CN1119909A - Early-stage processing method of freeze-dried food and medicine - Google Patents
Early-stage processing method of freeze-dried food and medicine Download PDFInfo
- Publication number
- CN1119909A CN1119909A CN 95104887 CN95104887A CN1119909A CN 1119909 A CN1119909 A CN 1119909A CN 95104887 CN95104887 CN 95104887 CN 95104887 A CN95104887 A CN 95104887A CN 1119909 A CN1119909 A CN 1119909A
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- Meat, Egg Or Seafood Products (AREA)
- Freezing, Cooling And Drying Of Foods (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The method for pre-treating the food or medicine to be freeze-dried features that before they are freeze-dried, several slots and small holes are made on their surface for increasing the surficial area for moisture sublimation and shortening freeze-drying time.
Description
The invention belongs to a kind of processing method, belong to the preservation technique field with Freeze Drying Technique dried foods, medicine.
Freeze Drying Technique is with after the moisture object snap frozen, makes the ice distillation make a kind of method of this object drying under vacuum state.Institutional framework with products such as the food of Freeze Drying Technique processing, medicines is not damaged, and nutrition can not run off substantially, change, and without any the pollution of chemical preservative, after the sealing, can preserve at normal temperatures more than 1 year yet.Before edible, with recovering original state rapidly in this product immersion water, keep original composition and activity, its tissue characteristics approaches fresh state.Therefore, Freeze Drying Technique is a kind of method best in the present preservation technique.But because the freeze drying equipment consumes energy of using is more at present, process time is very long, and is feasible very high with the product price after this method processing, is unfavorable for extensive utilization.In order to reduce process time, reduce cost, the general employing with food, medicine be cut into small pieces shape or sheet, carry out cryodesiccated method again,, reduced drying time though this method can increase the surface area of distillation, but it has destroyed the profile of original product, shortage was attractive in appearance when packing was sold, and also was difficult to allow people debate the true and false of other product, also should not use for the whole this method of product of selling of needs.
The purpose of this invention is to provide a kind ofly can increase the earlier stage processing method that the drying sublimation surface area can not destroy the lyophilisation product of food, medicine overall profile shape again.
Its solution is: before carrying out freeze drying, employing cuts out several otch on the surface of food, medicine, gets out the method for several apertures, its kerf is a ribbon or for cross-like, and incision process can also can usefulness be sawed the knife saw mouth with lancinating mouth before freezing freezing after.When carrying out freeze drying, just can increase the surface area of product moisture content distillation like this, shorten the time of lyophilization, reduce energy resource consumption, reduce the cost of product, also keep the overall profile of product.
For further specifying the present invention, existing is example with the fresh-keeping of soft-shelled turtle, and specific implementation method of the present invention is described.
Soft-shelled turtle is a kind of edible aquatic products with very high nourishing and medical value, require to keep the fresh and alive of its meat tissue before the cooking, so transportation, storage, all support when selling to live or freezing mode fresh-keeping, these two kinds of methods are very high to the requirement of the environmental condition and the equipment of preservation, cause the price of soft-shelled turtle high.Fresh-keeping as if carrying out in the freeze drying mode of short period, will reduce the cost of soft-shelled turtle.The method of present embodiment is: behind soft-shelled turtle cleaning, clean it up, on the soft-shelled turtle outside of belly, cut out several long mouthful with cutter, the outside of belly is put into freeze drying equipment up, several otch on the soft-shelled turtle outside of belly will be accelerated the speed of moisture content distillation in the soft-shelled turtle body like this, shortened the cryodesiccated time greatly, just can preserve at normal temperatures after the sealing, the fresh-keeping cost of soft-shelled turtle will reduce significantly.And its otch also can reduce and adds the time that water restores before edible, also is beneficial to entering of flavouring in the cooking process.
Advantage of the present invention is: the method is used easy, easy row, is reaching the same of fresh-keeping purpose The time, do not destroy the overall profile of food, medicine, packing, transportation, storage, sell all very square Just, be beneficial to the true and false that people debate other product.
Claims (3)
1, a kind of earlier stage processing method of freeze-dried food and medicine, it is characterized in that: before food, medicine are carried out freeze drying, employing cuts out several otch on the surface of this food, medicine, gets out the method for several apertures, increases the surface area of moisture content distillation, reduces the cryodesiccated time.
2, the earlier stage processing method of a kind of freeze-dried food and medicine according to claim 1 is characterized in that: the kerf on food, medicine surface is a ribbon.
3, the earlier stage processing method of a kind of freeze-dried food and medicine according to claim 1 is characterized in that: the kerf on food, medicine surface is a cross-like.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN95104887A CN1047509C (en) | 1995-05-11 | 1995-05-11 | Early-stage processing method of freeze-dried food and medicine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN95104887A CN1047509C (en) | 1995-05-11 | 1995-05-11 | Early-stage processing method of freeze-dried food and medicine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1119909A true CN1119909A (en) | 1996-04-10 |
| CN1047509C CN1047509C (en) | 1999-12-22 |
Family
ID=5075285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN95104887A Expired - Fee Related CN1047509C (en) | 1995-05-11 | 1995-05-11 | Early-stage processing method of freeze-dried food and medicine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1047509C (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102318875A (en) * | 2011-07-08 | 2012-01-18 | 云南金九地生物科技有限公司 | The processing method of dendrobium candidum gold bar |
| CN103070454A (en) * | 2013-01-17 | 2013-05-01 | 上海海洋大学 | Method for improving food freeze drying efficiency |
| CN103190654A (en) * | 2012-01-04 | 2013-07-10 | 曹烟仁 | Processing method of freeze-dried instant abalone with shell |
| CN104542912A (en) * | 2014-12-30 | 2015-04-29 | 昆明积萃生物科技有限公司 | Vacuum drying and freezing processing method of dendrobium officinale kimura migo |
| CN104814112A (en) * | 2015-05-29 | 2015-08-05 | 广西金海环岛渔业有限公司 | Method for freezing red fish |
-
1995
- 1995-05-11 CN CN95104887A patent/CN1047509C/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102318875A (en) * | 2011-07-08 | 2012-01-18 | 云南金九地生物科技有限公司 | The processing method of dendrobium candidum gold bar |
| CN102318875B (en) * | 2011-07-08 | 2013-04-17 | 云南金九地生物科技有限公司 | Processing method of dendrobium officinale gold bar |
| CN103190654A (en) * | 2012-01-04 | 2013-07-10 | 曹烟仁 | Processing method of freeze-dried instant abalone with shell |
| CN103070454A (en) * | 2013-01-17 | 2013-05-01 | 上海海洋大学 | Method for improving food freeze drying efficiency |
| CN104542912A (en) * | 2014-12-30 | 2015-04-29 | 昆明积萃生物科技有限公司 | Vacuum drying and freezing processing method of dendrobium officinale kimura migo |
| CN104814112A (en) * | 2015-05-29 | 2015-08-05 | 广西金海环岛渔业有限公司 | Method for freezing red fish |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1047509C (en) | 1999-12-22 |
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