect.The part nutriment molecular scission of modification black fungus, fragility increases, and the cohesive force between ultimate fibre reduces, and the inhomogeneity of fibre structure increases, and causes its mechanicalness mechanical properties decrease, is conducive to the making of later stage ultra-micro powder or nanometer powder.
Powder material all can present certain physical property, as: crystal formation, elasticity, plasticity, fragility, cohesive etc.To produce and in application at food research, the physical characteristic of superfine powder not only directly and product forming technique have close relationship, and directly affect the biological effects such as the solubility of product, rate of dissolution, absorption and bioavilability.Therefore the exploitation of powder product will towards high-selenium corn speed, high stability and high concentration trend development.Black fungus Ultramicro-powder viscosity is large, grinding particle size is uneven, has bad smell and taste, easily moisture absorption, poor stability, is not easy to deposit.And how to prepare modification black fungus Ultramicro-powder, make its be more easily ground into uniform molecule, pulvis good dispersion, there is cereal fragrance, the not easily moisture absorption, there is high stability, retentive activity composition simultaneously, make particle thinner, nutritional labeling is fully absorbed utilization, and edible medicinal is worth and greatly improves, and becomes a technical barrier in this area.There is not the research in black fungus modification at present.
Summary of the invention
For solving the deficiencies in the prior art, the invention provides a kind of black fungus method of modifying, the technical scheme of employing is as follows:
The object of the present invention is to provide a kind of black fungus method of modifying, the method is rejected by the impurity in black fungus, soak with the soluble starch aqueous solution after previous cleaning, dry post-drying, pressure vessel is put into after taking-up, to heat after container closure, pressurize, after rapid release of pressure to normal pressure, obtain modification black fungus.
Preferably, described method, is characterized in that, step is as follows:
1) impurity in black fungus is rejected, after previous cleaning, use soluble starch aqueous solution soaking, obtain bubble blackout auricularia auriculajudae;
2) by step 1) drying of gained bubble blackout auricularia auriculajudae, drying to water content by black fungus is 5%-30%, obtains and dries black fungus;
3) by step 2) gained dries after black fungus takes out and puts into pressure vessel, and will be heated to 110-140 DEG C after container closure, be forced into 0.2MPa-1.0MPa, then rapidly release of pressure, to normal pressure, obtains modification black fungus after drying.
Preferably, step 1) the described soluble starch aqueous solution, mass concentration is 1.0%-10.0%.
Preferably, step 1) described immersion, the time is 1h-8h.
Preferably, step 2) described drying, rotating speed is 500rpm/min-5000rpm/min, and the time is 0.2min-5.0min.
Preferably, step 2) described oven dry, be progressively be warming up to 35 DEG C-65 DEG C, mode is that blowing-type is dry.
Preferably, step 3) described oven dry black fungus, account for the 5%-40% of pressure vessel volume; Step 3) described oven dry, temperature is 60 DEG C-100 DEG C.
More preferably, described method, concrete steps are:
1) impurity in black fungus is rejected, with the aqueous solution soaking 2.0h containing 2.0% soluble starch after previous cleaning, obtain bubble blackout auricularia auriculajudae;
2) by step 1) gained bubble blackout auricularia auriculajudae under 1000rpm/min, dry 1.0min, be progressively warming up to 55 DEG C, by black fungus dry to water content be 15%, obtain dry black fungus;
3) by step 2) gained dry black fungus take out after put into pressure vessel, oven dry black fungus is made to account for 25% of pressure vessel volume, to be heated to 120 DEG C after container closure, be forced into 0.5MPa, then release of pressure, to normal pressure, obtains modification black fungus after drying at 90 DEG C rapidly.
The application of the above either method in preparation modification black fungus product.
Preferably, described application concrete steps are as follows:
1) impurity in black fungus is rejected, with the aqueous solution soaking 1h-8h containing 1.0%-10.0% soluble starch after previous cleaning, obtain bubble blackout auricularia auriculajudae;
2) by step 1) gained bubble blackout auricularia auriculajudae under 500rpm/min-10000rpm/min, dry 0.2min-5.0min, be progressively warming up to 35 DEG C-65 DEG C, by black fungus dry to water content be 5%-30%, obtain dry black fungus;
3) by step 2) gained dry black fungus take out after put into pressure vessel, oven dry black fungus is made to account for the 5%-40% of pressure vessel volume, to 110-140 DEG C be heated to after container closure, be forced into 0.2MPa-1.0MPa, then rapid release pressure, be placed in 60 DEG C-100 DEG C oven dry again, obtain modification black fungus;
4) by step 3) the modification black fungus that obtains carries out primary comminution, and granularity is less than 100 orders, and then utilize the broken equipment of air blast ultramicro powder to be 20-30Hz in screening frequency, power pressure is 75-90kg/cm
2condition under to carry out air blast ultramicro powder broken, obtain modification black fungus Ultramicro-powder.
Beneficial effect of the present invention:
1, it is less and more even that the black fungus advantage after utilizing method of modifying process of the present invention is particle size Lambda characterization to show grinding particle size, and between modification black fungus fiber, fragility increases, and more easily ruptures, is easier to pulverization process.Black fungus grinding particle size is thinner, and the easier digested absorption of nutritional labeling, the nutritional labeling of modification black fungus obtains reservation, and dissolution rate is higher.The crude fat of modification black fungus adds 0.4 percentage point; Crude fibre decreases 2.15 percentage points.
2, method of modifying of the present invention uses HTHP to make the modification black fungus of the expanded rear acquisition of auricularia auriculajudae be more conducive to storage and pulverize processing further or add in other nutrition solvents, more be convenient to develop, use starch process to increase cereal fragrance in addition, improve black fungus disagreeable taste.Can keep, on the basis that active component is constant, being more conducive to black fungus deep processing or product development.
3, the present invention adopts physics mode to carry out modification to black fungus, realize maximum reservation and the efficiency utilization of active component, obtain the black fungus modification Ultramicro-powder product of flavor delicate fragrance, delicate mouthfeel, processing stage high, remove the disagreeable taste of the former powder of black fungus, increase cereal fragrance, improve edible quality, make mouthfeel taste better, meet the demand of people to Novel black auricularia auriculajudae product, for the efficient comprehensive development and utilization of black fungus provides application study basis.
4, the present invention utilizes the black fungus superfine powder of modification to mix with nutrition adsorption solvent (soya-bean milk or milk), not only can improve the black fungus powder content in nutrition adsorption solvent in unit volume, the disagreeable taste that auricularia auriculajudae is brought into can also be improved, make mouthfeel better.
5, the inventive method improves black fungus deep processing research level, effectively extends black fungus industry chain (supply chain), improves black fungus industry comprehensive benefit.
Accompanying drawing explanation
Fig. 1 is microexamination (20 × 10 times) after contrast black fungus ultramicro grinding.
Fig. 2 is microexamination (20 × 10 times) after modification black fungus ultramicro grinding.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention will be further described, but the present invention is not by the restriction of embodiment.
Embodiment 1:
Present embodiments provide a kind of black fungus method of modifying, concrete grammar is rejected by the impurity in black fungus, with the aqueous solution soaking 2.0h containing 2.0% soluble starch after previous cleaning, obtains bubble blackout auricularia auriculajudae; Bubble blackout auricularia auriculajudae is dried 1.0min under 1000rpm/min, is progressively warming up to 55 DEG C, drying to water content by black fungus is 15%, obtains and dries black fungus; Pressure vessel is put into after being taken out by oven dry black fungus, make oven dry black fungus account for 25% of pressure vessel volume, will be heated to 120 DEG C after container closure, be forced into 0.5MPa, then rapid release of pressure be to normal pressure, being placed in 90 DEG C again dries to water content lower than 3%, obtains modification black fungus.
Present embodiments provide a kind of preparation method of modification black fungus superfine powder, concrete grammar is: rejected by the impurity in black fungus, with the aqueous solution soaking 2h containing 2.0% soluble starch after previous cleaning, obtains bubble blackout auricularia auriculajudae; Bubble blackout auricularia auriculajudae is dried 1.0min under 1000rpm/min, is progressively warming up to 55 DEG C, drying to water content by black fungus is 15%, obtains and dries black fungus; Pressure vessel is put into after being taken out by oven dry black fungus, oven dry black fungus is made to account for 25% of pressure vessel volume, to 120 DEG C be heated to after container closure, be forced into 0.5MPa, then rapidly release of pressure to normal pressure (after testing after release of pressure moisture between 8%-25%), being placed in 90 DEG C again dries to water content lower than 3%, obtains modification black fungus; Modification black fungus is carried out primary comminution, and granularity is less than 100 orders, and then utilize the broken equipment of air blast ultramicro powder to be 28Hz in screening frequency, power pressure is 80kg/cm
2air blast ultramicro powder is carried out broken under condition.
Laser diffraction granularity analyzer is adopted to carry out grinding particle size analysis.
Embodiment 2:
Present embodiments provide a kind of black fungus method of modifying, concrete grammar is rejected by the impurity in black fungus, with the aqueous solution soaking 3.0h containing 3.0% soluble starch after previous cleaning, obtains bubble blackout auricularia auriculajudae; Bubble blackout auricularia auriculajudae is dried 1.0min under 2000rpm/min, is progressively warming up to 50 DEG C, drying to water content by black fungus is 15%, obtains and dries black fungus; Pressure vessel is put into after being taken out by oven dry black fungus, make oven dry black fungus account for 35% of pressure vessel volume, will be heated to 140 DEG C after container closure, be forced into 0.7MPa, then rapid release of pressure be to normal pressure, being placed in 80 DEG C again dries to water content lower than 3%, obtains modification black fungus.
Present embodiments provide a kind of preparation method of modification black fungus superfine powder, concrete grammar is: rejected by the impurity in black fungus, with the aqueous solution soaking 3.0h containing 3.0% soluble starch after previous cleaning, obtains bubble blackout auricularia auriculajudae; Bubble blackout auricularia auriculajudae is dried 1.0min under 2000rpm/min, is progressively warming up to 50 DEG C, drying to water content by black fungus is 15%, obtains and dries black fungus; Pressure vessel is put into after being taken out by oven dry black fungus, oven dry black fungus is made to account for 35% of pressure vessel volume, to 140 DEG C be heated to after container closure, be forced into 0.7MPa, then rapidly release of pressure to normal pressure (after testing after release of pressure moisture between 8%-25%), being placed in 80 DEG C again dries to water content lower than 3%, obtains modification black fungus; The modification black fungus of above-mentioned acquisition is carried out primary comminution, and granularity is less than 100 orders, and then utilize the broken equipment of air blast ultramicro powder to be 25Hz in screening frequency, power pressure is 75kg/cm
2air blast ultramicro powder is carried out broken under condition.
Laser diffraction granularity analyzer is adopted to carry out grinding particle size analysis.
Embodiment 3
Present embodiments provide a kind of black fungus method of modifying, concrete grammar is rejected by the impurity in black fungus, with the aqueous solution soaking 6h containing 5.0% soluble starch after previous cleaning, obtains bubble blackout auricularia auriculajudae; Bubble blackout auricularia auriculajudae is dried 0.2min under 5000rpm/min, is progressively warming up to 65 DEG C, drying to water content by black fungus is 20%, obtains and dries black fungus; Pressure vessel is put into after being taken out by oven dry black fungus, make oven dry black fungus account for 20% of pressure vessel volume, will be heated to 130 DEG C after container closure, be forced into 0.6MPa, then rapid release of pressure be to normal pressure, being placed in 90 DEG C again dries to water content lower than 3%, obtains modification black fungus.
Present embodiments provide a kind of preparation method of modification black fungus superfine powder, concrete grammar is: rejected by the impurity in black fungus, with the aqueous solution soaking 6h containing 5.0% soluble starch after previous cleaning, obtains bubble blackout auricularia auriculajudae; Bubble blackout auricularia auriculajudae is dried 0.2min under 5000rpm/min, is progressively warming up to 65 DEG C, drying to water content by black fungus is 20%, obtains and dries black fungus; Pressure vessel is put into after being taken out by oven dry black fungus, oven dry black fungus is made to account for 20% of pressure vessel volume, to 130 DEG C be heated to after container closure, be forced into 0.6MPa, then rapidly release of pressure to normal pressure (after testing after release of pressure moisture between 8%-25%), being placed in 90 DEG C again dries to water content lower than 3%, obtains modification black fungus.The modification black fungus of above-mentioned acquisition is carried out primary comminution, and granularity is less than 100 orders, and then utilize the broken equipment of air blast ultramicro powder to be 30Hz in screening frequency, power pressure is 85kg/cm
2air blast ultramicro powder is carried out broken under condition.
Embodiment 4
Present embodiments provide a kind of black fungus method of modifying, concrete grammar is rejected by the impurity in black fungus, with the aqueous solution soaking 1h containing 10.0% soluble starch after previous cleaning, obtains bubble blackout auricularia auriculajudae; Bubble blackout auricularia auriculajudae is dried 3min under 3000rpm/min, is progressively warming up to 65 DEG C, drying to water content by black fungus is 30%, obtains and dries black fungus; Pressure vessel is put into after being taken out by oven dry black fungus, make oven dry black fungus account for 40% of pressure vessel volume, will be heated to 140 DEG C after container closure, be forced into 1.0MPa, then rapid release of pressure be to normal pressure, being placed in 100 DEG C again dries to water content lower than 3%, obtains modification black fungus.
Present embodiments provide a kind of preparation method of modification black fungus superfine powder, concrete grammar is: rejected by the impurity in black fungus, with the aqueous solution soaking 8h containing 10.0% soluble starch after previous cleaning, obtains bubble blackout auricularia auriculajudae; Bubble blackout auricularia auriculajudae is dried 0.2min under 10000rpm/min, is progressively warming up to 65 DEG C, drying to water content by black fungus is 30%, obtains and dries black fungus; Pressure vessel is put into after being taken out by oven dry black fungus, oven dry black fungus is made to account for 40% of pressure vessel volume, to 140 DEG C be heated to after container closure, be forced into 1.0MPa, then rapidly release of pressure to normal pressure (after testing after release of pressure moisture between 8%-25%), being placed in 100 DEG C again dries to water content lower than 3%, obtains modification black fungus.The modification black fungus of above-mentioned acquisition is carried out primary comminution, and granularity is less than 100 orders, and then utilize the broken equipment of air blast ultramicro powder to be 23Hz in screening frequency, power pressure is 80kg/cm
2air blast ultramicro powder is carried out broken under condition.
Embodiment 5
Present embodiments provide a kind of black fungus method of modifying, concrete grammar is rejected by the impurity in black fungus, with the aqueous solution soaking 8h containing 1% soluble starch after previous cleaning, obtains bubble blackout auricularia auriculajudae; Bubble blackout auricularia auriculajudae is dried 5.0min under 500rpm/min, is progressively warming up to 35 DEG C, drying to water content by black fungus is 5%, obtains and dries black fungus; Pressure vessel is put into after being taken out by oven dry black fungus, make oven dry black fungus account for 5% of pressure vessel volume, will be heated to 110 DEG C after container closure, be forced into 0.2MPa, then rapid release of pressure be to normal pressure, being placed in 100 DEG C again dries to water content lower than 3%, obtains modification black fungus.
Present embodiments provide a kind of preparation method of modification black fungus superfine powder, concrete grammar is: rejected by the impurity in black fungus, with the aqueous solution soaking 8h containing 1% soluble starch after previous cleaning, obtains bubble blackout auricularia auriculajudae; Bubble blackout auricularia auriculajudae is dried 5.0min under 500rpm/min, is progressively warming up to 35 DEG C, drying to water content by black fungus is 5%, obtains and dries black fungus; Pressure vessel is put into after being taken out by oven dry black fungus, oven dry black fungus is made to account for 5% of pressure vessel volume, to 110 DEG C be heated to after container closure, be forced into 0.2MPa, then rapidly release of pressure to normal pressure (after testing after release of pressure moisture between 8%-25%), being placed in 100 DEG C again dries to water content lower than 3%, obtains modification black fungus.The modification black fungus of above-mentioned acquisition is carried out primary comminution, and granularity is less than 100 orders, and then utilize the broken equipment of air blast ultramicro powder to be 20Hz in screening frequency, power pressure is 90kg/cm
2air blast ultramicro powder is carried out broken under condition.
Embodiment 6: effect example
Utilize the preparation method inventing black fungus method of modifying and the modification black fungus Ultramicro-powder provided, then compare the black fungus pulvis structural behaviour before and after high temperature puffing modification, comparative result is as follows:
1, granularity
Relatively black fungus powder granularity before and after modification, result is as shown in table 1:
Table 1 results of grain size analysis
Find by carrying out analysis to granularity, utilize the black fungus advantage after modification technology process of the present invention to be particle size Lambda characterization to show grinding particle size less and more even.BT-9300HT type laser particle size analyzer is adopted to analyze, found that the particle diameter of modification black fungus ultrafine powder particle mainly concentrates on 1.0-10.0 μm, account for 79.1%, and the granularity contrasting black fungus Ultramicro-powder is comparatively disperseed, 10.3% is accounted at the particle of 2.0-5.0 μm of granularity, the particle of 5-20 μm of granularity accounts for 16.87%, and the particle of 20 μm of-45 μm of granularities accounts for 31.2%, and the particle of more than 45 μm granularities accounts for 30.5%.Grain diameter mainly concentrates on 20-75 μm.
2, mode of appearance:
Compare the mode of appearance of black fungus pulvis before and after modification, Fig. 1 is microexamination (20 × 10 times) after contrast black fungus ultramicro grinding, and Fig. 2 is microexamination (20 × 10 times) after modification black fungus ultramicro grinding.
Find that between modification black fungus fiber, fragility increases, and more easily ruptures, is easier to pulverization process by comparing.Then viscosity is large to contrast black fungus powder, pulverizes not thorough.
3, nutritional labeling (protein, polysaccharide, soluble dietary fiber etc.) dissolution rate
Relatively black fungus nutritional labeling (protein, polysaccharide, soluble dietary fiber etc.) dissolution rate before and after modification, result is as shown in table 2.
Table 2 adopts BT-9300HT type laser particle size analyzer analysis result
| Nutritional labeling (%) | Contrast black fungus | Modification black fungus |
| Total protein | 12.6 | 12.5 |
| Total reducing sugar | 61.8 | 60.4 |
| Polysaccharide | 4.75 | 4.66 |
| Melanin | 2.56 | 2.69 |
| Crude fibre | 6.89 | 4.74 |
| Crude fat | 1.4 | 1.8 |
| Ash content | 3.52 | 3.47 |
As shown in Table 2 modification black fungus group nutrient component determining compared with contrast black fungus group at total protein, total reducing sugar, polysaccharide, melanin ash basic indifference in grading.And the crude fat of modification black fungus adds 0.4 percentage point; Crude fibre decreases 2.15 percentage points.
Black fungus grinding particle size is thinner, then the easier digested absorption of its nutritional labeling.Found by Comparative nutrition composition (protein, polysaccharide, crude fibre etc.) dissolution rate: the nutritional labeling of modification black fungus obtains reservation, and dissolution rate is higher.
4, reconstitution rate and moisture pick-up properties change
One group of contrast black fungus is set in experiment, two groups of modification black fungus.Compare the reconstitution rate of black fungus pulvis before and after modification, result is as shown in table 3.Relatively moisture pick-up properties change before and after modification, is placed in room temperature uncovered placement 72h, measures water content.Result is as shown in table 4.
Table 3 reconstitution rate compares
| Group | Average reconstitution rate (doubly) |
| Contrast black fungus | 12.17 |
| Modification black fungus 1 | 7.39 |
| Modification black fungus 2 | 5.55 |
Table 4 moisture absorption ratio compares
| Group | Moisture absorption ratio (water content %) |
| Contrast black fungus | 13.32 |
| Modification black fungus 1 | 6.25 |
| Modification black fungus 2 | 5.17 |
By comparing discovery, modified black fungus moisture absorption ratio reduces, and reduce 7.07-8.15 percentage point, reconstitution rate reduces 4.78-6.62 percentage point.In the black fungus storage process utilizing the inventive method modified as can be seen here, the not easily moisture absorption and water suction, has better storage effect.
Although the present invention with preferred embodiment openly as above; but it is also not used to limit the present invention, any person skilled in the art, without departing from the spirit and scope of the present invention; can do various change and modification, what therefore protection scope of the present invention should define with claims is as the criterion.
Claims (10)
1. a black fungus method of modifying, is characterized in that, is rejected by the impurity in black fungus, soak with the soluble starch aqueous solution after previous cleaning, dry post-drying, after taking-up, put into pressure vessel, to heat after container closure, pressurize, after rapid release of pressure to normal pressure, obtain modification black fungus.
2. method according to claim 1, it is characterized in that, step is as follows:
1) impurity in black fungus is rejected, after previous cleaning, use soluble starch aqueous solution soaking, obtain bubble blackout auricularia auriculajudae;
2) by step 1) drying of gained bubble blackout auricularia auriculajudae, drying to water content by black fungus is 5%-30%, obtains and dries black fungus;
3) by step 2) gained dries after black fungus takes out and puts into pressure vessel, and will be heated to 110-140 DEG C after container closure, be forced into 0.2MPa-1.0MPa, then rapidly release of pressure, to normal pressure, obtains modification black fungus after drying.
3. method according to claim 2, is characterized in that, step 1) the described soluble starch aqueous solution, mass concentration is 1.0%-10.0%.
4. method according to claim 2, is characterized in that, step 1) described immersion, the time is 1h-8h.
5. method according to claim 2, is characterized in that, step 2) described drying, rotating speed is 500rpm/min-5000rpm/min, and the time is 0.2min-5.0min.
6. method according to claim 2, is characterized in that, step 2) described oven dry, be progressively be warming up to 35 DEG C-65 DEG C, mode is that blowing-type is dry.
7. method according to claim 2, is characterized in that, step 3) described oven dry black fungus, account for the 5%-40% of pressure vessel volume; Step 3) described oven dry, temperature is 60 DEG C-100 DEG C.
8. method according to claim 2, it is characterized in that, concrete steps are:
1) impurity in black fungus is rejected, with the aqueous solution soaking 2.0h containing 2.0% soluble starch after previous cleaning, obtain bubble blackout auricularia auriculajudae;
2) by step 1) gained bubble blackout auricularia auriculajudae under 1000rpm/min, dry 1.0min, be progressively warming up to 55 DEG C, by black fungus dry to water content be 15%, obtain dry black fungus;
3) by step 2) gained dry black fungus take out after put into pressure vessel, oven dry black fungus is made to account for 25% of pressure vessel volume, to be heated to 120 DEG C after container closure, be forced into 0.5MPa, then release of pressure, to normal pressure, obtains modification black fungus after drying at 90 DEG C rapidly.
9. the application of either method in preparation modification black fungus product according to claim 1-8.
10. apply according to claim 9, it is characterized in that, concrete steps are as follows:
1) impurity in black fungus is rejected, with the aqueous solution soaking 1h-8h containing 1.0%-10.0% soluble starch after previous cleaning, obtain bubble blackout auricularia auriculajudae;
2) by step 1) gained bubble blackout auricularia auriculajudae under 500rpm/min-10000rpm/min, dry 0.2min-5.0min, be progressively warming up to 35 DEG C-65 DEG C, by black fungus dry to water content be 5%-30%, obtain dry black fungus;
3) by step 2) gained dry black fungus take out after put into pressure vessel, oven dry black fungus is made to account for the 5%-40% of pressure vessel volume, to 110-140 DEG C be heated to after container closure, be forced into 0.2MPa-1.0MPa, then rapid release pressure, be placed in 60 DEG C-100 DEG C oven dry again, obtain modification black fungus;
4) by step 3) the modification black fungus that obtains carries out primary comminution, and granularity is less than 100 orders, and then utilize the broken equipment of air blast ultramicro powder to be 20-30Hz in screening frequency, power pressure is 75-90kg/cm
2condition under to carry out air blast ultramicro powder broken, obtain modification black fungus Ultramicro-powder.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106616931A (en) * | 2016-09-21 | 2017-05-10 | 黑龙江省科学院微生物研究所 | Edible fungus composition and application thereof |
| CN106616943A (en) * | 2016-12-19 | 2017-05-10 | 黑龙江省科学院微生物研究所 | Instant black fungus nutrition paste and preparation method thereof |
| CN114128877A (en) * | 2021-12-13 | 2022-03-04 | 湖北省农业科学院农产品加工与核农技术研究所 | Crispness keeping method for black fungus by physical treatment and black fungus sauce processing technology |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106616931A (en) * | 2016-09-21 | 2017-05-10 | 黑龙江省科学院微生物研究所 | Edible fungus composition and application thereof |
| CN106616943A (en) * | 2016-12-19 | 2017-05-10 | 黑龙江省科学院微生物研究所 | Instant black fungus nutrition paste and preparation method thereof |
| CN106616943B (en) * | 2016-12-19 | 2020-07-21 | 黑龙江省科学院微生物研究所 | Instant black fungus nutritional paste and preparation method thereof |
| CN114128877A (en) * | 2021-12-13 | 2022-03-04 | 湖北省农业科学院农产品加工与核农技术研究所 | Crispness keeping method for black fungus by physical treatment and black fungus sauce processing technology |
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Application publication date: 20151223 |