CN104642506A - Production method of dehydrated kumquats - Google Patents
Production method of dehydrated kumquats Download PDFInfo
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- CN104642506A CN104642506A CN201410292387.2A CN201410292387A CN104642506A CN 104642506 A CN104642506 A CN 104642506A CN 201410292387 A CN201410292387 A CN 201410292387A CN 104642506 A CN104642506 A CN 104642506A
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- cumquat
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Abstract
The invention discloses a production method of dehydrated kumquats, relating to the technical field of food processing. The production method comprises the following steps: A. carrying out hot air drying for the first time on the kumquats; B. carrying out microwave drying on the kumquats after hot air drying for the first time; C. contacting the kumquats subjected to microwave drying with penetrating fluid consisting of functional sugar and table salt for penetration treatment; and D. carrying out hot air drying for the second time on the kumquats subjected to penetration treatment, wherein the water content of the kumquats is reduced to 10-20% of the total weight of the kumquats, the water activity of the kumquats is 0.64-0.44 and the rehydration rate is 3.1-7.6. Compared with the prior art, the production method disclosed by the invention can be used for solving the existing problem that the loss of the kumquats is great in harvesting seasons.
Description
Technical field
The present invention relates to food processing technology field, especially a kind of production method for the cumquat that dewaters.
Background technology
Cumquat, have another name called golden mandarin orange, belong to Rutaceae, be famous fruit effect plant, the results of cumquat are in winter, people liked buying cumquat before the Spring Festival, spent this season, the sales volume of cumquat obviously declines, and unnecessary cumquat carries out pickling or making preserved fruit by usual people, but these uses are all limited, thus process and damage when causing a large amount of cumquats not obtain urgency.But cumquat fruit is sweet, skin is slightly pungent, containing the abundant composition such as vitamin C, cumquat glucoside, to safeguarding cardiovascular function, prevents the disease such as vascular sclerosis, hypertension from having certain effect; How fresh cumquat being carried out preservation, directly to be done the raw material of following process during fresh feed dull season, is food processing industry practitioner problem demanding prompt solution.
Summary of the invention
Problem solved by the invention is to provide a kind of production method of the cumquat that dewaters, to solve existing cumquat in the large problem of harvest season loss.
In order to solve the problem, the technical solution used in the present invention is: a kind of production method of the cumquat that dewaters, and it comprises the following steps:
A, by selected, clean cumquat carry out first time heated-air drying, temperature is 65 DEG C ~ 75 DEG C, time 2 h ~ 3.5 hour, makes described cumquat moisture be reduced to 65% ~ 70% of described cumquat total weight;
B, by complete first time heated-air drying described cumquat carry out microwave drying, microwave power intensity is 2 ~ 3W.g
-1, the time is 10 minutes ~ 15 minutes, makes described cumquat moisture be reduced to 30% ~ 40% of described cumquat total weight;
C, the described cumquat of microwave drying is contacted with the penetrating fluid be made up of functional sugar and salt carry out infiltration to process, temperature is 20 DEG C ~ 30 DEG C, and the time is 20 minutes ~ 30 minutes;
D, to complete infiltration process described cumquat carry out second time heated-air drying, temperature is 65 DEG C ~ 75 DEG C, time is 1 hour ~ 1.5 hours, the moisture of described cumquat is made to be reduced to 10% ~ 20% of described cumquat total weight, the water activity of described cumquat is 0.64 ~ 0.44, and rehydration ratio is 3.1 ~ 7.6.
Owing to have employed technique scheme, the present invention compared with prior art has following beneficial effect: 1, fresh cumquat is made dehydration cumquat, cumquat is made to obtain better preservation, transport, the raw material of following process is directly done, for cumquat grower provides a road of getting wealth when being also conducive to fresh feed dull season; 2, because the present invention is dry again by infiltration process, comparatively conventional hot blast shortens 50% drying time, improves the keeping quality of product, reduces production cost simultaneously.
Detailed description of the invention
Below in conjunction with example, the invention will be further described:
Embodiment 1:
The production method of dehydration cumquat, it comprises the following steps:
A, by selected, clean cumquat carry out first time heated-air drying, temperature is 65 DEG C, time 2 h, cumquat moisture is reduced to 65% ~ 70% of cumquat total weight, surveys;
B, by complete first time heated-air drying cumquat carry out microwave drying, microwave power intensity is 2 ~ 3W.g
-1, the time is 10 minutes, makes cumquat moisture be reduced to 30% ~ 40% of cumquat total weight;
C, the cumquat of microwave drying is contacted with the penetrating fluid be made up of functional sugar and salt carry out infiltration to process, temperature is 20 DEG C, and the time is 20 minutes;
D, to complete infiltration process cumquat carry out second time heated-air drying, temperature is 65 DEG C, and the time is 1 hour, makes the moisture of cumquat be reduced to 10% ~ 20% of cumquat total weight, the water activity of cumquat is 0.64 ~ 0.44, and rehydration ratio is 3.1 ~ 7.6.
Embodiment 2:
The production method of dehydration cumquat, it comprises the following steps:
A, by selected, clean cumquat carry out first time heated-air drying, temperature is 75 DEG C, 3.5 hours time, makes cumquat moisture be reduced to 65% ~ 70% of cumquat total weight;
B, by complete first time heated-air drying cumquat carry out microwave drying, microwave power intensity is 2 ~ 3W.g-1, and the time is 15 minutes, makes cumquat moisture be reduced to 30% ~ 40% of cumquat total weight;
C, the cumquat of microwave drying is contacted with the penetrating fluid be made up of functional sugar and salt carry out infiltration to process, temperature is 30 DEG C, and the time is 30 minutes;
D, to complete infiltration process cumquat carry out second time heated-air drying, temperature is 75 DEG C, and the time is 1.5 hours, makes the moisture of cumquat be reduced to 10% ~ 20% of cumquat total weight, the water activity of cumquat is 0.64 ~ 0.44, and rehydration ratio is 3.1 ~ 7.6.
Claims (1)
1. to dewater the production method of cumquat, it is characterized in that comprising the following steps:
A, by selected, clean cumquat carry out first time heated-air drying, temperature is 65 DEG C ~ 75 DEG C, time 2 h ~ 3.5 hour, makes described cumquat moisture be reduced to 65% ~ 70% of described cumquat total weight;
B, by complete first time heated-air drying described cumquat carry out microwave drying, microwave power intensity is 2 ~ 3W.g
-1, the time is 10 minutes ~ 15 minutes, makes described cumquat moisture be reduced to 30% ~ 40% of described cumquat total weight;
C, the described cumquat of microwave drying is contacted with the penetrating fluid be made up of functional sugar and salt carry out infiltration to process, temperature is 20 DEG C ~ 30 DEG C, and the time is 20 minutes ~ 30 minutes;
D, to complete infiltration process described cumquat carry out second time heated-air drying, temperature is 65 DEG C ~ 75 DEG C, time is 1 hour ~ 1.5 hours, the moisture of described cumquat is made to be reduced to 10% ~ 20% of described cumquat total weight, the water activity of described cumquat is 0.64 ~ 0.44, and rehydration ratio is 3.1 ~ 7.6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410292387.2A CN104642506A (en) | 2014-06-26 | 2014-06-26 | Production method of dehydrated kumquats |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410292387.2A CN104642506A (en) | 2014-06-26 | 2014-06-26 | Production method of dehydrated kumquats |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104642506A true CN104642506A (en) | 2015-05-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410292387.2A Pending CN104642506A (en) | 2014-06-26 | 2014-06-26 | Production method of dehydrated kumquats |
Country Status (1)
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| CN (1) | CN104642506A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107744117A (en) * | 2017-11-29 | 2018-03-02 | 融安县金丰农业科技开发有限公司 | A kind of dry preparation method of few core cumquat |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102308869A (en) * | 2011-08-12 | 2012-01-11 | 江南大学 | Production method of evaporated vegetables |
-
2014
- 2014-06-26 CN CN201410292387.2A patent/CN104642506A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102308869A (en) * | 2011-08-12 | 2012-01-11 | 江南大学 | Production method of evaporated vegetables |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107744117A (en) * | 2017-11-29 | 2018-03-02 | 融安县金丰农业科技开发有限公司 | A kind of dry preparation method of few core cumquat |
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Application publication date: 20150527 |
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