CN103893220A - Preparation method of Cordyceps sinensis superfine powder - Google Patents
Preparation method of Cordyceps sinensis superfine powder Download PDFInfo
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- CN103893220A CN103893220A CN201410154748.7A CN201410154748A CN103893220A CN 103893220 A CN103893220 A CN 103893220A CN 201410154748 A CN201410154748 A CN 201410154748A CN 103893220 A CN103893220 A CN 103893220A
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Abstract
The invention discloses a preparation method of Cordyceps sinensis superfine powder. The method comprises the steps of washing inclusion-free Cordyceps sinensis, soaking with normal saline, taking out and removing normal saline on the surface of the Cordyceps sinensis; drying the Cordyceps sinensis in a drying device at 42-58 DEG C for 6-10h; freezing the Cordyceps sinensis, slowing heating and keeping the temperature under appropriate conditions, vacuumizing a Cordyceps sinensis container while heating slowly, and keeping a vacuum state; grinding the Cordyceps sinensis into 1500-2000 meshes under protection of protective gas, and dewatering and drying the Cordyceps sinensis powder. According to the preparation method, the Cordyceps sinensis powder with small grain size and high drying degree can be obtained under a condition that nutrient substances of the Cordyceps sinensis are not lost; the operation is simple and easy; besides, the wall breaking method of the Cordyceps sinensis has large market space and high profit margin.
Description
Technical field
The technical field that the invention belongs to Cordyceps processing, specifically, relates to a kind of preparation method of Cordyceps superfines.
Background technology
Cordyceps is the rare medicinal herbs simply that originates in Yunnan Province of China, Sichuan, Tibet and Qinghai Area.For Clavicipitaceae fungus Cordyceps colonizes in Stroma on Hepialidae insect larvae and the dry composite body of larva corpse.In Cordyceps, be rich in the effective ingredient such as the various bioactivators such as cordycepin, cordycepic acid, uridnine, adenosine, Cordyceps polysaccharide, SOD and aminoacid, various trace elements and micro-raw element.Its property of medicine is sweet equals, returns lung, kidney channel, and has the effect of kidney-supplementing liver-boosting, hemostasis and phlegm, and fitness and disease prevention is had to distinctive effect, is the three large treasures equally celebrated for their achievements with Radix Ginseng, Cornu Cervi Pantotrichum.
Because growing environment requirement is high, cause the output of Cordyceps lower; And all can cause to some extent the nutrient substance in Cordyceps to run off for harvesting, the storage and transport link of fresh Cordyceps at present.The store method extensively adopting is at present that dry in the sun, in its place of production, is dried on the spot, afterwards the Cordyceps drying is packed, is transported by the Cordyceps after plucking.It is serious that but the Cordyceps drying easily ruptures and nutrient substance runs off; Owing to being subject to weather effect larger, thus efficiency low and be not easy control.
In order effectively to preserve the active substance in Cordyceps, some technology adopts carries out fresh lyophilizing preservation to Cordyceps, but this operating procedure complexity, wayward; Because operation easier is high, easily cause its nutrient substance to run off; And packing, preservation, transit link are had to higher requirement.In addition, also have some technology to adopt Cordyceps is ground into powder, then pack and transport.But grind in process of lapping, can produce amount of heat, cause the loss of Cordyceps nutrient substance; If employing water-cooled, can cause again the water content of finished product Cordyceps powder high.
To sum up, the Cordyceps powder particle diameter that adopts existing lapping mode to obtain is large, and it is serious that water content is high, nutrient substance runs off.
Summary of the invention
The invention provides one and can either preserve Cordyceps nutritional labeling and do not run off, good crushing effect, again simple breaking method.
According to an aspect of the present invention, provide a kind of preparation method of Cordyceps superfines, described preparation method comprises:
Step S101, rinses the free from admixture Cordyceps of plucking within 6 hours with pure water, and the washing time of every Cordyceps is between 1.5min～3min;
Described Cordyceps after rinsing is soaked in to 25min～35min in the normal saline of pH value between 2.2～3.8;
Take out described Cordyceps, and fall the normal saline of remained on surface with purified rinse water;
Step S102, the drying device that described Cordyceps is placed in to 42 ℃～58 ℃ carries out the dry of 6h～10h;
Step S103, under the condition of-15 ℃～-45 ℃, carries out freezing to described Cordyceps, after freezing 3h～5h, under the air pressure conditions of 20pa～45pa, slowly heat up, temperature is risen to 20 ℃～35 ℃ between 30min～60min, and keep 4h～4.8h;
Apparatus for placing evacuation to described Cordyceps in carrying out slowly intensification, and keep vacuum state;
Step S104, under the temperature conditions of 20 ℃～25 ℃, is positioned over described Cordyceps in pulverizer and pulverizes, and the Cordyceps powder obtaining is 1500 order～2000 orders;
In pulverizing, in described pulverizer, pass into dry protective gas;
Step S105, at air pressure, lower than 12pa, temperature is lower than drawing water dry to described Cordyceps powder under the condition of 32 ℃.
According to a specific embodiment of the present invention, the pH value of described normal saline adopts citric acid to adjust.
According to another specific embodiment of the present invention, described protective gas comprises nitrogen and/or noble gas.
According to another specific embodiment of the present invention, the water content of described protective gas is lower than 0.8%.
According to another specific embodiment of the present invention, described pulverizer is super micron mill.
In the preparation method of Cordyceps superfines of the present invention, first to clean the Cordyceps of fresh harvesting, remove its impurity.But going the deimpurity while can not destroy again its activity.Next be dried, to guarantee that water content is few in the follow-up powder obtaining, the quality of powder is good.After dry, Cordyceps is not directly pulverized, or it is carried out freezing, its active substance can be preserved better; Afterwards for it is pulverized, be more slowly warming up to suitable pulverizing temperature.In the protection of protective gas, to its pulverizing.After pulverizing, continue it to carry out redrying, make it water content and further reduce.Be of high nutritive value, powder diameter is little, the Cordyceps powder of easy preservation; And method of the present invention is simple, with low cost.
Accompanying drawing explanation
By reading the detailed description that non-limiting example is done of doing with reference to the following drawings, it is more obvious that other features, objects and advantages of the present invention will become:
Figure 1 shows that according to the schematic flow sheet of the preparation method of a kind of Cordyceps superfines of the present invention specific embodiment.
In accompanying drawing, same or analogous Reference numeral represents same or analogous parts.
The specific embodiment
Disclosing below provides many different embodiment or example to be used for realizing different structure of the present invention.Of the present invention open in order to simplify, hereinafter the parts to specific examples and setting are described.In addition, the present invention can be in different examples repeat reference numerals and/or letter.This repetition is in order to simplify and object clearly, itself do not indicate the relation between discussed various embodiment and/or setting.It should be noted that illustrated parts are not necessarily drawn in proportion in the accompanying drawings.The present invention has omitted the description of known assemblies and treatment technology and technique to avoid unnecessarily limiting the present invention.
With reference to figure 1, Figure 1 shows that according to the schematic flow sheet of the preparation method of a kind of Cordyceps superfines of the present invention specific embodiment.
Step S101, rinses the free from admixture Cordyceps of plucking within 6 hours with pure water, and the washing time of every Cordyceps is between 1.5min～3min.Because plucking time is long, the activity of Cordyceps can run off to some extent, therefore will reduce the standing time after Cordyceps is plucked as far as possible, as far as possible fresh Cordyceps is processed in time.Preferably, Cordyceps is for further processing plucking within 6 hours.In order to obtain Cordyceps powder free from admixture, first to remove the impurity in Cordyceps, then it is rinsed.Preferably, adopt pure water to rinse.Free from admixture in pure water, and rinse and can take away Cordyceps remained on surface earth or impurity.It should be noted that because Cordyceps is more tender and lovely, in flushing process, control water velocity and intensity, avoid it to cause damage.Therefore washing time can not be long, is preferably between 1.5min～3min, for example: 1.5min, 2min or 3min.
Described Cordyceps after rinsing is soaked in to 25min～35min in normal saline, for example: 25min, 30min or 35min.The pH value of this normal saline is controlled between 2.2～3.8, for example: 2.2,3.0 or 3.8.Preferably, the pH value of described normal saline adopts citric acid to adjust.Compared with other acidic materials, citric acid is simple and easy to get, safety non-toxic, and Cordyceps is soaked in the normal saline of citric acid adjusting, contributes to keep its active substance.
After immersion, take out described Cordyceps, and fall the acid normal saline of remained on surface with purified rinse water.
Continue execution step S102, the drying device that described Cordyceps is placed in to 42 ℃～58 ℃ carries out the dry of 6h～10h.In order to carry out better crushing operation, and obtain the Cordyceps powder that water content is lower, need to be dried the Cordyceps before pulverizing.Preferably, the temperature of drying device is 42 ℃～58 ℃, for example: 42 ℃, 50 ℃ or 58 ℃.Excess Temperature can cause the nutrient substance of Cordyceps inside to run off in a large number; The too low fully dry object that do not reach of temperature.Be preferably 6h～10h drying time, for example: 6h, 8h or 10h.Within this time period, can obtain best drying effect.
After being dried, execution step S103, under the condition of-15 ℃～-45 ℃, carries out freezing to described Cordyceps.Carry out after dry freezingly, the temperature of Cordyceps is plummeted to below-15 ℃ above from 42 ℃, can produce micro-crack at the inner thin weak part of Cordyceps, be that follow-up crushing operation is more easily gone at once, and grinding time is shorter, and crushing effect is better.Cryogenic temperature is preferably-15 ℃～-45 ℃, for example :-15 ℃ ,-30 ℃ or-45 ℃.Preferably, cooling time is 3h～5h, for example: 3h, 4h or 5h.
Afterwards, under the air pressure conditions of 20pa～45pa, slowly heat up, its air pressure can be for example: 20pa, 30pa or 45pa.Temperature is risen to 20 ℃～35 ℃ between 30min～60min.Heating-up time is unsuitable long, and oversize meeting causes the effective ingredient of Cordyceps to run off; And the heating-up time is too short, suddenly heat up, can make Cordyceps because part activity is lost in the sudden change of environment.Therefore, the heating-up time preferably completes within 30min～60min, for example: 30min, 45min or 60min.Temperature is risen to 20 ℃～35 ℃, for example: 20 ℃, 30 ℃ or 35 ℃.After heating up, keep 4h～4.8h, for example: 4h, 4.4h or 4.8h.Make the inside and outside of Cordyceps reach temperature equalization.
It should be noted that the apparatus for placing evacuation to described Cordyceps in carrying out slowly intensification, and keep vacuum state.Evacuation can be removed airborne aqueous vapor on the one hand, makes it more dry; Meanwhile, also can remove airborne impurity, make it more pure.
In the time that Cordyceps reaches suitable condition, continue step S104, under the temperature conditions of 20 ℃～25 ℃, described Cordyceps is positioned in pulverizer and is pulverized.Owing to can producing heat in crushing process, therefore pulverize temperature lower than the temperature in step S103, be preferably 20 ℃～25 ℃, for example: 20 ℃, 22 ℃ or 25 ℃.
In pulverizing, in described pulverizer, pass into dry protective gas.Preferably, described protective gas comprises nitrogen and/or noble gas.Protective gas can be avoided contacting between Cordyceps and Cordyceps powder and oxygen, prevents that some active substance in Cordyceps runs off because of oxidation.Preferably, the water content of described protective gas is lower than 0.8%.Preferably, the temperature of described protective gas is lower than 5 ℃.Preferably, described pulverizer is super micron mill.After crushed, can obtain 1500 order～2000 object Cordyceps powder, i.e. Cordyceps superfines.
Due in preorder step, again bring moisture may to Cordyceps powder, therefore need to be further dried.Continue execution step S105, at air pressure, lower than 12pa, temperature is lower than drawing water dry to described Cordyceps powder under the condition of 32 ℃.The Cordyceps superfines finished product that gets final product finally after dry.
Adopt preparation method of the present invention, the Cordyceps powder that can obtain that particle diameter is little, degree of drying is high, nutritive value and active substance does not run off substantially; And operation is simple.
Although describe in detail about example embodiment and advantage thereof, be to be understood that the protection domain in the case of not departing from spirit of the present invention and claims restriction, can carry out various variations, substitutions and modifications to these embodiment.For other examples, those of ordinary skill in the art should easily understand in keeping in protection domain of the present invention, and the order of processing step can change.
In addition, range of application of the present invention is not limited to technique, mechanism, manufacture, material composition, means, method and the step of the specific embodiment of describing in description.From disclosure of the present invention, to easily understand as those of ordinary skill in the art, for had or be about at present technique, mechanism, manufacture, material composition, means, method or the step developed later, wherein they carry out identical function or the identical result of acquisition cardinal principle of corresponding embodiment cardinal principle of describing with the present invention, can apply them according to the present invention.Therefore, claims of the present invention are intended to these technique, mechanism, manufacture, material composition, means, method or step to be included in its protection domain.
Claims (5)
1. a preparation method for Cordyceps superfines, is characterized in that, comprises step:
A) with pure water, the free from admixture Cordyceps of plucking within 6 hours is rinsed, the washing time of every Cordyceps between 1.5min～3min,
Described Cordyceps after rinsing is soaked in to 25min～35min in the normal saline of pH value between 2.2～3.8,
Take out described Cordyceps, and fall the normal saline of remained on surface with purified rinse water,
B) drying device that described Cordyceps is placed in to 42 ℃～58 ℃ carries out the dry of 6h～10h,
C) under the condition of-15 ℃～-45 ℃, described Cordyceps is carried out freezing, after freezing 3h～5h, under the air pressure conditions of 20pa～45pa, slowly heat up, temperature is risen to 20 ℃～35 ℃ between 30min～60min, and keep 4h～4.8h,
Apparatus for placing evacuation to described Cordyceps in carrying out slowly intensification, and keep vacuum state,
D) under the temperature conditions of 20 ℃～25 ℃, described Cordyceps is positioned in pulverizer and is pulverized, the Cordyceps powder obtaining is 1500 order～2000 orders,
In pulverizing, in described pulverizer, pass into dry protective gas,
E) at air pressure lower than 12pa, temperature is lower than drawing water dry to described Cordyceps powder under the condition of 32 ℃.
2. preparation method according to claim 1, is characterized in that, the pH value of described normal saline adopts citric acid to adjust.
3. preparation method according to claim 1 and 2, is characterized in that, described protective gas comprises nitrogen and/or noble gas.
4. according to the preparation method described in claim 1-3 any one, it is characterized in that, the water content of described protective gas is lower than 0.8%.
5. according to the preparation method described in claim 1-4 any one, it is characterized in that, described pulverizer is super micron mill.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106214706A (en) * | 2016-03-09 | 2016-12-14 | 西藏藏山奇藏医药保健品有限公司 | A kind of heavy metals removal method in Cordyceps |
| CN106969623A (en) * | 2017-04-18 | 2017-07-21 | 东莞市佳乾新材料科技有限公司 | A kind of improved powder drying device of structure |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102824376A (en) * | 2012-09-17 | 2012-12-19 | 张连龙 | Cordyceps sinensis powder and preparation method and application thereof |
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- 2014-04-11 CN CN201410154748.7A patent/CN103893220A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102824376A (en) * | 2012-09-17 | 2012-12-19 | 张连龙 | Cordyceps sinensis powder and preparation method and application thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106214706A (en) * | 2016-03-09 | 2016-12-14 | 西藏藏山奇藏医药保健品有限公司 | A kind of heavy metals removal method in Cordyceps |
| CN106969623A (en) * | 2017-04-18 | 2017-07-21 | 东莞市佳乾新材料科技有限公司 | A kind of improved powder drying device of structure |
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Application publication date: 20140702 |