CN105029526A - Method for crisping gracilaria - Google Patents
Method for crisping gracilaria Download PDFInfo
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- CN105029526A CN105029526A CN201510530013.4A CN201510530013A CN105029526A CN 105029526 A CN105029526 A CN 105029526A CN 201510530013 A CN201510530013 A CN 201510530013A CN 105029526 A CN105029526 A CN 105029526A
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Abstract
The invention discloses a method for crisping gracilaria. The method comprises the following steps: rinsing and cleaning the gracilaria, mixing the cleaned gracilaria with water in a material-liquid ratio of 4% and adding cellulase to react with the gracilaria to remove cellulose in the cell wall of the gracilaria, wherein the weight ratio of cellulase to the gracilaria is 1 to 125; reacting at 50 DEG C for 50 minutes, then pasteurizing the gracilaria by heating the gracilaria at 85-90 DEG C for 10 minutes, reducing the moisture content of the gracilaria to 60-70% through centrifugal dewatering after pasteurization and determining the crispness of the gracilaria through sensory evaluation. The method is simple in processing technology. Compared with industrial boiling water heating methods for crisping the gracilaria, the method has the beneficial effects that the heating energy consumption can be reduced by 43.3%; the cost of industrial processing can be reduced; the crispness effects of the gracilaria processed by an enzymic method are better than the crispness effects of the gracilaria processed by the industrial boiling water methods; the method has the advantages of low investment and quick effects in actual production and is suitable to be popularized and applied.
Description
Technical field
The present invention relates to the technical field of food processing, particularly relate to a kind of method of fragrant plant mentioned in ancient texts embrittlement.
Background technology
Fragrant plant mentioned in ancient texts (Gracilaria) is perennial large-scale red algae, belongs to Rhodophyta, is one of China Guangdong, Zhejiang, the coastal algal culture kind in Taiwan, mainly as fishery cultivating feed and production foodstuff glue raw material.Be rich in agar-agar, cellulose in fragrant plant mentioned in ancient texts, due to factors such as the frond of fragrant plant mentioned in ancient texts are coarse, thermo-labile, mouthfeel is poor, therefore in production fragrant plant mentioned in ancient texts product process, need to carry out processing process to fragrant plant mentioned in ancient texts raw material.
Fragrant plant mentioned in ancient texts is mainly for the preparation of agar-agar, at present, the pre-treatment of industrial production agar-agar adopts the method for high-temp extracting agar-agar, and high-temperature process fragrant plant mentioned in ancient texts not only can make the easy stripping of colloidal substance, frond deliquescing also can be made to become rotten, directly cause the quality of food and the decline of exterior quality.And heat energy consumption becomes a problem of factory, ensure rate of gum output and reduce energy consumption, reducing costs the focus becoming factory.
In view of this, the present inventor studies and devises a kind of method of fragrant plant mentioned in ancient texts embrittlement, and this case produces thus.
Summary of the invention
The object of the present invention is to provide a kind of method of fragrant plant mentioned in ancient texts embrittlement, utilize enzymatic treatment to solve the high energy consumption problem of fragrant plant mentioned in ancient texts high-temperature embrittlement, effectively reduce energy consumption when ensureing fragrant plant mentioned in ancient texts brittleness, greatly reduce production cost.
For achieving the above object, the present invention adopts following technical scheme:
A method for fragrant plant mentioned in ancient texts embrittlement, comprises the following steps:
Step one, fragrant plant mentioned in ancient texts removal of impurities: fragrant plant mentioned in ancient texts is cleaned removal of impurities, dry, add water and make fragrant plant mentioned in ancient texts fully swelling, be placed in the water-bath of 50 DEG C;
Step 2, enzymolysis processing: add cellulase, enzyme digestion reaction 50min, constantly stirs during enzyme digestion reaction;
Step 3, pasteurize: heat fragrant plant mentioned in ancient texts after enzymolysis, by microorganism killing and by enzymolysis liquid deactivation; Carry out pasteurize be not only to fragrant plant mentioned in ancient texts play bactericidal action can also by have enzyme live the deactivation of enzyme liquid, prevent enzyme continuation effect and affect product quality;
Step 4, centrifugal dehydration: the fragrant plant mentioned in ancient texts after pasteurize is utilized centrifuge dewatering, make fragrant plant mentioned in ancient texts water content be reduced to 60-80%, i.e. obtained brittle fragrant plant mentioned in ancient texts;
Step 5, instant fragrant plant mentioned in ancient texts instant food: the brittle fragrant plant mentioned in ancient texts of preparation, by carrying out pasteurize after vacuum packaging, after being cooled to room temperature, obtains instant fragrant plant mentioned in ancient texts instant food.
As the preferred embodiment of embodiment, in described step one, after described fragrant plant mentioned in ancient texts cleaning post-drying, fragrant plant mentioned in ancient texts and water weight ratio are 1:25.
As the preferred embodiment of embodiment, in described step 2, the weight ratio of described cellulase enzyme concentration and fragrant plant mentioned in ancient texts is 1:125, and enzyme reaction keeps 50-55 DEG C of reaction, natural pH.
As the preferred embodiment of embodiment, in described step 3, described pasteurizing temperature is 85-90 DEG C, and the heat time is 10min.
As the preferred embodiment of embodiment, in described step 4, the condition of described centrifugal dehydration is: centrifugal speed is 3000-4000rpm, and centrifugation time is 3-5min.
As the preferred embodiment of embodiment, in described step 5, described the every Packing Unit 60-100g of instant fragrant plant mentioned in ancient texts instant food, vacuum packaging.
The present invention, relative to prior art, has following beneficial effect:
1. the present invention utilizes cellulase degradation fragrant plant mentioned in ancient texts to efficiently solve fragrant plant mentioned in ancient texts brittleness problems, and reduces energy resource consumption, can reduce heating energy consumption 43.3%, and this also indirectly reduces production capacity and pollutes, and has responded the call that national low energy reduces discharging.
2. the present invention uses cellulase process fragrant plant mentioned in ancient texts can not produce any pollutant component, and more do not pollute the environment, this method is small investment instant effect in actual production, is applicable to applying.
3. the present invention adopts centrifugal mode to dewater, and effectively can remove the moisture in fragrant plant mentioned in ancient texts, reduces the water activity in fragrant plant mentioned in ancient texts, makes product be convenient to preservation, reduce the cost of storage.
Detailed description of the invention
Below in conjunction with subordinate list and detailed description of the invention so that the invention will be further described.
Embodiment 1
Cleaning and dipping removal of impurities being carried out to fragrant plant mentioned in ancient texts, cleaning to there is no silt, water clear.Fragrant plant mentioned in ancient texts dry for standby will be cleaned.Take the fragrant plant mentioned in ancient texts that 500g is dried, the water adding its dry weight 25 times stirs and leaves standstill.Add 4g cellulase powder again, water-bath 50 DEG C of stirring reaction 50min.After enzyme digestion reaction, improve bath temperature be 85-90 DEG C and carry out pasteurize 10min.Fragrant plant mentioned in ancient texts after heating is pulled out and carries out centrifugal dehydration, utilize centrifuge, the centrifugal 5min of 4000rpm.Centrifugal rear fragrant plant mentioned in ancient texts moisture is 68.8%, obtained brittle fragrant plant mentioned in ancient texts.
Embodiment 2
Cleaning and dipping removal of impurities being carried out to fragrant plant mentioned in ancient texts, cleaning to there is no silt, water clear.Fragrant plant mentioned in ancient texts dry for standby will be cleaned.Take 500g and dry broken fragrant plant mentioned in ancient texts, the water adding its dry weight 30 times stirs and leaves standstill.Add 5g cellulase powder again, water-bath 50 DEG C of stirring reaction 60min.After enzyme digestion reaction, improve bath temperature be 85-90 DEG C and carry out pasteurize 10min.Fragrant plant mentioned in ancient texts after heating is pulled out and carries out centrifugal dehydration, utilize centrifuge, the centrifugal 5min of 4000rpm.Centrifugal rear fragrant plant mentioned in ancient texts moisture is 65.3%, obtained brittle fragrant plant mentioned in ancient texts.
Embodiment 3
Cleaning and dipping removal of impurities being carried out to fragrant plant mentioned in ancient texts, cleaning to there is no silt, water clear.Fragrant plant mentioned in ancient texts dry for standby will be cleaned.Take 500g and dry broken fragrant plant mentioned in ancient texts, the water adding its dry weight 20 times stirs and leaves standstill.Add 3g cellulase powder again, water-bath 50 DEG C of stirring reaction 30min.After enzyme digestion reaction, improve bath temperature be 85-90 DEG C and carry out pasteurize 10min.Fragrant plant mentioned in ancient texts after heating is pulled out and carries out centrifugal dehydration, utilize centrifuge, the centrifugal 5min of 4000rpm.Centrifugal rear fragrant plant mentioned in ancient texts moisture is 75.2%, obtained brittle fragrant plant mentioned in ancient texts.
Embodiment 4
Cleaning and dipping removal of impurities being carried out to fragrant plant mentioned in ancient texts, cleaning to there is no silt, water clear.Fragrant plant mentioned in ancient texts dry for standby will be cleaned.Take 500g and dry broken fragrant plant mentioned in ancient texts, the water adding its dry weight 25 times stirs and leaves standstill.Bath temperature is 100 DEG C and carries out heating 60min.Fragrant plant mentioned in ancient texts after heating is pulled out and carries out centrifugal dehydration, utilize centrifuge, the centrifugal 5min of 4000rpm.Centrifugal rear fragrant plant mentioned in ancient texts moisture is 64.2%, obtained brittle fragrant plant mentioned in ancient texts.
Sensory evaluation:
Sensory evaluation group through 10 people's compositions evaluates the brittleness of product, color and luster, mouthfeel flavour, and result shows that the effect of the brittle fragrant plant mentioned in ancient texts of the present invention is better than industry law effect, the results are shown in Table 1.
The sensory evaluation of the brittle effect of table 1 fragrant plant mentioned in ancient texts
Because current factory process fragrant plant mentioned in ancient texts all utilizes the brittle fragrant plant mentioned in ancient texts of the method for high-temp extracting, high temperature not only can make the colloidal substance stripping in fragrant plant mentioned in ancient texts, a large amount of heat energy also can be used to process, cause higher processing cost.At present also not for ways of addressing this issue, the present invention is by biological enzyme digestion method to fragrant plant mentioned in ancient texts process, and the consumption not only reducing the energy reduces industrial processes cost, and treatment effect is more obvious than industrial hot dipping.Enzymatic treatment can not to environment, and enzymatic treatment flow process is simple, and low for equipment requirements, energy consumption is low, is easy to realize suitability for industrialized production.
Above are only specific embodiments of the invention, but design concept of the present invention is not limited thereto, allly utilizes this design to carry out substantial change to the present invention, all belong to the behavior of invading scope.
Claims (6)
1. a method for fragrant plant mentioned in ancient texts embrittlement, is characterized in that: comprise the following steps:
Step one, fragrant plant mentioned in ancient texts removal of impurities: fragrant plant mentioned in ancient texts is cleaned removal of impurities, dry, add water and make fragrant plant mentioned in ancient texts fully swelling, be placed in the water-bath of 50 DEG C;
Step 2, enzymolysis processing: add cellulase, enzyme digestion reaction 50min, constantly stirs during enzyme digestion reaction;
Step 3, pasteurize: heat fragrant plant mentioned in ancient texts after enzymolysis, by microorganism killing and by enzymolysis liquid deactivation;
Step 4, centrifugal dehydration: the fragrant plant mentioned in ancient texts after pasteurize is utilized centrifuge dewatering, make fragrant plant mentioned in ancient texts water content be reduced to 60-80%, i.e. obtained brittle fragrant plant mentioned in ancient texts;
Step 5, instant fragrant plant mentioned in ancient texts instant food: the brittle fragrant plant mentioned in ancient texts of preparation, by carrying out pasteurize after vacuum packaging, after being cooled to room temperature, obtains instant fragrant plant mentioned in ancient texts instant food.
2. the method for a kind of fragrant plant mentioned in ancient texts embrittlement as claimed in claim 1, is characterized in that: in described step one, and after described fragrant plant mentioned in ancient texts cleaning post-drying, fragrant plant mentioned in ancient texts and water weight ratio are 1:25.
3. the method for a kind of fragrant plant mentioned in ancient texts embrittlement as claimed in claim 1, is characterized in that: in described step 2, and the weight ratio of described cellulase enzyme concentration and fragrant plant mentioned in ancient texts is 1:125, and enzyme reaction keeps 50-55 DEG C of reaction, natural pH.
4. the method for a kind of fragrant plant mentioned in ancient texts embrittlement as claimed in claim 1, is characterized in that: in described step 3, and described pasteurizing temperature is 85-90 DEG C, and the heat time is 10min.
5. the method for a kind of fragrant plant mentioned in ancient texts embrittlement as claimed in claim 1, it is characterized in that: in described step 4, the condition of described centrifugal dehydration is: centrifugal speed is 3000-4000rpm, and centrifugation time is 3-5min.
6. the method for a kind of fragrant plant mentioned in ancient texts embrittlement as claimed in claim 1, is characterized in that: in described step 5, described the every Packing Unit 60-100g of instant fragrant plant mentioned in ancient texts instant food, vacuum packaging.
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| CN201510530013.4A CN105029526A (en) | 2015-08-26 | 2015-08-26 | Method for crisping gracilaria |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107594434A (en) * | 2017-10-27 | 2018-01-19 | 福建安兴食品有限公司 | A kind of instant broccoli and preparation method thereof |
| CN113647584A (en) * | 2021-07-05 | 2021-11-16 | 集美大学 | Gracilaria powder and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101353384A (en) * | 2008-05-27 | 2009-01-28 | 广东海洋大学 | Method for processing gracilaria |
| CN101946922A (en) * | 2010-09-30 | 2011-01-19 | 福建霞浦县乐口福生态食品有限公司 | Thin instant kelp slice and production technology thereof |
| CN102150735A (en) * | 2011-05-17 | 2011-08-17 | 福建省水产研究所 | Method for comprehensively utilizing and processing gracilaria |
| CN104381891A (en) * | 2014-11-20 | 2015-03-04 | 浙江良泰水产有限公司 | Food processing method of instant asparagus |
-
2015
- 2015-08-26 CN CN201510530013.4A patent/CN105029526A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101353384A (en) * | 2008-05-27 | 2009-01-28 | 广东海洋大学 | Method for processing gracilaria |
| CN101946922A (en) * | 2010-09-30 | 2011-01-19 | 福建霞浦县乐口福生态食品有限公司 | Thin instant kelp slice and production technology thereof |
| CN102150735A (en) * | 2011-05-17 | 2011-08-17 | 福建省水产研究所 | Method for comprehensively utilizing and processing gracilaria |
| CN104381891A (en) * | 2014-11-20 | 2015-03-04 | 浙江良泰水产有限公司 | Food processing method of instant asparagus |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107594434A (en) * | 2017-10-27 | 2018-01-19 | 福建安兴食品有限公司 | A kind of instant broccoli and preparation method thereof |
| CN113647584A (en) * | 2021-07-05 | 2021-11-16 | 集美大学 | Gracilaria powder and preparation method thereof |
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