CN101597543B - Method for simultaneously preparing osmanthus essence, water soluble fine powder and fiber micro powder - Google Patents
Method for simultaneously preparing osmanthus essence, water soluble fine powder and fiber micro powder Download PDFInfo
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Abstract
The invention discloses a method which adopts osmanthus as a raw material for simultaneously preparing osmanthus essence, water soluble fine powder and fiber micro powder, belonging to the technical field of extracting the effective components of plant. The method of the invention includes: (1) osmanthus is processed by the step of wet crushing to obtain osmanthus pulp; (2) osmanthus pulp is processed by vacuum distillation to obtain oil-water mixed gas and concentrated pulp; (3) the oil-water mixed gas is condensed into liquid; after the layering of oil and water, osmanthus absolute is obtained through collection, and essential osmanthus oil is obtained after the molecular distillation purification of the osmanthus absolute; (4) after the solid-liquid separation of the concentrated pulp, water containing solid slag and mixed aqueous solution are obtained; (5) after the water containing solid slag is dried, the fiber micro powder is obtained; and (6) after the membrane separation of the mixed aqueous solution, the concentrative pulp of the aqueous solution is obtained, and the water soluble fine powder is obtained after the concentrative pulp is dried. The yield of the essential osmanthus oil prepared by the invention is higher than 2 per thousand by weight, the yield of the water soluble active fine powder exceeds 4 per thousand by weight, the yield of the fiber micro powder exceeds 10 per thousand by weight, the products do not contain organic solvent and heavy metal, and the method belongs to the field of homogenization.
Description
Technical field
The invention discloses a kind of is raw material with the sweet osmanthus, prepares the method for osmanthus flower fragrance, water soluble fine powder, fiber micro powder simultaneously, belongs to effective ingredients in plant extractive technique field.
Background technology
Sweet osmanthus Osmanthus fragrans Lour. has another name called sweet-scented osmanthus, Leaf and twig of Common Jasminorange, Jin Su, and its fragrance is quiet and tastefully laid out strong, and the good reputation of " drifting fragrance beyond the highest heavens ", " imperial saliva dare not be fragrant in the world " is arranged, and is very popular always, is one of China's ten great tradition famous flowers.Compositions such as rich in proteins, fat, carbohydrate, robust fibre, multiple amino acids, VITAMIN, trace element, enzyme, growth hormone, sweet osmanthus alkane, carotene, perfume oil, anthocyanidin in the sweet osmanthus.Sweet osmanthus mainly is used to make various dessert, wine, tea etc. except that for viewing and admiring.Sweet osmanthus is able to widespread use in perfume industry in recent years, is used to obtain through refining osmanthus concrete or absolute oil, is used for makeup and food blending.
At present be that the method that raw material is obtained through refining essence mainly contains solvent extration, steam distillation, supercritical carbon dioxide extraction method, simultaneous distillation method, historrhexis's extraction process with the sweet osmanthus.
1, solvent extration: select suitable solvent for use, volatile component is dissolved in wherein separates with osmanthus flowers, distillating recovering solvent can obtain osmanthus concrete then.Because the boiling point of organic solvent is lower, can avoid the secondary reaction between volatile component, but make the part component in the process that reclaims solvent, run off, and have dissolvent residual all the time in the product with solvent.
2, steam distillation: adopt steam distillation, volatile component separates with osmanthus flowers under higher temperature, and is taken out of container by steam, obtains the aqueous solution of volatile component after the condensation, isolates absolute oil again from oil-water mixture.This method does not have organic solvent residual, but since when distillation temperature higher, cause volatile component to each other or and airborne oxygen between react, thereby change the original composition of volatile component.
3, supercritical carbon dioxide extraction method: select for use carbonic acid gas as solvent, under super (Asia) criticality, carbonic acid gas dissolves volatile component, and takes it out of extraction container, can be easy to realize that carbonic acid gas separates with volatile component owing to change pressure and temperature.This method noresidue, reaction conditions gentleness, superior product quality.But this method need be earlier drying to osmanthus flowers, and then carry out carbon dioxide extraction, and the drying process volatile component of fresh flower loses bigger, and its Technology requirement is high, and the cost of equipment investment is big.
4, simultaneous distillation method: adopt chemical solvent and water vapor to distill simultaneously, to reach the purpose that improves sweet osmanthus volatile oil yield and reduce distillation time.Though this method has reduced the material heated time, owing to added organic solvent, solvent-extracted shortcoming can't be evaded all the time.
5, historrhexis's extraction process: adopt organic solvent to make solubility promoter and grinding aid, osmanthus flowers is carried out historrhexis, organic solvent in time dissolves the extracting method of volatile component.This method adopts the means of historrhexis, has improved yield, has reduced the extraction time, but still has belonged to the category of organic solvent extraction, and solvent-extracted shortcoming still can't be avoided.
Extract osmanthus flower fragrance with aforesaid method, or the volatile component loss is big, the product recovery rate is low, or there are organic solvent residual in product volatile component heated denaturalization or product, influence product quality.And the deep processing that at present with the sweet osmanthus is raw material mainly concentrates on the volatile component that extracts in the sweet osmanthus, and water soluble component in the sweet osmanthus and fiber-like composition be extraction and application in addition simultaneously not, is a kind of great waste to the sweet osmanthus resource.
Summary of the invention
Having the object of the present invention is to provide a kind of is raw material with the osmanthus flowers, prepares the method for osmanthus flower fragrance, water soluble fine powder, fiber micro powder simultaneously, osmanthus flower fragrance no solvent residue, no thermally denature, product quality height, the recovery rate height of the present invention's preparation.
For realizing that noresidue, no thermally denature, high yield, short period of time prepare the volatile component of osmanthus flowers, obtain other non-volatile activeconstituents simultaneously, the present invention analyzes the contrast conventional approach, propose on to the basis of the intensive cognition of raw material and by experiment, detection validation, following technical scheme is provided:
A kind of method for preparing osmanthus flower fragrance, water soluble fine powder, fiber micro powder simultaneously may further comprise the steps:
(1) at normal temperatures, through wet method cytoclasis, obtain the sweet osmanthus slurry of granularity less than 5 μ m, average degree of fragmentation 〉=95% with sweet osmanthus;
(2) the sweet osmanthus slurry being sent into vaporizer, is that 40 ℃～45 ℃, pressure are vacuum distilling 5～10s under the condition of 3000～5000Pa in temperature, obtains profit mixed gas and concentrated slurry;
(3) the profit mixed gas is sent into condenser, under 20 ℃～25 ℃ temperature, be condensed into liquid, leave standstill, collecting after the profit layering and obtaining content is the above Flos Osmanthi Fragrantis quintessence oil of 95wt%, and Flos Osmanthi Fragrantis quintessence oil is that 20 ℃～30 ℃, pressure are that to obtain purity under the condition of 5～10Pa after molecular distillation purifying, decolouring be osmanthus essential oil more than the 99wt% in temperature;
(4) concentrate the water purification dilution of slurry, obtain water ratio after the solid-liquid separation and be the moisture solid slag of 75wt%～80wt% and insoluble solid substance mixed aqueous solution less than 1wt ‰ through 2～5 times of weight;
(5) water ratio is that the moisture of 75wt%～80wt% obtains fiber micro powder after the slag drying admittedly;
(6) insoluble solid substance obtains the aqueous solution underflow of solid content greater than 20wt% less than the mixed aqueous solution of 1wt ‰ through the film branch; Underflow obtains the smart powder of water-soluble active that water ratio is lower than 5wt% through lyophilize.
The cytoclastic concrete grammar of wet method is described in the step (1), the water purification that in sweet osmanthus, adds 1～10 times of weight, to spend, water mixes and to place colloidal mill, under the rotating speed of 2500～3000 commentaries on classics/min, grind 3～5s, sweet osmanthus is crushed to 200 order fineness, the sweet osmanthus that obtains percentage of damage 〉=95% is slightly starched, the thick slurry of sweet osmanthus is sent in the high pressure homogenizer, under normal pressure～70Mp pressure reduction changes, with flow velocity homogenate 3～5s of 400～500m/s, obtain the sweet osmanthus slurry of granularity less than 5 μ m, average cell degree of fragmentation 〉=95%.
Vaporizer is a rotary film evaporator described in the step (2), the sweet osmanthus slurry is that 40 ℃～45 ℃, pressure are under the condition of 3000～5000Pa behind vacuum distilling 5～10s in temperature, obtain to concentrate slurry by rotary film evaporator lower end slag-drip opening, obtain the profit mixed gas by rotary film evaporator upper end vacuum system pipeline.
Condenser is the taper condenser described in the step (3), the condenser embedded pure water, water temperature is constant in 20 ℃～25 ℃, after the profit mixed gas is sent into condenser, under 20 ℃～25 ℃ temperature, be condensed into liquid, leave standstill, profit is because of the difference in specific gravity natural layering, oil phase rises and enters the n shape bend pipe of taper upper end of condenser, collect the Flos Osmanthi Fragrantis quintessence oil obtain more than the content 95wt% by n shape bend pipe, Flos Osmanthi Fragrantis quintessence oil is that 20 ℃～30 ℃, pressure are that to obtain purity under the condition of 5～10Pa after molecular distillation purifying, decolouring be osmanthus essential oil more than the 99wt% in temperature.
The preferred secondary solid-liquid separation of solid-liquid separating method described in the step (4) will concentrate the contained insoluble solid substance of slurry earlier and be reduced in the 3wt%, separate by butterfly that more insoluble solid substance is reduced to less than 1wt ‰, for the membrane sepn of latter stage creates conditions.
The drying means of moisture solid slag can be cryodrying or vacuum-drying in the step (5), preferred 65 ℃～68 ℃ following dynamic vacuum dryings.
Cryodesiccated temperature is-10 ℃～-50 ℃ in the step (6), preferred-15 ℃～-20 ℃.
The effective constituent of sweet osmanthus mostly is present in its tissue and cell interior, the about 7 μ m of sweet osmanthus cell size, the present invention adopts the wet method tissue disruptive methods, after colloidal mill is crushed to 200 order fineness, send in the high pressure homogenizer again sweet osmanthus, homogenate under normal pressure～70Mp pressure reduction change condition, guarantee the abundant broken wall of sweet osmanthus cell, the effective constituent that sweet osmanthus is contained is discharged fully, can simultaneously disposablely extract fat-soluble volatile oil, compositions such as smart powder of water-soluble active and dietary fiber micro powder, when improving the product recovery rate, significantly reduce preparation time, raise the efficiency.Add the water purification of 1～10 times of weight of sweet osmanthus simultaneously as grinding aid and solubility promoter in grinding, make the ascensional range of slurry temperature be controlled at about 8～10 degree, when rising significantly, the crushing process temperature realizes that organic solvent-free is residual in the product, guarantees product quality evading.The slurry temperature ascensional range is controlled at about 8～10 degree, and helping postorder workshop section is that electric energy is saved in the feed liquid intensification.Simultaneously the osmanthus flowers volume-diminished of wet method meal four times, help antistaling storing.
Patent application of the present invention adopts vacuum distillation technique that the bay-oil water mixture is separated from the sweet osmanthus slurry behind the broken acquisition of wet method histocyte sweet osmanthus slurry, the rotating thin film evaporation that the preferred overcurrent time of vacuum distilling is short.Vacuum distilling can make the osmanthus flowers aromatised fraction separate by water vapor under low temperature (40 ℃～45 ℃ temperature) condition, while high vacuum environment anoxic, between the aromatised fraction or itself and airborne oxygen generation secondary reaction exist hardly, the application's distillation time is within 10 seconds in addition, combination conditions such as " broken wall homogenate, vacuum height, temperature is low, the time is short, steam distillation " makes that the product activity is good, yield is high, noresidue.
The sweet osmanthus slurry obtains two kinds of products after vacuum distilling, a kind of is the profit mixed gas, and the one, concentrate the broken wall slurry.The condensation in 20 ℃～25 ℃ constant temperature water purifying taper condensers are housed of profit mixed gas, pipe taper upper end of condenser is tiny, the lower end is thick, help the collection of oil phase, cost is low, and loss is few, the yield height of the absolute oil of acquisition, essential oil, the yield of absolute oil reaches 2.4wt ‰, and the yield of essential oil is greater than 2.0wt ‰.
Concentrate the broken wall slurry and be rich in multiple water soluble component, after the secondary solid-liquid separation obtains containing wet solid slag and mixed aqueous solution, the utilization modern separation technology prepares the smart powder of water-soluble active composition through 2～5 times of weight water purification dilutions.Prior art also has the method for preparing water soluble powder, but front-end process is different with the application, difference is that the application is earlier by vacuum distilling, and prior art directly enters solid-liquid separation workshop section without vacuum distilling, the drawback of existing preparation water soluble fine powder technology is because the broken wall slurry contains volatility and involatile constituent simultaneously, and involatile constituent is a fat-soluble component, the fiber of osmanthus flowers has stronger adsorption to fat-soluble component, the wet solid slag that contains that goes out through solid-liquid separation contains tangible aromatic odour, solid-liquid separation is not thorough, and active ingredient loss is big.The application adopts first vacuum distilling to isolate fragrance ingredient, helps solid-liquid separation completely, has reduced the loss of activeconstituents.Solid-liquid separation adopts the secondary mode, because the thickened pulp solid content reaches more than the 20wt%, water purification through oily water separation, the airtight thickened pulp that enters, water circulation use reduces energy consumption so on the one hand, make the slurries water content surpass the saturation ratio of water-soluble composition on the other hand, reduce the absorption of fiber, strengthen separating effect, finally improve the water-soluble composition yield water-soluble composition.Separating device is a lot, advises first-selected horizontal type screw settling separating device, and thickened pulp solid content (insoluble composition) is reduced to 3wt% with interior level, passes through three-phase butterfly separating device again solid content (insoluble composition) is reduced in the 1wt ‰.The solid-liquid secondary separates and concentrated broken wall slurry airtight connection of outlet of vacuum distilling.This segment process obtains the osmanthus flowers mixed aqueous solution and contains wet solid slag (about water content 75wt%).
Mixed aqueous solution obtains concentrated solution and water purification through membrane sepn, and workshop section's dilution contained wet solid slag before water purification was recycled to, and concentrated solution becomes smart powder through lyophilize again.
In sum, osmanthus flowers method by molecular distillation behind the wet method cell wall breaking is obtained volatile component, to add through the broken wall thickened pulp after the distillation and be diluted to water content and surpass after the saturation ratio of water-soluble composition to concentrate through solid-liquid separation and membrane type and obtain water-soluble active composition dope, dope becomes water soluble fine powder through cryodrying.The osmanthus essential oil of volatile component preparation is rich in monoterpenes material, huge pillar triolefin and 25～60 kinds of fragrance ingredients such as derivative, jononeionone and derivative thereof thereof, belonging to natural bouquet type composition, is the fine local flavor aromatic additive of various high-grade daily cosmetics, food and medicinal health product.Water soluble fine powder is rich in the necessary nutritive ingredients of human body such as quality protein, amino acid, zinc, copper, magnesium, potassium, calcium, have the clear molten characteristics of cold water, of many uses, can directly drink, also can be used as the natural flavour mountaineous full price additive of all kinds of luxury foods, drink.The solid-liquid separation gained contains wet solid slag, and to obtain fiber micro powder through cryodrying be the fine food fibre, help human body to strengthen digestion as foodstuff additive, simultaneously fiber micro powder still is a powder material at the bottom of the fine All Pure Nature makeup, the tangible comparative advantages of having compared with the market like product.
(existing routine techniques is no more than 0.8wt ‰ to the osmanthus essential oil yield of the present invention's preparation greater than 2wt ‰, zymolysis technique is through fully discharging sweet osmanthus fragrance presoma, the absolute oil yield is 1.8wt ‰, the essential oil yield is lower than this numerical value), the smart powder of water-soluble active surpasses 4wt% (prior art 3.5～4%), the fiber micro powder yield surpasses 10wt% (prior art is lower than 10wt%), yield is all above prior art, the quality product height is near raw material itself, and do not contain organic solvent and heavy metal, quality is better than the product of prior art for preparing, belongs to the homogeneity category.
Description of drawings:
Fig. 1 is a process flow diagram of the present invention.
Embodiment
The present invention is described in further detail below in conjunction with embodiment.But this should be interpreted as that the scope of the above-mentioned theme of the present invention only limits to following embodiment, allly all belong to scope of the present invention based on the technology that content of the present invention realized.
Embodiment
The present patent application people produces 20 tons of osmanthus flowers per year from having 100 mu of osmanthus flower fragrance raw material sites, before the technology of the present invention does not form, has adopted the way of traditional osmanthus flowers artificial seasoning, produces 3 tons of dry product sweet osmanthus per year, annual sales amount 60～700,000 yuan.2007～2008 years, the present patent application people uses present techniques successfully to produce 42 kilograms of osmanthus essential oils, 850 kilograms of water soluble fine powders, 2050 kilograms of fiber micro powders every year, annual sales amount is above 4,000,000 yuan, added value of product has improved 6～7 times before using present technique, produce market acceptance height, concrete production method and production data are as follows:
After 20 tons of fresh flower spray Cleaning for High Capacity of gathering, add 1～10 times of water purification, pulverized 3～5 seconds through JM180 type colloidal mill (rotating speed 2500～3000 changes) at normal temperatures, obtaining the meal granularity is that 200 orders, average percentage of damage are slightly starched 1000 kilograms/hour of JM180 type colloidal mill grindabilities greater than 95% sweet osmanthus.
The thick slurry of sweet osmanthus is after container for storing liquid buffering, even matter, directly be conveyed into the high pressure homogenizer of 2000～5000 kilograms/hour of 70Mp pressure, working ability through the 1.5KW motor-mount pump, under normal pressure～70Mp pressure reduction change condition, under 400～500 meter per second flow conditions, homogenate 3～5 seconds, with sweet osmanthus slightly starch homogenate to granularity less than 5 microns, percentage of damage greater than 95% sweet osmanthus slurry, the sweet osmanthus slurry is slightly starched temperature than sweet osmanthus and is risen 8 ℃～10 ℃, the abundant broken wall of sweet osmanthus cell, and effective constituent fully discharges.
The sweet osmanthus slurry through container for storing liquid buffering after the 1.5KW motor-mount pump is conveyed into to evaporation area is the rotary film evaporator of 5 square meters, in temperature is 40 ℃～45 ℃, pressure is vacuum distilling 5～10 seconds under the condition of 3000～5000Pa, film forming is forced in sweet osmanthus homogenate in vaporizer, obtain profit mixed gas and concentrated slurry, the trailing plants thatch vacuum pump unit of profit mixed gas through the rotary film evaporator upper end pumps into water purifying pipe vertebra shape condenser is housed, in 20 ℃～25 ℃ constant temperature water purification, be condensed into liquid, after the static layering, the oil phase on upper strata rises and enters the n shape bend pipe that caliber is 0.5cm, collect the absolute oil that obtains content 95wt% by bend pipe, per hour can collect 2 kilograms of absolute oil.
Concentrate slurry and enter slag ladle by rotary film evaporator lower end slag-drip opening, the water purification dilution that adds 2～5 times of weight the same period in slag ladle concentrates slurry, it is 10～20 tons/hour horizontal type screw settling separating centrifuge that slurry is transported to separating power through the 1.5KW motor-mount pump, under 5000 rev/mins rotating speed, carry out solid-liquid separation, slag-drip opening collection by this separating machine obtains the moisture solid slag that water content is 75wt%, per hour collects 800 kilograms of moisture solid slags; By the leakage fluid dram of this separating machine collect obtain insoluble solid content at 3wt% with interior liquid.
Insoluble solid content enters buffering storage tank with interior liquid through leakage fluid dram at 3wt%, being transported to separating power through the 1.5KW motor-mount pump is 5～10 tons/hour 400 type three-phase automatic sludge discharge butterfly separating machines, under 5500～6000 rev/mins rotating speed, carry out solid-liquid separation, slag-drip opening collection by this separating machine obtains the moisture solid slag that water content is 80wt%, per hour collects 100 kilograms of moisture solid slags; By the leakage fluid dram of this separating machine collect obtain insoluble solid content at 1wt% with interior mixing liquid.
Insoluble solid content enters surge tank with interior mixing liquid through leakage fluid dram at 1wt%, through the 1.5KW motor-mount pump be transported to film separating system separate concentrated, through tubular type ultrafiltration, one-level concentrate, secondary obtains solid content after concentrating greater than 20% concentrated solution and clear water; The separating power of film separating system is 5 tons/hour, per hour can obtain solid content greater than 200 kilograms of the concentrated solutions of 20wt%, and clear water is circulated to front-end process, is used to dilute thickened pulp.
Collect whole absolute oil temperature be 20 ℃～35 ℃, pressure be under the condition of 5～10Pa through molecular distillation purifying, decolouring, obtaining content is 42 kilograms of 99.9wt% essential oils.
The concentrated solution that collection obtains behind membrane sepn, lyophilize under-15 ℃～-20 ℃ temperature obtains 850 kilograms of water soluble fine powders.Collecting the moisture solid slag that the two-stage solid-liquid separation obtains, through the general rake formula of 5000L Vacuumdrier, is that 60 ℃～68 ℃, pressure are dry under the condition of 3000～5000Pa in temperature, obtains 2050 kilograms of fiber micro powders.
Claims (6)
1. method for preparing osmanthus flower fragrance, water soluble fine powder, fiber micro powder simultaneously is characterized in that may further comprise the steps:
(1) at normal temperatures, through wet method cytoclasis, obtain the sweet osmanthus slurry of granularity less than 5 μ m, average degree of fragmentation 〉=95% with osmanthus flowers;
(2) the sweet osmanthus slurry being sent into vaporizer, is that 40 ℃～45 ℃, pressure are vacuum distilling 5～10s under the condition of 3000～5000Pa in temperature, obtains profit mixed gas and concentrated slurry;
(3) the profit mixed gas is sent into condenser, under 20 ℃～25 ℃ temperature, be condensed into liquid, leave standstill, collecting after the profit layering and obtaining content is the above Flos Osmanthi Fragrantis quintessence oil of 95wt%, and Flos Osmanthi Fragrantis quintessence oil is that 20 ℃～30 ℃, pressure are that to obtain purity under the condition of 5～10Pa after molecular distillation purifying, decolouring be osmanthus essential oil more than the 99wt% in temperature;
(4) concentrate the water purification dilution of slurry, obtain water ratio after the solid-liquid separation and be the moisture solid slag of 75wt%～80wt% and insoluble solid substance mixed aqueous solution less than 1wt ‰ through 2～5 times of weight;
(5) water ratio is that the moisture of 75wt%～80wt% obtains fiber micro powder after the slag drying admittedly;
(6) insoluble solid substance obtains the aqueous solution underflow of solid content greater than 20wt% less than the mixed aqueous solution of 1wt ‰ through the film branch; Underflow obtains the smart powder of water-soluble active that water ratio is lower than 5wt% through lyophilize;
The cytoclastic concrete grammar of wet method is described in the step (1), the water purification that in sweet osmanthus, adds 1～10 times of weight, to spend, water mixes and to place colloidal mill, pulverizing 3～5s under the rotating speed of 2500～3000 commentariess on classics/min, the sweet osmanthus that obtains 200 order fineness, percentage of damage 〉=95% is slightly starched; The thick slurry of sweet osmanthus is sent in the high pressure homogenizer, under normal pressure～70Mp pressure reduction change condition,, obtained the sweet osmanthus cell wall breaking slurry of granularity less than 5 μ m, average cell degree of fragmentation 〉=95% with flow velocity homogenate 3～5s of 400～500m/s;
Vaporizer is a rotary film evaporator described in the step (2), sweet osmanthus cell wall breaking slurry is that 40 ℃～45 ℃, pressure are under the condition of 3000～5000Pa behind vacuum distilling 5～10s in temperature, obtain to concentrate slurry by rotary film evaporator lower end slag-drip opening, obtain the profit mixed gas by rotary film evaporator upper end vacuum system pipeline.
2. a kind of method for preparing osmanthus flower fragrance, water soluble fine powder, fiber micro powder simultaneously according to claim 1 is characterized in that:
Condenser is the taper condenser described in the step (3), the condenser embedded pure water, water temperature is constant in 20 ℃～25 ℃, after the profit mixed gas is sent into condenser, under 20 ℃～25 ℃ temperature, be condensed into liquid, leave standstill, profit is because of the difference in specific gravity natural layering, oil phase rises and enters the n shape bend pipe of taper upper end of condenser, collect the Flos Osmanthi Fragrantis quintessence oil obtain more than the content 95wt% by n shape bend pipe, Flos Osmanthi Fragrantis quintessence oil is that 20 ℃～30 ℃, pressure are that to obtain purity under the condition of 5～10Pa after molecular distillation purifying, decolouring be osmanthus essential oil more than the 99.9wt% in temperature.
3. a kind of method for preparing osmanthus flower fragrance, water soluble fine powder, fiber micro powder simultaneously according to claim 1 is characterized in that:
Solid-liquid separating method is the secondary solid-liquid separation described in the step (4), will concentrate the contained insoluble solid substance of slurry earlier and be reduced in the 3wt%, separates by butterfly that more insoluble solid substance is reduced to less than 1wt ‰.
4. a kind of method for preparing osmanthus flower fragrance, water soluble fine powder, fiber micro powder simultaneously according to claim 1 is characterized in that:
The drying means of moisture solid slag is cryodrying or vacuum-drying in the step (5).
5. a kind of method for preparing osmanthus flower fragrance, water soluble fine powder, fiber micro powder simultaneously according to claim 1 is characterized in that:
Cryodesiccated temperature is-10 ℃～-50 ℃ in the step (6).
6. a kind of method for preparing osmanthus flower fragrance, water soluble fine powder, fiber micro powder simultaneously according to claim 5 is characterized in that:
Cryodesiccated temperature is-15 ℃～-20 ℃ in the step (6).
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| CN102676353B (en) * | 2012-06-15 | 2013-08-21 | 重庆市鸿江酒业有限公司 | Method for producing osmanthus-flavored wine |
| CN103642592B (en) * | 2013-11-01 | 2015-07-22 | 西安银能科技发展有限责任公司 | Full utilization technology of rose flower |
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