CN103564035A - Carrot quick-freezing process with variable quick-freezing speed - Google Patents
Carrot quick-freezing process with variable quick-freezing speed Download PDFInfo
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- CN103564035A CN103564035A CN201210279962.6A CN201210279962A CN103564035A CN 103564035 A CN103564035 A CN 103564035A CN 201210279962 A CN201210279962 A CN 201210279962A CN 103564035 A CN103564035 A CN 103564035A
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Abstract
The invention discloses a carrot quick-freezing process with a variable quick-freezing speed. The carrot quick-freezing process is characterized in that different quick-freezing speeds are adopted according to different quick-freezing phases so that an ice crystal is the smallest in the quick-freezing process, carrot cells are not damaged and the energy consumption in the quick-freezing process is the minimum. Thawed carrots are basically the same as fresh carrots. The process is simple in method and low in cost and is a novel process for quickly freezing vegetables.
Description
One, technical field
The present invention relates to the quick-freeze craft of a kind of vegetables, the speed change that more particularly relates to carrot is frozen the quick-freeze craft of speed.
Two, background technology
Quick-frozen fresh vegetables are important development directions that China vegetables are adopted rear deep processing, are guaranteeing will to play important wanting aspect the security provisions of vegetables.The output of China quick-frozen fresh vegetables has reached more than 1,000 ten thousand tons at present.But vegetables, in quick-frozen process, owing to having formed larger ice crystal, are easily caused vegetables cytoclasis, occur freezing taste, affect the quality of quick-frozen fresh vegetables.For addressing this problem, patent 95191195.7 has been taked to add relevant liquid component in vegetables and has been carried out Cell protection; Patent 201010557158.0 adopts different Sun Shi to float soup degree different vegetable is floated to soup to come Cell protection not to be damaged by frost.These two kinds of methods are all to realize quick-frozen by changing the apparent freezing point of vegetables, and energy consumption is large, and tool is wayward.
Three, summary of the invention
The present invention is from vegetables internal moisture freezing process, a kind of quick-freezing carrot technique that can realize different quick-frozen speed by quick-frozen process is provided, under the condition that does not change carrot internal component, realizes, realize inner little ice crystal, do not destroy cell, and save energy consumption.
Technical scheme of the present invention is:
(1) according to routine, select, cleaning, cutting, float the carrot that the technological preparations such as soup, cooling, dehydration need quick-frozen;
(2) the precooling stage of carrot, at this one-phase, cold wind temperature is-8～-10 ℃, and wind speed is 4～6m/s, and the central temperature of carrot is pre-chilled to 0～-1 ℃;
(3) crystallization stage of carrot, at this one-phase, cold wind temperature is-25～-28 ℃, wind speed is 8～10m/s, and the central temperature of carrot is cooled to-5～-8 ℃;
(4) temperature-fall period of carrot, at this one-phase, cold wind temperature is-35～-38 ℃, wind speed is 4～6m/s, and the central temperature of carrot is cooled to-18 ℃;
(5) cryopreservation method routinely, is stored in the freezer of-18 ℃ by the carrot after cooling.
The invention of this reality has following beneficial effect: speed change is frozen the quick-freezing carrot technique of speed by changing the quick-frozen speed of quick-frozen process different phase, can reduce the size of the ice crystal in vegetables quick-frozen process, thereby reduce vegetables cell by the possibility of bursting by freezing.Considered vegetables quick-frozen different phase heat-transfer character simultaneously, made energy in quick-frozen process obtain best application, made energy consumption minimum in quick-frozen process.
Four, the specific embodiment
Below in conjunction with embodiment, the present invention is described further:
The main quick-frozen fresh vegetables of quick-freezing carrot technique that speed change is frozen speed are carrots, also can be generalized to other vegetables.
Embodiment:
(1) according to routine, select, cleaning, cutting, float the carrot that the technological preparations such as soup, cooling, dehydration need quick-frozen;
(2) the precooling stage of carrot, at this one-phase, cold wind temperature is-8～-10 ℃, and wind speed is 4～6m/s, and the central temperature of carrot is pre-chilled to 0～-1 ℃;
(3) crystallization stage of carrot, at this one-phase, cold wind temperature is-25～-28 ℃, wind speed is 8～10m/s, and the central temperature of carrot is cooled to-5～-8 ℃;
(4) temperature-fall period of carrot, at this one-phase, cold wind temperature is-35～-38 ℃, wind speed is 4～6m/s, and the central temperature of carrot is cooled to-18 ℃;
(5) cryopreservation method routinely, is stored in the freezer of-18 ℃ by the carrot after cooling.
Claims (1)
1. speed change is frozen a quick-freezing carrot technique for speed, it is characterized in that, its processing method is as follows:
1) according to routine, select, cleaning, cutting, float the carrot that the technological preparations such as soup, cooling, dehydration need quick-frozen;
2) the precooling stage of carrot, at this one-phase, cold wind temperature is-8～-10 ℃, and wind speed is 4～6m/s, and the central temperature of carrot is pre-chilled to 0～-1 ℃;
3) crystallization stage of carrot, at this one-phase, cold wind temperature is-25～-28 ℃, wind speed is 8～10m/s, and the central temperature of carrot is cooled to-5～-8 ℃;
4) temperature-fall period of carrot, at this one-phase, cold wind temperature is-35～-38 ℃, wind speed is 4～6m/s, and the central temperature of carrot is cooled to-18 ℃;
5) cryopreservation method routinely, is stored in the freezer of-18 ℃ by the carrot after cooling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210279962.6A CN103564035A (en) | 2012-08-08 | 2012-08-08 | Carrot quick-freezing process with variable quick-freezing speed |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210279962.6A CN103564035A (en) | 2012-08-08 | 2012-08-08 | Carrot quick-freezing process with variable quick-freezing speed |
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| CN103564035A true CN103564035A (en) | 2014-02-12 |
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| CN201210279962.6A Pending CN103564035A (en) | 2012-08-08 | 2012-08-08 | Carrot quick-freezing process with variable quick-freezing speed |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106333241A (en) * | 2016-08-31 | 2017-01-18 | 三明市斧头山食品有限公司 | Production process of cream papaya crisps |
| CN108029747A (en) * | 2017-12-12 | 2018-05-15 | 阜阳香香宇食品有限公司 | A kind of processing technology of quick-frozen carrot |
| CN109567034A (en) * | 2018-11-20 | 2019-04-05 | 安徽强旺调味食品有限公司 | A kind of processing method of quick-frozen prefabricated meat products |
| CN109730140A (en) * | 2019-02-21 | 2019-05-10 | 长阳恒兴蔬菜专业合作社 | A kind of preservation method of white radishes |
| CN112293471A (en) * | 2020-11-16 | 2021-02-02 | 泰克尼康科技有限公司 | Quick-freezing meat-sleeping method based on temperature and flow velocity curve |
| CN112293472A (en) * | 2020-11-16 | 2021-02-02 | 泰克尼康科技有限公司 | Low-temperature quick-freezing sleeping method for seafood |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106333241A (en) * | 2016-08-31 | 2017-01-18 | 三明市斧头山食品有限公司 | Production process of cream papaya crisps |
| CN108029747A (en) * | 2017-12-12 | 2018-05-15 | 阜阳香香宇食品有限公司 | A kind of processing technology of quick-frozen carrot |
| CN109567034A (en) * | 2018-11-20 | 2019-04-05 | 安徽强旺调味食品有限公司 | A kind of processing method of quick-frozen prefabricated meat products |
| CN109730140A (en) * | 2019-02-21 | 2019-05-10 | 长阳恒兴蔬菜专业合作社 | A kind of preservation method of white radishes |
| CN112293471A (en) * | 2020-11-16 | 2021-02-02 | 泰克尼康科技有限公司 | Quick-freezing meat-sleeping method based on temperature and flow velocity curve |
| CN112293472A (en) * | 2020-11-16 | 2021-02-02 | 泰克尼康科技有限公司 | Low-temperature quick-freezing sleeping method for seafood |
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Application publication date: 20140212 |