CN1799373A - Freeze-drying processing method for wild leek - Google Patents
Freeze-drying processing method for wild leek Download PDFInfo
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- CN1799373A CN1799373A CN 200510019985 CN200510019985A CN1799373A CN 1799373 A CN1799373 A CN 1799373A CN 200510019985 CN200510019985 CN 200510019985 CN 200510019985 A CN200510019985 A CN 200510019985A CN 1799373 A CN1799373 A CN 1799373A
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- freeze
- green onion
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- onion
- processing method
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- Storage Of Fruits Or Vegetables (AREA)
Abstract
The invention discloses a process of preparing freeze-dried wild onion, belonging to foodstuff preparation technique field. The basic process is to recovery fresh onion for choosing, remove foreign matter and yellow leaves, wash, sterilize, cut the fresh onion, freeze under temperature of 20 Deg C below zero, then feed into freeze-drying machine for dewatering with temperature controlled below zero, and in the end the temperature controlled lower than 60 Deg C, and the dewatering time is 15-18 hours. The water can be thoroughly removed from wild onion, the nutrient, color, and taste can be retained for the long-term store of wild onion by employing method in this invention.
Description
Technical field
The present invention relates to a kind of processing method of food, particularly a kind ofly adopt freeze drying technology to carry out method for processing wild green onion.
Background technology
Wild green onion is main for edible bright product for a long time, has only two months its picking time, and traditional blanching, to dry processing method bigger to its local flavor damage, is unfavorable for long preservation under the condition of nutrition, color and the fragrance of the wild green onion of reservation.
Summary of the invention
The purpose of this invention is to provide a kind of freeze-drying processing method that can under reservation wild green onion nutrition, color and fragrance condition, carry out long preservation to wild green onion.
The object of the present invention is achieved like this: the freeze-drying processing method of a kind of wild green onion, the bright green onion of gathering is plucked choosing, clean after removing foreign matter, yellow leaf, sterilization, bright green onion after the sterilization is cut off, freeze to the subzero freeze dryer drying and dehydrating of sending into below 20 ℃, the dehydration temperature is controlled at below 0 ℃, last stage, temperature was below 60 ℃, and dewatering time is 15-18 hour.Adopting effective chlorine during sterilization is that the disinfectant of 150ppm soaked 10 minutes.
The freeze-drying processing method of wild green onion provided by the present invention, by plucking choosing, cleaning, sterilization and with the freeze-drier processing of dewatering, can remove the moisture in the wild green onion more fully, under reservation wild green onion nutrition, color and fragrance condition, wild green onion be carried out long preservation.
The specific embodiment
The present invention in wild green onion can select for use Wu Feng only mountain range in Hubei the wild green onion of height above sea level more than 1800 meters, the bright green onion of gathering is plucked choosing, clean after removing foreign matter, yellow leaf, adopting effective chlorine during sterilization is that the disinfectant of 150ppm soaked 10 minutes, bright green onion after the sterilization is cut off, cut into 3-5mm according to market demand, freeze to the subzero freeze dryer drying and dehydrating of sending into below 20 ℃, the dehydration temperature is controlled at below 0 ℃, last stage, temperature was below 60 ℃, through dehydration in 15-18 hour, the water content of control product was lower than 5%.
Claims (2)
1, the freeze-drying processing method of a kind of wild green onion, it is characterized in that: the bright green onion that will gather is plucked choosing, clean after removing foreign matter, yellow leaf, sterilization, bright green onion after the sterilization is cut off, freeze to the subzero freeze dryer drying and dehydrating of sending into below 20 ℃, the dehydration temperature is controlled at below 0 ℃, last stage, temperature was below 60 ℃, and dewatering time is 15-18 hour.
2, the freeze-drying processing method of wild green onion according to claim 1 is characterized in that: adopting effective chlorine during sterilization is that the disinfectant of 150ppm soaked 10 minutes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510019985 CN1799373A (en) | 2005-12-07 | 2005-12-07 | Freeze-drying processing method for wild leek |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510019985 CN1799373A (en) | 2005-12-07 | 2005-12-07 | Freeze-drying processing method for wild leek |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1799373A true CN1799373A (en) | 2006-07-12 |
Family
ID=36809756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510019985 Pending CN1799373A (en) | 2005-12-07 | 2005-12-07 | Freeze-drying processing method for wild leek |
Country Status (1)
| Country | Link |
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| CN (1) | CN1799373A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101467647A (en) * | 2007-12-28 | 2009-07-01 | 宫坂醸造株式会社 | Method for producing frozen and dried scallion product |
| CN103919064A (en) * | 2014-04-02 | 2014-07-16 | 浙江小二黑食品有限公司 | New method for preparing dehydrated chive |
| CN105595250A (en) * | 2016-01-26 | 2016-05-25 | 福建师范大学 | Drying method of flavor type green vegetables |
| CN107950640A (en) * | 2017-10-30 | 2018-04-24 | 临沂大林食品股份有限公司 | A kind of lyophilized technique of the fresh green onion of vacuum freeze drying |
-
2005
- 2005-12-07 CN CN 200510019985 patent/CN1799373A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101467647A (en) * | 2007-12-28 | 2009-07-01 | 宫坂醸造株式会社 | Method for producing frozen and dried scallion product |
| CN101467647B (en) * | 2007-12-28 | 2013-01-23 | 宫坂醸造株式会社 | Method for producing frozen and dried scallion product |
| CN103919064A (en) * | 2014-04-02 | 2014-07-16 | 浙江小二黑食品有限公司 | New method for preparing dehydrated chive |
| CN105595250A (en) * | 2016-01-26 | 2016-05-25 | 福建师范大学 | Drying method of flavor type green vegetables |
| CN105595250B (en) * | 2016-01-26 | 2019-11-08 | 福建师范大学 | The drying means of flavor class green vegetable |
| CN107950640A (en) * | 2017-10-30 | 2018-04-24 | 临沂大林食品股份有限公司 | A kind of lyophilized technique of the fresh green onion of vacuum freeze drying |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20060712 |