CN100589709C - Method for preserving industrial sweet potato material - Google Patents
Method for preserving industrial sweet potato material Download PDFInfo
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- CN100589709C CN100589709C CN200610021316A CN200610021316A CN100589709C CN 100589709 C CN100589709 C CN 100589709C CN 200610021316 A CN200610021316 A CN 200610021316A CN 200610021316 A CN200610021316 A CN 200610021316A CN 100589709 C CN100589709 C CN 100589709C
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- Prior art keywords
- acid
- sweet potato
- alkali
- preservation
- preserving
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/90—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in food processing or handling, e.g. food conservation
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- Preparation Of Fruits And Vegetables (AREA)
- Storage Of Fruits Or Vegetables (AREA)
Abstract
The present invention belongs to the field of fresh-keeping technology for agricultural and sideline products, in the concrete, it relates to a method for storage and application of sweet potato as industrial raw material. Said method is characterized by that it can utilize acid or alkali to inhibit the growth of microbacteria and control enzyme system of sweet potato self-body and adopts the addition of acidic or alkaline substance to attain the effect for long-term storage of sweet potato starch.
Description
Technical field
The invention belongs to agricultural byproducts preservation technique field, be specifically related to a kind of method for preserving of industrial sweet potato material.
Background technology
Ipomoea batatas has another name called sweet potato, is a kind of content of starch height of extensive plantation, the high energy crop that per mu yield is big, and that its main purposes comprises is directly edible, the peasant is as feed, as food, starch and other industrial raw materials etc.At present be with the Ipomoea batatas raw material industrial production at object mostly be a large amount of starch contained in the Ipomoea batatas, the advantage that with the Ipomoea batatas is the industrial production raw material just is its content of starch height (18%-30%), per mu yield big (2-5 ton), cheap, cultivated area is wide simultaneously, do not strive ground, can not influence grain security with cereal crops.Yet the harvest season of Ipomoea batatas is in early winter, because its not low temperature resistant storage not only makes a large amount of Ipomoea batatas rot because of preservation is improper, and make the application of Ipomoea batatas have obvious seasonal, is that the industrial production of raw material is all the more so with it particularly.Influence its further a large amount of problems of using at this, propose multiple Ipomoea batatas method for preserving, mainly contained storing sth. in a cellar under the felicity condition (comprising conditions such as temperature, humidity, ventilation and bacteriostatic agent), scarlet potato chip drying, scarlet potato is produced starch and is re-used as the raw material of industry with starch.Yet still have many defectives unavoidably, as store sth. in a cellar on the technology amount of being difficult in and to guarantee that it is enough to be used in industrial production, and store sth. in a cellar limited time, operation inconvenience.Chip drying technology then energy consumption is too high, only is suitable for the higher industry of added value, is not suitable for the demanding industry of energy net output.Sex-limited when producing starch and then still having, and be that the raw material of industry will obviously improve the production cost of some industry with the purified starch.Therefore, this is cheap and have obvious seasonal crops and be used for some industrial production with Ipomoea batatas, find out the Ipomoea batatas preservation technology of a kind of cheapness, convenience, long timeliness, low energy consumption, will be unusual key and economic outlook is arranged.
Summary of the invention
It is the demand of the cheap sweet potato material of the annual supply of some industrial production needs of raw material that the present invention has catered to Ipomoea batatas piece root, proposed a kind of method for preserving of industrial sweet potato material starch, it is low, easy to operate to have a preservation cost, the preservation time is long, the characteristics of low energy consumption.
The present invention realizes in the following way.Utilize acid or alkali inhibitory action, thereby reach the purpose of Ipomoea batatas preservation by adding acid or alkali to microorganism and Ipomoea batatas self enzyme system and contaminating microorganisms.It is specific as follows:
The Ipomoea batatas piece root of excavating broken after cleaning (cut into slices or piece or fourth or bar or wear into slurry), add acid (sulfuric acid, hydrochloric acid, nitric acid, phosphoric acid, acetate, lactic acid) or alkali (NaOH, calcium hydroxide, quick lime, ammoniacal liquor), add acid or alkali quality account for the 0.1%-10% of Ipomoea batatas piece root gross mass, and mixing (broken limit, limit add acid or alkali and mixing or the fragmentation back that finishes adds acid or alkali and stirring and evenly mixing), PH≤3.5 that acid is preserved, PH 〉=8.5 that alkali is preserved, go into the pond or go into a jar placement preservation, sealing or blow-by, the preservation temperature is-10 ℃～45 ℃ a natural temperature.
According to the requirement of processing industry, in the sweet potato material that is saved, add or do not add alkali or acid during use to sweet potato material Ph value, maybe will be mixed mutually in proportion with the Ipomoea batatas of bronsted lowry acids and bases bronsted lowry preservation respectively, the purpose that reaches neutralization or do not neutralize.
The present invention has that cost is low, energy consumption is low, easy to operate, advantage that the preservation time is long, and preservation in batches, and starch from sweet potato storage rate height were through 6 months preservation serviceability rate 90-96.8%.For some is that the fermentation industry of matrix may obtain annual cheap raw material by this technology and supply with starch, and this technology also may be applied to other industrial production simultaneously.
The specific embodiment
Embodiment 1:
Fresh Ipomoea batatas piece root 50Kg drains after washing most of top layer silt, breaks into slurry with pulverizer and 2mm sieve plate, adds 95%～98% concentrated sulfuric acid of one times of 1400ml dilution, stirs evenly immediately, changes in the bucket to seal after the sampling, puts the greenhouse and preserves.Former potato slurry content of starch 22.3% (w/w), its content of starch is 21.4% after preservation in 3 months, serviceability rate 96%, its content of starch is 20.9% after preservation in a year, serviceability rate 93.7%.
Embodiment 2:
Fresh Ipomoea batatas piece root 50Kg drains after washing most of top layer silt, breaks into slurry with pulverizer and 2mm sieve plate, adds 900g powdery calcium hydroxide and stirs, and changes in the bucket to seal after the sampling, puts the greenhouse and preserves.Former potato slurry content of starch 22.4% (w/w), its content of starch is 21.2% after preservation in 3 months, serviceability rate 94.6%, its content of starch is 20.4% after preservation in a year, serviceability rate 91.1%.
Embodiment 3:
1 ton of fresh Ipomoea batatas piece root, giant washes most of top layer silt, sends into pulverizer 2mm sieve plate and breaks into slurry, and 95%～98% concentrated sulfuric acid that adds one times of 30L dilution stirs evenly, and pours in the cement pit (1m * 1m * 1m, interior tiling) and preserves, the top layer sealing.Former potato slurry content of starch 25.2% (w/w), its content of starch is 24.4% after preservation in 3 months, serviceability rate 96.8%.
Embodiment 4:
1 ton of fresh Ipomoea batatas piece root, giant washes most of top layer silt, sends into pulverizer 2mm sieve plate and breaks into slurry, adding 12Kg powdery quick lime and 25% (W/V) ammoniacal liquor 250ml stirs evenly, pour in the cement pit (1m * 1m * 1m, interior tiling) and preserve, the top layer sealing.Former potato slurry content of starch 25.4% (w/w), its content of starch is 24.1% after preservation in 6 months, serviceability rate 94.9%.
Embodiment 5:
Fresh Ipomoea batatas piece root 5Kg, water-wash away top layer silt, make homogenate with tissue refiner, wherein 2.5Kg adds 95%～98% concentrated sulfuric acid mixing of one times of 54ml dilution, 2.5Kg adds 37g powdery quick lime mixing in addition, be respectively charged into 37 ℃ of sealing preservations in the bottle, after three months, the sweet potato paste starch residual 96% that acid is preserved, the sweet potato paste starch residual 94% that alkali is preserved, with acid, the sweet potato paste that alkali is preserved adds stirring and evenly mixing neutralization together, and its Ph value is about 5, and the potato slurry of this mixing can carry out preliminary treatment (saccharification, liquefy) and inoculate the saccharomyces cerevisiae seed and carry out alcohol fermentation.
Claims (7)
1, a kind of method for preserving of industrial sweet potato material, it is characterized in that: with the Ipomoea batatas piece root excavated after cleaning fragmentation, the adding quality accounts for acid or alkali and the mixing of the 0.1%-10% of Ipomoea batatas piece root gross mass, PH≤3.5 that acid is preserved, PH 〉=8.5 that alkali is preserved, move into preservation in the container, the preservation temperature is-10 ℃～45 ℃, during use according to the requirement of processing industry to sweet potato material Ph value, in the sweet potato material that is saved, add or do not add alkali or acid, maybe will be mixed mutually in proportion with the Ipomoea batatas of bronsted lowry acids and bases bronsted lowry preservation respectively, the purpose that reaches neutralization or do not neutralize.
2, the method for preserving of a kind of industrial sweet potato material according to claim 1 is characterized in that: described fragmentation is meant with Ipomoea batatas piece undercut in flakes or piece or fourth or bar or wear into slurry.
3, the method for preserving of a kind of industrial sweet potato material according to claim 1 is characterized in that: the acid of described adding 0.1%-10% or the method for alkali and mixing are: broken limit, limit adds acid or alkali and mixing or the fragmentation back that finishes adds acid or alkali and stirring and evenly mixing.
4, the method for preserving of a kind of industrial sweet potato material according to claim 1 is characterized in that: the acid of adding be sulfuric acid or/and hydrochloric acid or/and nitric acid or/and phosphoric acid or/and acetate or/and lactic acid, the amount of its adding must make pH value behind the mixing less than 3.5.
5, the method for preserving of a kind of industrial sweet potato material according to claim 1 is characterized in that: the alkali of adding be NaOH or/and calcium hydroxide or/and quick lime or/and ammoniacal liquor, the amount of its adding must make pH value behind the mixing greater than 8.5.
6, the method for preserving of a kind of industrial sweet potato material according to claim 1 is characterized in that: the Ipomoea batatas that adds acid or alkali and mixing moves into preservation in the container, and container is pond or jar, and its volume is decided according to the preservation amount.
7, the method for preserving of a kind of industrial sweet potato material according to claim 1 is characterized in that: seal of vessel during preservation, pollute to reduce, and improve the preservation effect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610021316A CN100589709C (en) | 2006-07-04 | 2006-07-04 | Method for preserving industrial sweet potato material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610021316A CN100589709C (en) | 2006-07-04 | 2006-07-04 | Method for preserving industrial sweet potato material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101099554A CN101099554A (en) | 2008-01-09 |
| CN100589709C true CN100589709C (en) | 2010-02-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200610021316A Expired - Fee Related CN100589709C (en) | 2006-07-04 | 2006-07-04 | Method for preserving industrial sweet potato material |
Country Status (1)
| Country | Link |
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| CN (1) | CN100589709C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2359695A1 (en) * | 2010-01-21 | 2011-08-24 | KMC Kartoffelmelcentralen Amba | Method for producing products with a reduced PPO activity from potatoes |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1073077A (en) * | 1991-12-12 | 1993-06-16 | 程福来 | A kind of preparation method of potato food |
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2006
- 2006-07-04 CN CN200610021316A patent/CN100589709C/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1073077A (en) * | 1991-12-12 | 1993-06-16 | 程福来 | A kind of preparation method of potato food |
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| CN101099554A (en) | 2008-01-09 |
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Granted publication date: 20100217 Termination date: 20180704 |