CN101444293A - Lotus root processing aid and preparation method and application thereof - Google Patents
Lotus root processing aid and preparation method and application thereof Download PDFInfo
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- CN101444293A CN101444293A CNA2008102425570A CN200810242557A CN101444293A CN 101444293 A CN101444293 A CN 101444293A CN A2008102425570 A CNA2008102425570 A CN A2008102425570A CN 200810242557 A CN200810242557 A CN 200810242557A CN 101444293 A CN101444293 A CN 101444293A
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- lotus root
- processing aid
- root processing
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Abstract
The invention relates to a lotus root processing aid and the preparation method and the application thereof. The stock solution of the lotus root processing aid contains phytic acid 1.0% to 1.5%, citric acid 2.0% to 2.5%, isoascorbic acid 2.0% to 3.0%, ethylenediaminetetraacetic acid (EDTA) 1.5% to 2.0%, and water in balancing amount. When in use, the stock solution of the lotus root processing aid is diluted with water to obtain a diluted solution, and the preprocessed lotus root is soaked in the diluted solution for above 30 min. the composite lotus root processing aid contains more than three effective components, and can simultaneously exert the functions of pH buffer adjuster, metal ion chelating agent, deoxygenation inhibitor and the like to effectively inhibit and adjust brown stain of lotus root on the basis of adjusting the physiological and biochemical characteristics and the food component chemical change of lotus root. Meanwhile, the lotus root processing aid is beneficial to keeping the tissue structure of lotus root, thereby ensuring the lotus root product quality, lowering the production cost and increasing the economic benefit.
Description
Technical field
The present invention relates to brown stain inhibition conditioning agent and compound method and application that a kind of lotus rhizome processing is used.
Background technology
Lotus rhizome is the epochmaking aquatic vegetable of China, has higher nutritive value and medical value.Lotus rhizome also is one of important vegetables of China's foreign exchange earning, and higher economic value is arranged.The kind of lotus rhizome fabricated product is a lot, salt marsh lotus root, quick-frozen lotus root, poach lotus root and fresh-keeping lotus root, and compound conditioning lotus root even depth converted products.Requirement to product category and quality when in recent years, the international market increases the demand of lotus rhizome goods also increases substantially.The storage of lotus rhizome and deep-processing process are the continuities of lotus rhizome self physiological and biochemical procedure.Brown stain very easily takes place in lotus rhizome in this process, and the discoloration problem that is caused by enzymatic browning and non-enzymatic browning becomes the principal element that limits the lotus rhizome quality, and wherein the enzymatic browning influence is more remarkable, and enzymatic browning and polyphenol oxidase activity are closely related.Lotus rhizome is being removed the peel, is being removed in joint and the cutting process, and product makes discoloration problem more outstanding because of increasing with the air contact area.Therefore, the adjusting of self physiological and biochemical procedure in the storage of lotus rhizome and the deep-processing process and the inhibition of brown stain process are become the key factor that ensures lotus rhizome fabricated product product quality.The use of exogenous processing aid also can influence the brown stain process of lotus rhizome in the storage of lotus rhizome and the deep-processing process.
At present, what generally use in the storage of lotus rhizome and the deep-processing process is with sulphite or the acid sulphite browning inhibitor as main component, sulphite or acid sulphite are a kind of powerful antioxidant and bactericide, can effectively reduce the redox potential in the system, suppress the generation of lotus root browning, the sulfur dioxide of its generation simultaneously has the obvious sterilization effect again.But with sulphite or acid sulphite is the lotus root processing aid of main component, is subjected in use owing to there is food security hidden danger extensively querying and restriction.As the residue problem of sulfur dioxide in food, sulphite causes that easily ill symptoms problem that is similar to the asthma pathology etc. appears in the eater, particularly the non-trade barrier of international market limits trend in recent years, the residual food-safety problem that waits of processing aid becomes the critical defect that sulphite uses.
Summary of the invention
The present invention is according to the physiological action rule of brown stain in lotus rhizome storage and the deep-processing process, and the needs of lotus rhizome processing, and a kind of processing aid and compound method and application that the lotus rhizome production of articles is used of specializing in is provided.
Lotus root processing aid of the present invention, contain phytic acid, citric acid, arabo-ascorbic acid, ethylenediamine tetra-acetic acid (EDTA) and water, lotus root processing aid stock solution quality percentage is: phytic acid 1.0～1.5%, citric acid 2.0～2.5%, arabo-ascorbic acid 2.0～3.0%, ethylenediamine tetra-acetic acid (EDTA) 1.5～2.0%, surplus are water.
The preparation technique scheme of lotus root processing aid of the present invention is: phytic acid, citric acid, arabo-ascorbic acid and the ethylenediamine tetra-acetic acid of above-mentioned mass percent are dissolved in the water successively, mix and make lotus root processing aid stoste.Described reagent is the food additives rank.
The technical scheme that lotus root processing aid is used is: at first lotus root processing aid stoste is added water and be mixed with dilution, lotus root processing aid stoste is 5～10% by mass percentage, water 90～95%, in the lotus rhizome process, after lotus rhizome pretreatment of raw material cleaning, peeling, the stripping and slicing, in dilution, evenly flood more than 30 minutes.Lotus rhizome storage raw material with the dilution dipping, is best period after desalination.
What the present invention adopted is the compound lotus root processing aid of active ingredient more than three kinds, utilize multiple actions such as having brought into play pH adjusting buffer, metal ion chelation agent and deoxygenation type inhibitor simultaneously, on the basis of regulating lotus rhizome post-harvest physiology biochemistry and food composition chemical change process, effectively suppress the lotus root browning effect, also the lotus rhizome institutional framework is kept useful simultaneously.Compare with the lotus rhizome processing additives that with sulphite or acid sulphite is main component, have the effect of better control lotus root browning.Lotus root processing aid mother liquor of the present invention, the holding time is long, but low temperature is preserved a week, during application dilution easy to use, the brown stain process that can effectively suppress and regulate lotus rhizome guarantees lotus rhizome converted products quality, reduces production costs the increase economic benefit.
The specific embodiment
Embodiment one
Lotus root processing aid stoste preparation: take by weighing phytic acid 1kg, citric acid 2kg, arabo-ascorbic acid 2kg, ethylenediamine tetra-acetic acid (EDTA) 1.5kg, be dissolved in successively in the 93.5kg water, mix and be mixed with lotus root processing aid stoste.Add an amount of cosolvent when needing, increase dissolving.Lotus root processing aid stoste low temperature is preserved, and can use a week.
The application of lotus root processing aid stoste: in lotus rhizome storage and the processing process, after pretreatment of raw material cleaning, peeling, the stripping and slicing, or the storage raw material uses after desalination.At first with lotus root processing aid stoste thin up by mass percentage, stoste is 5kg, water 95kg.Lotus rhizome pretreated feedstock or storage raw material were uniformly impregnated within the dilution more than 30 minutes.The poach lotus root product that obtains of production technology routinely, its brown stain degree does not relatively have difference with using sulfur-bearing processing aid product; Than not using the processing aid product relatively, the brown stain degree reduces by 75%.
Embodiment two
Lotus root processing aid stoste preparation: take by weighing phytic acid 1.5kg, citric acid 2.5kg, arabo-ascorbic acid 3kg, ethylenediamine tetra-acetic acid (EDTA) 2kg, be dissolved in successively in the 91kg water, mix and be mixed with lotus root processing aid stoste.Add an amount of cosolvent when needing, increase dissolving.Lotus root processing aid stoste low temperature is preserved, and can use a week.
The application of lotus root processing aid stoste: in lotus rhizome storage and the processing process, after pretreatment of raw material cleaning, peeling, the stripping and slicing, or the storage raw material uses after desalination.At first with lotus root processing aid stoste thin up by mass percentage, stoste is 10kg, water 90kg.Lotus rhizome pretreated feedstock or storage raw material were uniformly impregnated within the dilution more than 30 minutes.The fresh-keeping lotus root product that obtains of production technology routinely, its brown stain degree does not relatively have difference with using sulfur-bearing processing aid product; Than not using the processing aid product relatively, the brown stain degree reduces by 85%.
Claims (5)
1, a kind of lotus root processing aid, it is characterized in that, contain phytic acid, citric acid, arabo-ascorbic acid, ethylenediamine tetra-acetic acid and water, lotus root processing aid stock solution quality percentage is, phytic acid 1.0～1.5%, citric acid 2.0～2.5%, arabo-ascorbic acid 2.0～3.0%, ethylenediamine tetra-acetic acid concentration 1.5～2.0%, surplus are water.
2, prepare the method for the described lotus root processing aid of claim 1, it is characterized in that, phytic acid, citric acid, arabo-ascorbic acid, the ethylenediamine tetra-acetic acid of the described proportioning of claim 1 is dissolved in the water, mix and make lotus root processing aid stoste.
3, the preparation method of lotus root processing aid according to claim 2 is characterized in that, described phytic acid, citric acid, arabo-ascorbic acid, ethylenediamine tetra-acetic acid are food grade additives.
4, according to the application of the described lotus root processing aid of claim 1, it is characterized in that earlier lotus root processing aid stoste being added water is mixed with dilution, lotus root processing aid stoste is 5～10% by mass percentage, water 90～95%, after lotus rhizome pretreatment of raw material cleaning, peeling, the stripping and slicing, or the storage raw material is uniformly impregnated within the dilution after desalination.
5, the application of lotus root processing aid according to claim 4 is characterized in that, after described lotus rhizome raw material or the storage raw material desalination evenly in the dipping dilution more than 30 minutes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008102425570A CN101444293A (en) | 2008-12-23 | 2008-12-23 | Lotus root processing aid and preparation method and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008102425570A CN101444293A (en) | 2008-12-23 | 2008-12-23 | Lotus root processing aid and preparation method and application thereof |
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| CN101444293A true CN101444293A (en) | 2009-06-03 |
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| CNA2008102425570A Pending CN101444293A (en) | 2008-12-23 | 2008-12-23 | Lotus root processing aid and preparation method and application thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102550996A (en) * | 2012-01-16 | 2012-07-11 | 浙江师范大学 | Rusty spot-removing method for lotus roots |
| CN103518836A (en) * | 2013-10-12 | 2014-01-22 | 广西科技大学 | Fresh-keeping method for fresh-cut lotus root slices |
-
2008
- 2008-12-23 CN CNA2008102425570A patent/CN101444293A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102550996A (en) * | 2012-01-16 | 2012-07-11 | 浙江师范大学 | Rusty spot-removing method for lotus roots |
| CN103518836A (en) * | 2013-10-12 | 2014-01-22 | 广西科技大学 | Fresh-keeping method for fresh-cut lotus root slices |
| CN103518836B (en) * | 2013-10-12 | 2015-03-11 | 广西科技大学 | Fresh-keeping method for fresh-cut lotus root slices |
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Application publication date: 20090603 |