CN101300999A - Method for processing dried lichee with elementary color - Google Patents
Method for processing dried lichee with elementary color Download PDFInfo
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- CN101300999A CN101300999A CNA200810029288XA CN200810029288A CN101300999A CN 101300999 A CN101300999 A CN 101300999A CN A200810029288X A CNA200810029288X A CN A200810029288XA CN 200810029288 A CN200810029288 A CN 200810029288A CN 101300999 A CN101300999 A CN 101300999A
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- acid
- lichee
- elementary color
- processing dried
- anaerobic water
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Abstract
A processing method of dried litchi with primary color comprises killing enzyme, recovering and fixing color for fresh litchi, then drying to obtain dried litchi with primary color. The enzyme killing treatment includes soaking with oxygen-free water, then blanching with rinsing liquid of oxygen-free water. The present invention has the advantages of simple processing, beautiful appearance and no SO2 residue, which can improve market competitiveness of the product.
Description
Technical field
The present invention relates to the processing method of lichee, is a kind of method for processing dried lichee with elementary color specifically.
Background technology
Lichee is one of China South China special product fruit, and the fruit look scarlet is, nutritious, unique flavor, and element is liked by people.
Lichee is easy to rotten and concentrates picking time and storage tolerance not, therefore, in order to solve the lichee outlet, improves the lichee economic benefit, is processed into lichee usually and does.
Tradition lichee method for processing dried is to adopt Exposure to Sunlight, fire roasting or heated-air drying technology.
Because lichee pericarp contains abundant polyphenol oxidase, peroxidase, it is the key enzyme of pericarp browning, when the pericarp percentage of water loss reaches 50% left and right sides of content own, promptly begins brown stain, influences the outward appearance of product, reduces the competitiveness of product in market.In order to improve the phenomenon of the dried epidermis brown stain of lichee, at present, most technologies that adopt sulfuration to kill enzyme, acidifying secondary color fixation and oven dry owing in killing enzyme treatment process, adopt sulphuring treatment, easily cause SO
2Residual exceeding standard influences product quality.
Summary of the invention
The purpose of this invention is to provide a kind of browning phenomenon that can effectively suppress the dried epidermis of lichee, obtain appearance looks elegant yesterday, no SO
2Residual method for processing dried lichee with elementary color.
Method for processing dried lichee with elementary color provided by the invention goes out fresh lichee that enzyme is handled and the secondary color fixation treatment, dry back dried lichee with elementary color, it is earlier with the anaerobic water immersion that the described enzyme that goes out is handled, and carries out blanching with the anaerobic water rinsing liquid then.
The anaerobic water soaking temperature is a normal temperature, 4～10 minutes time.
90～100 ℃ of anaerobic water rinsing liquid blanching temperatures, 5～20 seconds time.
The anaerobic water rinsing liquid is formulated by a kind of in anaerobic water and sulfuric acid, the phosphoric acid or their mixed acid, pH value 0.5～4.
The secondary color fixation treatment adopts acid solution to soak, acid solution is by any two kinds or two or more formulated in a kind of in a kind of mixed acid in a kind of and citric acid in a kind of or sulfuric acid in sulfuric acid, phosphoric acid, citric acid, malic acid, the phytic acid, the phosphoric acid, malic acid, the phytic acid and glycerine, ethylene glycol, the plant flavone or glycerine, ethylene glycol, the plant flavone, and pH value 0.5～4.
45～80 ℃ of the temperature that acid solution soaks, 1～15 minute time.
The present invention have processing easy, product appearance is attractive in appearance, no SO
2Residual characteristics help to improve competition capability.
The specific embodiment
Embodiment 1: the ripe fresh lichee after will gathering soaks 5min at normal temperatures with anaerobic water, use 100 ℃ of boiling water blanching 3s of vitriolated pH=3, anaerobic then, and then placing 60 ℃ acid solution to soak 8min by the pH=2 of citric acid, glycerine, plant flavone preparation, take out the pericarp back that reddens.To carry out drying then through the lichee of above-mentioned processing and handle, the lichee with elementary color dryed product.
Embodiment 2: the ripe fresh lichee after will gathering soaks 8min with anaerobic water, blanching 8s in 90 ℃ of water of the pH=2 of phosphoric acid, anaerobic then, place 50 ℃ of acid solutions to soak 10min again, take out after pericarp reddens by the pH=1 of sulfuric acid, glycerine, ethylene glycol, plant flavone preparation.To carry out drying then through the lichee of above-mentioned processing and handle, the lichee with elementary color dryed product.
Embodiment 3: the ripe fresh lichee after will gathering soaks 6min with anaerobic water, at the pH=1 of sulfur acid and phosphoric acid, 100 ℃ of boiling water blanching 3s of anaerobic, and then placing 50 ℃ of acid solutions to soak 10min by the pH=2 of sulfuric acid and citric acid, glycerine, plant flavone preparation, take out the pericarp back that reddens.To carry out drying then through the lichee of above-mentioned processing and handle, the lichee with elementary color dryed product.
Claims (6)
1, a kind of method for processing dried lichee with elementary color goes out fresh lichee that enzyme is handled and the secondary color fixation treatment, dry back dried lichee with elementary color, it is characterized in that: it is earlier with the anaerobic water immersion that the described enzyme that goes out is handled, and carries out blanching with the anaerobic water rinsing liquid then.
2, method for processing dried lichee with elementary color according to claim 1 is characterized in that: the anaerobic water soaking temperature is a normal temperature, time 4～10min.
3, method for processing dried lichee with elementary color according to claim 1 is characterized in that: 90～100 ℃ of anaerobic water rinsing liquid blanching temperatures, time 5～20s.
4, according to claim 1 or 3 described method for processing dried lichee with elementary color, it is characterized in that: the anaerobic water rinsing liquid is formulated by a kind of in anaerobic water and sulfuric acid, the phosphoric acid or their mixed acid, and pH value 0.5～4.
5, method for processing dried lichee with elementary color according to claim 1, it is characterized in that: the secondary color fixation treatment adopts acid solution to soak, acid solution is by any two kinds or two or more formulated in a kind of in a kind of mixed acid in a kind of and citric acid in a kind of or sulfuric acid in sulfuric acid, phosphoric acid, citric acid, malic acid, the phytic acid, the phosphoric acid, malic acid, the phytic acid and glycerine, ethylene glycol, the plant flavone or glycerine, ethylene glycol, the plant flavone, and pH value 0.5～4.
6, method for processing dried lichee with elementary color according to claim 5 is characterized in that: 45～80 ℃ of the temperature that acid solution soaks, time 1～15min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200810029288XA CN101300999A (en) | 2008-07-01 | 2008-07-01 | Method for processing dried lichee with elementary color |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200810029288XA CN101300999A (en) | 2008-07-01 | 2008-07-01 | Method for processing dried lichee with elementary color |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101300999A true CN101300999A (en) | 2008-11-12 |
Family
ID=40111251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA200810029288XA Pending CN101300999A (en) | 2008-07-01 | 2008-07-01 | Method for processing dried lichee with elementary color |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101300999A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102715469A (en) * | 2012-06-26 | 2012-10-10 | 广西名香园食品有限公司 | Dried litchi processing method |
| CN104970311A (en) * | 2015-06-11 | 2015-10-14 | 钟兴欢 | Processing method of dried litchi chinensis |
| CN106616577A (en) * | 2016-08-29 | 2017-05-10 | 陈思 | Method for making dried lichee |
-
2008
- 2008-07-01 CN CNA200810029288XA patent/CN101300999A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102715469A (en) * | 2012-06-26 | 2012-10-10 | 广西名香园食品有限公司 | Dried litchi processing method |
| CN104970311A (en) * | 2015-06-11 | 2015-10-14 | 钟兴欢 | Processing method of dried litchi chinensis |
| CN106616577A (en) * | 2016-08-29 | 2017-05-10 | 陈思 | Method for making dried lichee |
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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: 20081112 |