CN102342318A - Vacuum freeze drying process for fruits and vegetables - Google Patents
Vacuum freeze drying process for fruits and vegetables Download PDFInfo
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- CN102342318A CN102342318A CN2011102624148A CN201110262414A CN102342318A CN 102342318 A CN102342318 A CN 102342318A CN 2011102624148 A CN2011102624148 A CN 2011102624148A CN 201110262414 A CN201110262414 A CN 201110262414A CN 102342318 A CN102342318 A CN 102342318A
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- vegetables
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- drying process
- vacuum
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Abstract
The invention discloses a vacuum freeze drying process for fruits and vegetables. The process comprises the following steps of: selecting high-quality fruits and vegetables and cleaning; soaking in saline water and rinsing with clear water; putting the fruits and vegetables into boiling water or normal-pressure steam for blanching; quickly putting into low-temperature water for cooling, and taking out for draining; feeding pretreated and tray-filled fruits and vegetables into a cooling device for freezing and storing for later use to complete pre-freezing of fruits and vegetables; feeding the frozen fruits and vegetables into a drying cabin, heating in vacuum, and performing a sublimation drying process and a desorption drying process to complete freezing of the fruits and vegetables; and packaging. By adopting the vacuum freeze drying process for fruits and vegetables provided by the invention, the energy consumption of equipment can be lowered, and high-quality frozen products can be produced.
Description
Technical field
The present invention relates to a kind of fruits and vegetables vacuum freeze-drying technique.
Background technology
Vacuum Freezing & Drying Technology has been given the article of supporting by the arm with respect to the unrivaled performance of other products; Make freeze-drying prods favored by increasing people; But because the relatively costly market price of causing of processing cost is higher; Making that freeze-drying prods is difficult to generally bought, is very crucial so reduce the freeze-drying prods processing cost.
Summary of the invention
The object of the present invention is to provide a kind of fruits and vegetables vacuum freeze-drying technique.
The present invention for realizing the technical scheme that above-mentioned purpose adopted is: a kind of fruits and vegetables vacuum freeze-drying technique comprises:
Select good fruits and vegetables and cleaning;
In salt solution, soak back clear water rinsing;
Be placed on fruits and vegetables in the boiling water or blanching in the atmospheric steam;
Put into water at low temperature after blanching finishes rapidly and cool off, taking-up drains then;
Deliver to through the fruits and vegetables after the pre-treatment sabot and to be in store for after cooling device freezes, accomplish the pre-freeze of fruits and vegetables;
To freeze good fruits and vegetables and send into dryness storehouse, heating is in a vacuum carried out the lyophilization process and is resolved dry run, accomplishes the freeze-drying of fruits and vegetables;
Packing.
Described pre-freeze temperature is lower than fruits and vegetables eutectic temperature 6-10 degree.
Fruits and vegetables vacuum freeze-drying technique provided by the present invention not only can reduce the energy consumption of equipment, and can produce the freeze-drying prods of high-quality.
The specific embodiment
A kind of fruits and vegetables vacuum freeze-drying technique comprises: select good fruits and vegetables and cleaning; In salt solution, soak back clear water rinsing; Be placed on fruits and vegetables in the boiling water or blanching in the atmospheric steam; Put into water at low temperature after blanching finishes rapidly and cool off, taking-up drains then; Deliver to through the fruits and vegetables after the pre-treatment sabot and to be in store for after cooling device freezes, accomplish the pre-freeze of fruits and vegetables, described pre-freeze temperature is lower than fruits and vegetables eutectic temperature 6-10 degree; To freeze good fruits and vegetables and send into dryness storehouse, heating is in a vacuum carried out the lyophilization process and is resolved dry run, accomplishes the freeze-drying of fruits and vegetables; Packing.
Claims (2)
1. fruits and vegetables vacuum freeze-drying technique is characterized in that: comprising:
(1) selects good fruits and vegetables and cleaning;
(2) in salt solution, soak back clear water rinsing;
(3) be placed on fruits and vegetables in the boiling water or blanching in the atmospheric steam;
(4) put into water at low temperature after blanching finishes rapidly and cool off, taking-up drains then;
(5) deliver to through the fruits and vegetables after the pre-treatment sabot and be in store for after cooling device freezes, accomplish the pre-freeze of fruits and vegetables;
(6) will freeze good fruits and vegetables and send into dryness storehouse, heating is in a vacuum carried out the lyophilization process and is resolved dry run, accomplishes the freeze-drying of fruits and vegetables;
(7) packing.
2. fruits and vegetables vacuum freeze-drying technique as claimed in claim 1 is characterized in that: described pre-freeze temperature is lower than fruits and vegetables eutectic temperature 6-10 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102624148A CN102342318A (en) | 2011-09-07 | 2011-09-07 | Vacuum freeze drying process for fruits and vegetables |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102624148A CN102342318A (en) | 2011-09-07 | 2011-09-07 | Vacuum freeze drying process for fruits and vegetables |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102342318A true CN102342318A (en) | 2012-02-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011102624148A Pending CN102342318A (en) | 2011-09-07 | 2011-09-07 | Vacuum freeze drying process for fruits and vegetables |
Country Status (1)
| Country | Link |
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| CN (1) | CN102342318A (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103518827A (en) * | 2013-09-18 | 2014-01-22 | 丹棱县麻妹子农业科技开发有限责任公司 | Freshness-retaining rattan pepper production technology |
| CN103609663A (en) * | 2013-12-10 | 2014-03-05 | 中国农业科学院农产品加工研究所 | Method for drying fruits and vegetables by using vacuum-freezing jointed differential-pressure puffing technique |
| CN103766784A (en) * | 2012-10-22 | 2014-05-07 | 李康伟 | Production method for freeze-dried composite vegetable |
| CN104171999A (en) * | 2014-07-17 | 2014-12-03 | 浙江金手宝生物科技有限公司 | Method for preparing sweet and crisp dried finger citron |
| CN104351323A (en) * | 2014-11-19 | 2015-02-18 | 苏州大福外贸食品有限公司 | Refrigerating and preserving method for wax gourds |
| CN105166026A (en) * | 2015-10-10 | 2015-12-23 | 江南大学 | Method for improving fruit and vegetable efficiency and quality through treatment of combining carbon dioxide and ultrasonic waves |
| DE102015210890A1 (en) | 2014-10-02 | 2016-04-07 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Dry fruit and / or vegetable product and method of production |
| CN104381994B (en) * | 2014-11-14 | 2016-06-01 | 王丽 | The preparation method of a kind of instant Auricularia |
| CN105758127A (en) * | 2016-03-23 | 2016-07-13 | 南京农业大学 | Vacuum freeze-drying process applicable to clanis bilineata tsingtauica larvae |
| CN106901123A (en) * | 2017-01-18 | 2017-06-30 | 郑州新农村蔬菜食品有限公司 | A kind of green gram spermoderm effervescent tablet and preparation method thereof |
| CN107736545A (en) * | 2017-10-27 | 2018-02-27 | 云南师宗凤凰谷食品有限责任公司 | A kind of vacuum freeze-drying method of food and medicine rhizome |
| CN111998617A (en) * | 2020-08-07 | 2020-11-27 | 湖南衡岳中药饮片有限公司 | Bletilla striata freeze drying method |
| CN114791206A (en) * | 2021-01-25 | 2022-07-26 | 中华全国供销合作总社南京野生植物综合利用研究所 | Energy-saving fruit and vegetable freeze-drying process taking carbon dioxide as refrigerant |
-
2011
- 2011-09-07 CN CN2011102624148A patent/CN102342318A/en active Pending
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103766784A (en) * | 2012-10-22 | 2014-05-07 | 李康伟 | Production method for freeze-dried composite vegetable |
| CN103518827A (en) * | 2013-09-18 | 2014-01-22 | 丹棱县麻妹子农业科技开发有限责任公司 | Freshness-retaining rattan pepper production technology |
| CN103609663A (en) * | 2013-12-10 | 2014-03-05 | 中国农业科学院农产品加工研究所 | Method for drying fruits and vegetables by using vacuum-freezing jointed differential-pressure puffing technique |
| CN103609663B (en) * | 2013-12-10 | 2015-08-05 | 中国农业科学院农产品加工研究所 | A kind of dry fruits and vegetables method of vacuum refrigeration associating pressure-difference and puffing technology |
| CN104171999A (en) * | 2014-07-17 | 2014-12-03 | 浙江金手宝生物科技有限公司 | Method for preparing sweet and crisp dried finger citron |
| WO2016202830A1 (en) | 2014-10-02 | 2016-12-22 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Dry product consisting of fruit and/or vegetables and a method for producing same |
| DE102015210890A1 (en) | 2014-10-02 | 2016-04-07 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Dry fruit and / or vegetable product and method of production |
| CN104381994B (en) * | 2014-11-14 | 2016-06-01 | 王丽 | The preparation method of a kind of instant Auricularia |
| CN104351323A (en) * | 2014-11-19 | 2015-02-18 | 苏州大福外贸食品有限公司 | Refrigerating and preserving method for wax gourds |
| CN105166026A (en) * | 2015-10-10 | 2015-12-23 | 江南大学 | Method for improving fruit and vegetable efficiency and quality through treatment of combining carbon dioxide and ultrasonic waves |
| CN105166026B (en) * | 2015-10-10 | 2018-12-18 | 江南大学 | A method of the quick-frozen efficiency of fruits and vegetables and quality are improved by carbon dioxide and ultrasonic combined processing |
| CN105758127A (en) * | 2016-03-23 | 2016-07-13 | 南京农业大学 | Vacuum freeze-drying process applicable to clanis bilineata tsingtauica larvae |
| CN106901123A (en) * | 2017-01-18 | 2017-06-30 | 郑州新农村蔬菜食品有限公司 | A kind of green gram spermoderm effervescent tablet and preparation method thereof |
| CN107736545A (en) * | 2017-10-27 | 2018-02-27 | 云南师宗凤凰谷食品有限责任公司 | A kind of vacuum freeze-drying method of food and medicine rhizome |
| CN111998617A (en) * | 2020-08-07 | 2020-11-27 | 湖南衡岳中药饮片有限公司 | Bletilla striata freeze drying method |
| CN114791206A (en) * | 2021-01-25 | 2022-07-26 | 中华全国供销合作总社南京野生植物综合利用研究所 | Energy-saving fruit and vegetable freeze-drying process taking carbon dioxide as refrigerant |
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| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120208 |