CN1047509C - Early-stage processing method of freeze-dried food and medicine - Google Patents
Early-stage processing method of freeze-dried food and medicine Download PDFInfo
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- CN1047509C CN1047509C CN95104887A CN95104887A CN1047509C CN 1047509 C CN1047509 C CN 1047509C CN 95104887 A CN95104887 A CN 95104887A CN 95104887 A CN95104887 A CN 95104887A CN 1047509 C CN1047509 C CN 1047509C
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- Freezing, Cooling And Drying Of Foods (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The present invention relates to a processing method for drying foods and medicines by a freeze-drying technology, which belongs to the technical field of a preservation technology. The implementation method comprises the steps that before foods and medicines are freeze-dried, a method for cutting a plurality of slots and drilling a plurality of small holes on the surfaces of the foods and the medicines is adopted so as to increase the surface area for moisture sublimation and reduce the time for freeze-drying. The slots of the surfaces of foods and medicines present a strip shape or a crossed shape. The processing method has the advantages of simplicity, easy operation and convenience for packaging, transportation, storage and selling; energy consumption can be reduced, product cost is reduced, and the integral outline of foods and medicines can not be destroyed. The processing method is favorable for people to distinguish whether a product is true or not.
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, lack attractive in appearancely when packing is sold, for some valuable food, medicine, be unfavorable for very much the consumer to intuitively the distinguishing of its quality, thereby can have influence on the commercial distribution of this series products.
The purpose of this invention is to provide a kind of drying sublimation surface area that can increase and not destroy the earlier stage processing method that food, medicine overall profile shape are beneficial to shorten the lyophilisation product of freeze-drying process time and trade promotion 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 concrete implementing 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, to satisfy the requirement that people are easy to distinguish authenticity of products in the sale, 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, shortens freeze dried and antistaled adding reaching In the time of worker's purpose, do not destroy the overall profile of food, medicine, packing, transportation, storage, sale are all Easily, be beneficial to people and distinguish that the true and false of product is to promote commercial distribution.
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 CN1119909A (en) | 1996-04-10 |
| CN1047509C true 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) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
1995
- 1995-05-11 CN CN95104887A patent/CN1047509C/en not_active Expired - Fee Related
Non-Patent Citations (1)
| Title |
|---|
| 《食品工艺学》(上册) 1984.5.1 无锡轻工业学院，天津工业学院合编，轻工业出版社出版 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1119909A (en) | 1996-04-10 |
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