CN102763817A - Method for preparing black fungus puffed ultramicro powder - Google Patents
Method for preparing black fungus puffed ultramicro powder Download PDFInfo
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Abstract
The invention discloses a method for preparing a black fungus puffed ultramicro powder. The method includes selecting black fungus sporophores to serve as a raw material, puffing black funguses by an instantaneous alternating temperature and pressure difference of a puffing tank of a puffing device, maintaining a valve between the puffing tank of the puffing device and a vacuum tank to be in an opening state all the time, subjecting the black funguses in the puffing tank to a vacuum drying, and subjecting the puffed black funguses to a coarse grinding and a superfine grinding to obtain the black fungus puffed ultramicro powder. According to the method, a high pressure gas serves as a carrier, by means of a puffing wall breaking process, a black fungus organization structure is subjected to a cytoclasis to release whole nutritional ingredients and medicinal effect ingredients which are easy to digest and use by human bodies, and problems that the black funguses are hard and not suitable for being chewed, digested and used are solved. Besides, when the black fungus puffed ultramicro powder can be mixed with foods of flours, cakes and the like, the black fungus puffed ultramicro powder has flavor and nutrition of the black funguses, and smoothing taste is increased. The method is low in production cost and suitable for industrialization production, and products are used for foods, health care foods, medicines and raw material extraction.
Description
Technical field
The present invention relates to the expanded ultra micropowder preparing process of a kind of black fungus, belong to processing of farm products technology field.
Background technology
Black fungus is one of commodity mushroom of artificial growth the earliest in the middle of China's edible fungus variety.Mainly be distributed in ground such as Heilungkiang, Jilin, Fujian, Hubei, Guangdong, Guangxi, Shandong, Jiangsu, Sichuan, Guizhou, Yunnan.According to edible fungi of china association statistics, China Dark auricularia auriculajudae total output surpassed 2,700,000 tons in 2011, and output increases very rapidly.China's black fungus output and consumption figure all occupy first place in the world at present.
Black fungus [Auricularia auricular (L.ex Hook.) Underw] has another name called black dish, light auricularia auriculajudae, cloud ear, and mycology is divided generic Basidiomycetes, Auriculariale, Auriculariaceae.Being the precious dietotherapeutic colloid fungi of China, is the health food of generally acknowledging in the world.The famous physician's Li Shizhen (1518-1593 A.D.) of the Ming Dynasty is write in Compendium of Material Medica: " auricularia auriculajudae is born on the rotten wood, and property is sweet flat, and it is not hungry to cure mainly beneficial gas, and the strong will of making light of one's life by commiting suicide also has under the treatment hemorrhoid bloody flux effect such as blood ".Modern Chinese medicine is thought; Black fungus has using tonifying Qi reinforcing lungs, blood circulation promoting and enriching function; Can be used for treatment of diseases such as Qi and blood deficiency, cough due to deficiency of the lung, hypertension and vascular sclerosis; Simultaneously its ferment and vegetable soda of containing can promote alimentary canal and the urinary tract glandular secretion, and collaborative secretion catalysis calculus, gall stone, kidney stone etc. is had significantly dissolve effect.Auricularia auriculajudae also has the antineoplastic immunologic function of enhancing body, can prevent multiple cancer.
Black fungus is described as by the nutritionist: " meat or fish in the element " and " king in the element " contains moisture 10.9 grams, protein 10.6 grams, fat 0.2 gram, carbohydrate 65.5 grams, 306 kilocalories of heats, crude fibre 7.0 grams, ash content 5.8 grams, 357 milligrams of calcium, 201 milligrams in phosphorus, 185 milligrams of iron, 0.03 milligram of carrotene, 0.15 milligram of thiamine, 0.55 milligram in riboflavin, 2.7 milligrams of niacins in per 100 gram black fungus.Containing 8 kinds of human bodies simultaneously must amino acid.Wherein iron-holder is higher, is 20 times of greenery spinach, 7 times of pork liver.
Black fungus belongs to the colloid fungi; The cell membrane main component is chitin and glucan, and is strong but pliable in texture, utilizes general physical, chemical method to be difficult to it is broken; And water-soluble polysaccharide in the black fungus, main functional component such as adenosine is present in the internal layer of black fungus cell membrane.As broken wall not, the nutriment that is contained in the cell membrane is difficult to see through cell membrane, and it is very low to get into the human body intestinal canal absorptivity, experiment showed, directly ediblely through the black fungus of broken wall, and its functional component human consumption utilization rate is merely about 10%; Broken wall can make the functional components stripping of being rich in the black fungus cell in water, and the digestibility of its functional component in human body reaches more than 90%.Therefore, broken wall is a key of utilizing the black fungus functional component.The method of fracturing cell walls is more, and wherein ultramicro grinding and ultrasonic Treatment are one of important means of broken wall black fungus cell membrane.
At present, the method commonly used of black fungus processing both at home and abroad has:
1, dry or dry the direct list marketing in back after drying, compression black fungus are plucked naturally or black fungus is compressed into piece, this method is a simple dehydration, has prolonged storage period; Reduce volume; Convenient transportation, the pair cell wall does not carry out broken wall, and directly edible absorptivity is still very low.
2, extract Blackfungus polyhexose and select dried fungus for use, pulverize, cross 40 mesh sieves; With several times water logging bubble, insulation, stir, filter then, precipitate, dry Blackfungus polyhexose, though this kind method has improved the stripping quantity of Blackfungus polyhexose; But technology is longer, and cost is higher.
The ultramicro grinding product makes a variation in rerum natura and microstructure easily; And all can improve in convenience such as extraction efficiency, dissolubility, absorption affinity, drug effect and bioavailabilities; When black fungus is refine to micron, Nano grade, functional component will be easier to fast Absorption, at present; The existing a small amount of report of the research of black fungus ultramicro grinding aspect; Adopt F omnipotent crusher of type high speed and JM-50 colloid mill machinery method to combine Vacuum Freezing & Drying Technology to prepare black fungus ultra micro powder like (2004) such as Yang Chunyu, and compared the ultra micro powder and pulverized back black fungus amino acid and change with vitamin content, show ultramicro grinding after the increase of black fungus total amino acid content remarkable; Relatively pulverize performances such as back sample granularity, microstructure, rehydration; The black fungus ultra micro powder that the result shows mechanical bond vacuum freeze-drying method preparation performance in every respect obviously is superior to the black fungus ultra micro powder of Mechanical Method preparation, though ultramicro grinding obviously is superior to the black fungus ultra micro powder of Mechanical Method preparation in every respect, vitamin B2 receives very havoc; The cell membrane broken wall is incomplete, and functional component still can not discharge fully.
Summary of the invention
To the deficiency of prior art, the present invention provides a kind of black fungus expanded ultra micropowder preparing process, and the black fungus water-soluble polysaccharide that black fungus water-soluble polysaccharide content is pulverized than standard machinery increases more than the 50wt%, and production cost is low, is easy to large-scale production.
Technical scheme of the present invention is following:
The expanded ultra micropowder preparing process of a kind of black fungus comprises that step is following:
(1), to choose the black fungus fructification be raw material, cleans, is dried to water content 30～50wt%, puts into the Bulking tank of bulking equipment, the amount of putting into of black fungus is 15～35% of a Bulking tank volume in volume ratio, the sealing Bulking tank;
(2), the black fungus in the Bulking tank is heated pressurized treatment 10～30min, temperature is 70～100 ℃ in the said Bulking tank, and pressure is 0.10～0.30MPa in the Bulking tank;
(3), open vavuum pump; Vacuum tank to bulking equipment vacuumizes, the vacuum that makes vacuum tank 0～-0.1MPa, open the valve between Bulking tank and the vacuum tank; Temperature in the Bulking tank, pressure moment reduces, and utilizes the alternating temperature of moment, pressure differential that black fungus is expanded;
(4), dehumidifier: temperature rises to 70～90 ℃ in the Bulking tank; Open vavuum pump, valve is in open mode all the time between maintenance Bulking tank and the vacuum tank, to the black fungus vacuum drying 1～1.5h in the Bulking tank; Be cooled to 25～30 ℃, return to and open Bulking tank behind the normal pressure and take out black fungus;
(5), get the coarse crushing of expanded, dried black fungus machinery, cross 40～50 mesh sieves, make the black fungus meal, put into micronizer then and carry out ultramicro grinding, cross 200～300 mesh sieves, make the expanded ultra micro powder of black fungus.
Preferred according to the present invention, black fungus is dried to water content 30wt% in the said step (1), and the amount of putting into of black fungus is 25% of a Bulking tank volume in volume ratio.
Preferred according to the present invention, in the said step (2), temperature is 70 ℃ in the Bulking tank, and pressure is 0.30MPa, keeps 30min that black fungus is heated pressurized treatment.Described heating pressurized treatment is through in the interlayer of Bulking tank, feeding steam the black fungus in the Bulking tank to be heated, and along with the increase of temperature, the pressure in the Bulking tank rises.
Preferred according to the present invention, in the said step (3), vacuum tank vacuum is-0.1MPa.
Preferred according to the present invention, the dehumidifier in the said step (4) is that temperature in the Bulking tank is risen to 90 ℃, opens vavuum pump, and valve is in open mode all the time between maintenance Bulking tank and the vacuum tank, to the black fungus vacuum drying 1h in the Bulking tank.
Preferred according to the present invention, ultramicro grinding described in the step (5) utilizes the vibration micronizer to carry out, and the ultramicro grinding time is 30min.The abrasive media of some is housed in the pulverizing chamber of micronizer; Ball, rod or post like hard material; Pulverizing chamber produces circular vibration under the effect that adds exciting force, the judder of pulverizing chamber makes medium generation sling movement in the pulverizing chamber, under the effect of this sling movement; Make each medium all produce the motion same with pulverizing chamber, material receives medium in pulverizing chamber high acceleration clashes into, learns from each other by exchanging views, pulverized by porphyrize, broken wall under the extruding, dissection.
The expanded ultra micro powder of black fungus of the present invention's preparation is used to produce food, health food, medicine and food additives.Be used to produce food, health food, medicine and food additives; When being used to produce black fungus vermicelli, steamed bun, thin pancake, biscuit, add the addition 0.5～10wt% of the expanded ultra micro powder of 200 order black fungus; Produce diet food, aided blood pressure-lowering, hypoglycemic, prevent artery sclerosis, coronary heart disease, and when antitumor health food, medicine, add the addition 50～60wt% of the expanded ultra micro powder of 300 order black fungus; When producing food additives, stabilizing agent, the addition 1～20wt% of the expanded ultra micro powder of 300 order black fungus.
The black fungus meal that step of the present invention (5) makes is used to extract Blackfungus polyhexose, when being used to extract Blackfungus polyhexose, get black fungus meal that step of the present invention (5) makes by routine immersion, filtration, deposition, drying after, make Blackfungus polyhexose.
Adopt method of the present invention; Through experiment contrast and microscopic examination; Black fungus morphosis behind expanded micro mist takes place to disintegrate and changes; Measure contrast through the phenolsulfuric acid method and find, black fungus water-soluble polysaccharide content (with glucose) is pulverized more than the high 50wt% of black fungus water-soluble polysaccharide content than standard machinery in the prepared black fungus ultra micro of the employing the method for the invention powder.
Compared with prior art, excellent results of the present invention is:
1, this method utilizes gases at high pressure to be carrier; Through expanded broken wall treatment, make black fungus institutional framework cytoclasis, discharge and be easy to whole nutritional labelings and the medicinal efficacy composition that human consumption absorbs; It is harder to have solved the black fungus quality, a difficult problem that should not chew, digests and absorbs.And the expanded ultra micro powder of black fungus is with after food such as flour, cake mix, and the flavor nutrition of existing black fungus increases smooth feeling again.This method production cost is low, is applicable to batch production production, and product is used for food, health food, medicine and extracts raw material.
2, the present invention handles black fungus with alternating temperature, pressure-difference and puffing, the drying of changing temperature-pressure-difference and puffing equipment; Adopt high steam that the Bulking tank that black fungus is housed is carried out indirect, avoid high steam directly to contact, guarantee original quality of black fungus with black fungus; Through moment alternating temperature, transformation realize carrying out expanded to black fungus; The black fungus cell wall structure is destroyed, unite superfine communication technique again, destroy the spongiocyte wall construction of black fungus to greatest extent; Make that functional component farthest discharges in the raw material from cell; Measure through the phenolsulfuric acid method, the black fungus water-soluble polysaccharide content that the black fungus after handling through method of the present invention is pulverized than standard machinery increases more than the 50wt%, has improved the absorptivity of nutritional labeling greatly.
3, the present invention in expanded end back directly at Bulking tank with the black fungus vacuum drying after expanded; Open vavuum pump, valve is in open mode all the time between maintenance Bulking tank and the vacuum tank, can realize the dehumidifier of black fungus dry; Save and carry out drying steps separately, practiced thrift energy consumption.
4, the present invention does not add any harmful, noxious material in process of production, and is safe in utilization, meets the processing request of pollution-free food and pollution-free food.
5, preparation technology's production cost of the present invention is low, is easy to large-scale production, and constant product quality can be in Long-term Storage under the normal temperature condition.
Description of drawings
Fig. 1 is the sketch map of bulking equipment used in the present invention, wherein: 1, Bulking tank; 2, Bulking tank interlayer; 3, steam generator; 4, vacuum tank; 5, valve.
The specific embodiment
Below in conjunction with embodiment and Figure of description the present invention is done detailed explanation, but be not limited thereto.
Employed bulking equipment comprises Bulking tank 1, steam generator 3 and vacuum tank 4 among the embodiment; The outer wall of said Bulking tank 1 is provided with interlayer 2; Said steam generator 3 is connected with Bulking tank interlayer 2 through valve 5, and said vacuum tank 4 is connected through valve 5 with Bulking tank 1.Bulking equipment market is on sale, and the bulking equipment that uses among the embodiment is available from the fruit and vegetable dilated drying machine of the diligent moral new material in Tianjin Science and Technology Ltd., model: QDPH1000-4.The vibration micronizer adopts the oscillatory type medicine micronizer of Jinan Billionpowder Tech& Eng Co., Ltd.
The black fungus raw material that is adopted among the embodiment is to be raw material with Changbai Mountain, northeast black fungus fructification.
1. choosing the black fungus fructification is raw material, through cleaning, being dried to water content 40wt%, puts into Bulking tank, and the amount of putting into of black fungus is 15% of a Bulking tank volume in volume ratio, the sealing Bulking tank;
2. the startup electric heating steam generator heats pressurized treatment to the black fungus in the Bulking tank, make temperature in the Bulking tank reach 80 ℃ and jar in pressure reach 0.30MPa, keep 20min;
3. open vavuum pump, vacuum tank is vacuumized, vacuum tank vacuum-0.10MPa opens the valve between Bulking tank and the vacuum tank, and the temperature in the Bulking tank, pressure moment reduces, and utilizes the alternating temperature of moment, pressure differential that black fungus is expanded;
4. temperature rises to 80 ℃ in the Bulking tank; Open vavuum pump, keep that valve is in open mode all the time between Bulking tank and the vacuum tank, under this temperature to the black fungus vacuum drying 1.5h in the Bulking tank; Be cooled to 25 ℃ then, return to and open Bulking tank behind the normal pressure and take out black fungus;
5. get the coarse crushing of expanded, dried black fungus machinery, cross 40 mesh sieves, make the black fungus meal, put into micronizer then and carry out ultramicro grinding, cross 300 mesh sieves, make the expanded ultra micro powder of black fungus.
Measure contrast through the phenolsulfuric acid method and find, water-soluble polysaccharide (with glucose meter) is 14.22wt% in the black fungus ultra micro powder that the said method of employing present embodiment makes.
1. choosing the black fungus fructification is raw material, through cleaning, being dried to water content 40wt%, puts into Bulking tank, and the amount of putting into of black fungus is 15% of a Bulking tank volume in volume ratio, the sealing Bulking tank;
2. the startup electric heating steam generator heats pressurized treatment to the black fungus in the Bulking tank, make temperature in the Bulking tank reach 80 ℃ and jar in pressure reach 0.20MPa, keep 20min;
3. open vavuum pump, vacuum tank is vacuumized, vacuum tank vacuum-0.10MPa opens the valve between Bulking tank and the vacuum tank, and the temperature in the Bulking tank, pressure moment reduces, and utilizes the alternating temperature of moment, pressure differential that black fungus is expanded;
4. temperature rises to 70 ℃ in the Bulking tank; Open vavuum pump, keep that valve is in open mode all the time between Bulking tank and the vacuum tank, under this temperature to the black fungus vacuum drying 1.5h in the Bulking tank; Be cooled to 25 ℃ then, return to and open Bulking tank behind the normal pressure and take out black fungus;
5. get the coarse crushing of expanded, dried black fungus machinery, cross 40 mesh sieves, make the black fungus meal, put into micronizer then and carry out ultramicro grinding, cross 300 mesh sieves, make the expanded ultra micro powder of black fungus.
Measure contrast through the phenolsulfuric acid method and find, water-soluble polysaccharide (with glucose meter) is 13.81wt% in the black fungus ultra micro powder that the said method of employing present embodiment makes.
1. choosing the black fungus fructification is raw material, through cleaning, being dried to water content 40wt%, puts into Bulking tank, and the amount of putting into of black fungus is 15% of a Bulking tank volume in volume ratio, the sealing Bulking tank;
2. the startup electric heating steam generator heats pressurized treatment to the black fungus in the Bulking tank, make 80 ℃ of temperature in the Bulking tank and jar in pressure reach 0.1MPa, keep 20min;
3. open vavuum pump, vacuum tank is vacuumized, vacuum tank vacuum-0.05MPa opens the valve between Bulking tank and the vacuum tank, and the temperature in the Bulking tank, pressure moment reduces, and utilizes the alternating temperature of moment, pressure differential that black fungus is expanded;
4. temperature rises to 90 ℃ in the Bulking tank; Open vavuum pump, keep that valve is in open mode all the time between Bulking tank and the vacuum tank, under this temperature to the black fungus vacuum drying 1h in the Bulking tank; Be cooled to 30 ℃ then, return to and open Bulking tank behind the normal pressure and take out black fungus;
5. get the coarse crushing of expanded, dried black fungus machinery, cross 40 mesh sieves, make the black fungus meal, put into micronizer then and carry out ultramicro grinding, cross 300 mesh sieves, make the expanded ultra micro powder of black fungus.
Measure contrast through the phenolsulfuric acid method and find, water-soluble polysaccharide (with glucose meter) is 13.24wt% in the black fungus ultra micro powder that the said method of employing present embodiment makes.
1. choosing the black fungus fructification is raw material, through cleaning, being dried to water content 40wt%, puts into Bulking tank, and the amount of putting into of black fungus is 15% of a Bulking tank volume in volume ratio, the sealing Bulking tank;
2. the startup electric heating steam generator heats pressurized treatment to the black fungus in the Bulking tank, make 90 ℃ of temperature in the Bulking tank and jar in pressure reach 0.20MPa, keep 20min;
3. open vavuum pump, vacuum tank is vacuumized, vacuum tank vacuum-0.05MPa opens the valve between Bulking tank and the vacuum tank, and the temperature in the Bulking tank, pressure moment reduces, and utilizes the alternating temperature of moment, pressure differential that black fungus is expanded;
4. temperature rises to 70 ℃ in the Bulking tank; Open vavuum pump, keep that valve is in open mode all the time between Bulking tank and the vacuum tank, under this temperature to the black fungus vacuum drying 1.5h in the Bulking tank; Be cooled to 25 ℃ then, return to and open Bulking tank behind the normal pressure and take out black fungus;
5. get the coarse crushing of expanded, dried black fungus machinery, cross 40 mesh sieves, make the black fungus meal, put into micronizer then and carry out ultramicro grinding, cross 300 mesh sieves, make the expanded ultra micro powder of black fungus.
Measure contrast through the phenolsulfuric acid method and find, water-soluble polysaccharide (with glucose meter) is 13.79wt% in the prepared black fungus ultra micro of the employing said method of the present embodiment powder.
Comparative Examples 1
The method such as the embodiment 1 that black fungus are carried out alternating temperature, pressure-difference and puffing, drying are said, and difference is:
In the step 2, start electric heating steam generator, the black fungus in the Bulking tank heated pressurized treatment, make temperature in the Bulking tank reach 80 ℃ and jar in pressure reach 0.05MPa, keep 20min;
Measure contrast through the phenolsulfuric acid method and find, adopt that water-soluble polysaccharide (with glucose meter) is 4.52wt% in the black fungus ultra micro powder that the said method of this Comparative Examples makes.
Comparative Examples 2
The method such as the embodiment 1 that black fungus are carried out alternating temperature, pressure-difference and puffing, drying are said, and difference is:
In the step 2, start electric heating steam generator, the black fungus in the Bulking tank heated pressurized treatment, make temperature in the Bulking tank reach 80 ℃ and jar in pressure reach 0.60MPa, keep 20min;
Measure contrast through the phenolsulfuric acid method and find, adopt that water-soluble polysaccharide (with glucose meter) is 8.28wt% in the black fungus ultra micro powder that the said method of this Comparative Examples makes.
Changing temperature-pressure-difference technology is carried out broken wall to the cell membrane of black fungus; Embodiment 1 and Comparative Examples 1-2 totally 3 processing, each is handled, and temperature all keeps 20min at 80 ℃ in the Bulking tank; The vacuum of vacuum tank is-0.10MPa; Carry out changing temperature-pressure-difference the cell membrane of black fungus is carried out broken wall, adopt the phenolsulfuric acid method to detect black fungus water-soluble polysaccharide (with glucose meter), testing result is seen table 1.
The different changing temperature-pressure-difference and puffing pressure parameters of table 1 are to the experimental result of the water-soluble thick polyoses content influence of black fungus
Interpretation of result: the expanded time is identical, and vacuum tank vacuum is identical, and when the Bulking tank internal pressure was 0.05Mpa, the pressure differential between Bulking tank and the vacuum tank was 0.15MPa, and black fungus water-soluble polysaccharide (with glucose meter) content is less, and the black fungus shell-broken effect is not good; When the Bulking tank internal pressure was 0.60MPa, the pressure differential between Bulking tank and the vacuum tank was 0.70MPa, and black fungus water-soluble polysaccharide (with glucose meter) content is less, and the black fungus shell-broken effect is not good; As Bulking tank internal pressure 0.30MPa, the pressure differential between Bulking tank and the vacuum tank is 0.40MPa, and black fungus water-soluble polysaccharide (with glucose meter) content is higher, and the black fungus shell-broken effect is best.Experiment finds, when changing temperature-pressure-difference carried out broken wall to the cell membrane of black fungus, the pressure differential between the pressure of Bulking tank and Bulking tank and the vacuum tank had bigger influence to the black fungus broken wall.
Claims (7)
1. expanded ultra micropowder preparing process of black fungus comprises that step is following:
(1), to choose the black fungus fructification be raw material, cleans, is dried to water content 30～50wt%, puts into the Bulking tank of bulking equipment, the amount of putting into of black fungus is 15～35% of a Bulking tank volume in volume ratio, the sealing Bulking tank;
(2), the black fungus in the Bulking tank is heated pressurized treatment 10～30min, temperature is 70～100 ℃ in the said Bulking tank, and pressure is 0.10～0.30MPa in the Bulking tank;
(3), open vavuum pump; Vacuum tank to bulking equipment vacuumizes, make vacuum tank vacuum 0～-0.1MPa between, open the valve between Bulking tank and the vacuum tank; Temperature in the Bulking tank, pressure moment reduces, and utilizes the alternating temperature of moment, pressure differential that black fungus is expanded;
(4), dehumidifier: temperature rises to 70～90 ℃ in the Bulking tank; Open vavuum pump, valve is in open mode all the time between maintenance Bulking tank and the vacuum tank, to the black fungus vacuum drying 1h～1.5h in the Bulking tank; Be cooled to 25～30 ℃, return to and open Bulking tank behind the normal pressure and take out black fungus;
(5), get the coarse crushing of expanded, dried black fungus machinery, cross 40～50 mesh sieves, make the black fungus meal, put into micronizer then and carry out ultramicro grinding, cross 200～300 mesh sieves, make the expanded ultra micro powder of black fungus.
2. the expanded ultra micropowder preparing process of black fungus according to claim 1 is characterized in that, black fungus is dried to water content 30wt% in the said step (1), and the amount of putting into of black fungus is 25% of a Bulking tank volume in volume ratio.
3. the expanded ultra micropowder preparing process of black fungus according to claim 1 is characterized in that, in the said step (2), the Bulking tank temperature is 70 ℃ in the Bulking tank, and pressure is 0.30MPa, keeps 30min that black fungus is heated pressurized treatment.
4. the expanded ultra micropowder preparing process of black fungus according to claim 1 is characterized in that in the said step (3), vacuum tank vacuum is-0.1MPa.
5. the expanded ultra micropowder preparing process of black fungus according to claim 1; It is characterized in that; Dehumidifier in the said step (4) is that temperature in the Bulking tank is risen to 90 ℃; Open vavuum pump, valve is in open mode all the time between maintenance Bulking tank and the vacuum tank, to the black fungus vacuum drying 1h in the Bulking tank.
6. the expanded ultra micropowder preparing process of black fungus according to claim 1 is characterized in that, ultramicro grinding described in the step (5) utilizes the vibration micronizer to carry out, and the ultramicro grinding time is 30min.
7. the application of the expanded ultra micro powder of each described black fungus of claim 1 ~ 6 is used to produce food, health food, medicine and food additives; When being used to produce black fungus vermicelli, steamed bun, thin pancake, biscuit, add the addition 0.5～10wt% of the expanded ultra micro powder of 200 order black fungus; Produce diet food, aided blood pressure-lowering, hypoglycemic, prevent artery sclerosis, coronary heart disease, and when antitumor health food, medicine, add the addition 50～60wt% of the expanded ultra micro powder of 300 order black fungus; When producing food additives, stabilizing agent, add the addition 1～20wt% of the expanded ultra micro powder of 300 order black fungus.
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