CN100477927C - Concentrated sweet potato juice and production thereof - Google Patents
Concentrated sweet potato juice and production thereof Download PDFInfo
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- CN100477927C CN100477927C CNB200610012489XA CN200610012489A CN100477927C CN 100477927 C CN100477927 C CN 100477927C CN B200610012489X A CNB200610012489X A CN B200610012489XA CN 200610012489 A CN200610012489 A CN 200610012489A CN 100477927 C CN100477927 C CN 100477927C
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Abstract
A concentrated sweet potato juice as a functional food with unique taste is prepared from sweet potato through removing peel, adding water, breaking to become jam, squeezing to obtain juice, regulating pH=4-6, hydrolyzing by beta-amylase, decomposing by pectinase, ultrafiltering, concentrating and loading in cans.
Description
Technical field
The present invention relates to a kind of concentrated sweet potato juice and preparation method, especially, belong to fruit deep process technology field through the preparation method of the concentrated sweet potato juice of amylase, Glucoamylase hydrolysis saccharification.
Background technology
Ipomoea batatas contains sugar, rich in amino acid and vitamin, have anticancer, keep fit, characteristics such as beauty treatment, and wide material sources, delicious flavour, low price, in very great demand on vegetables market.But Ipomoea batatas is difficult to storage, rots easily, edible being subject to seasonal restrictions, and exploitation sweet potato juice beverage products is fit to the consumption demand that people pay attention to green health.Rarely have sweet potato beverage to sell in the market, patent of invention 97107918 and 01124157 once disclosed the preparation method of sweet potato beverage respectively, and main technical schemes is that mixed suspension beverage is made with allotments such as sweetener, flavouring agent, anticorrisive agents in Ipomoea batatas making beating back.The shortcoming of this sweet potato juice production process route be do not make full use of Ipomoea batatas itself contained enrich starch and sugar, add honey, sweetener etc. on the contrary, the not only wasting of resources, and the contained starch material of Ipomoea batatas is dealt with local flavor, mouthfeel and the generation precipitation brown stain influence sale image that also can influence beverage improperly.
Summary of the invention
The object of the invention is to provide a kind of concentrated sweet potato juice beverage and preparation method of pure Ipomoea batatas preparation, combination enzymolysis processing by amylase, carbohydrase, pectase, make the starch in the Ipomoea batatas transform into sugar, make all good concentrated sweet potato juice product of flavor taste.
Technical scheme of the present invention is achieved in that this concentrated sweet potato juice, it is characterized in that sweet potato juice through amylase, Glucoamylase hydrolysis processing, and soluble solid content 10-70%, pH are the concentrated clear juice of 4-6.
The preparation method of described concentrated sweet potato juice, its feature comprises:
A, raw material are handled: the Ipomoea batatas peeling is added the water fragmentation becomes pulp;
B, squeeze the juice: the Ipomoea batatas pulp is squeezed the juice with squeezer;
C, enzymolysis: it is 4-6 that the Ipomoea batatas squeezing juice is adjusted pH, and through Glucoamylase hydrolysis 1-3 hour, pectase decomposed 1-3 hour;
D, filtration: the Ipomoea batatas squeezing juice is through active carbon or decolorizing resin/and bentonite in treatment 1-3 hour adsorption treatment of decolouring, through the ultrafilter ultrafiltration;
E, concentrated: is 10-70% by concentration evaporator to sweet potato juice evaporation and concentration to solubility solid content;
F, filter canned: be cooled to below 30 ℃ cardboard diatomite filtration, canned-15 ℃ of storages.
The preparation method of described concentrated sweet potato juice, it is according to 0.5-3 that the described raw material of steps A is handled: 1 adds water, adds vitamin C simultaneously or/and the amylase fragmentation becomes pulp, is heated to 75-100 ℃, is incubated 0.5-2 hour;
The another kind of technical scheme that the described raw material of preparation method's steps A of above-mentioned concentrated sweet potato juice is handled is will remove the peel Ipomoea batatas earlier to add thermal maturation crushing and beating again.
The preparation method of described concentrated sweet potato juice, the described raw material of steps A adds the 0.02-0.08% that ascorbic ratio is the Ipomoea batatas pulp when handling.
The preparation method of described concentrated sweet potato juice, the described raw material of steps A adds the 0.03-0.3% that diastatic ratio is the Ipomoea batatas pulp when handling.
The preparation method of described concentrated sweet potato juice, the adding proportion of the described carbohydrase of step C are the 0.1-0.6% of Ipomoea batatas squeezing juice.
The preparation method of described concentrated sweet potato juice, the adding proportion of the described pectase of step C are the 0.05-0.15% of Ipomoea batatas squeezing juice.
The preparation method of described concentrated sweet potato juice, the described Ipomoea batatas squeezing juice of step D is through active carbon or decolorizing resin/and bentonite 95-110 ℃ of deactivation in 30 seconds of heating after the adsorption treatment of decolouring, again through the ultrafilter ultrafiltration.
The preparation method of described concentrated sweet potato juice, the additional proportion of the described active carbon of step D is the 0.02-0.2% of Ipomoea batatas squeezing juice.
The preparation method of described concentrated sweet potato juice, the bentonitic additional proportion of step D is the 0.02-0.2% of Ipomoea batatas squeezing juice.
A significant contribution of the present invention is to utilize the amylase enzymolysis of Ipomoea batatas itself to transform sugar, and ultrafiltration technology also makes the contained colloidal substance of sweet potato juice thoroughly separate, and obtains the very soft and smooth and stable honey shape product of quality.Needn't add sweetener, anticorrisive agent in the concentrated sweet potato juice product, keep the pure natural proterties, satisfy the modern consumption green idea, can reach the local flavor and the mouthfeel of beverage requirement after the dilution directly as the development of functional food utilization.
Description of drawings
Fig. 1 is the flow sheet of concentrated sweet potato juice of the present invention
The specific embodiment
Embodiment 1
1, raw material machine barking: guarantee that the peeling rate reaches more than 60%.
2, fragmentation:
2-1, Ipomoea batatas will be added the demineralized water more than 50 ℃ when fragmentation, water and potato slurry add according to 0.5: 1 ratio, and broken granularity is controlled at 2～5 millimeters;
2-2, the ratio according to Ipomoea batatas magma 0.02% in broken raw material are added vitamin C, and vitamin C is diluted to the aqueous solution before interpolation, directly be added in the pulp by measuring pump in broken raw material;
2-3, the ratio according to Ipomoea batatas magma 0.25% in broken raw material are added amylase, will be diluted to the enzymes soln of 5-20% before amylase adds.
3, potato slurry heating: the potato slurry is heated to more than 85 ℃, in storage tank, is incubated, be controlled within 2 hours.
4, squeezing: the potato slurry is squeezed by squeezer.
5, heating/cooling: enter heater after the Ipomoea batatas squeezing juice process reciprocating sieve coarse filtration and carry out heating-up temperature more than 95 ℃, insulation is more than 30 seconds; Be cooled to then below 55 ℃.
Another elongation technology scheme of above-mentioned break process is: will remove the peel Ipomoea batatas earlier and add thermal maturation crushing and beating again.
6, enzymolysis:
6-1, acid adjustment: sampling detects solubility solidity thing, the total acid that enters sweet potato juice in the glue kettle, calculates the addition of citric acid, and control sweet potato juice pH is between 4-6;
6-2, carbohydrase: the addition of carbohydrase is 0.05% of an Ipomoea batatas squeezing juice, and be 2.5 hours action time;
6-3, pectase: the addition of pectase is 0.15% of an Ipomoea batatas squeezing juice, and be 2.5 hours action time;
6-4, active carbon or decolorizing resin: the addition of active carbon or decolorizing resin is 0.15% of an Ipomoea batatas squeezing juice, and be 3 hours action time;
6-5, bentonite: bentonitic addition is 0.2% of an Ipomoea batatas squeezing juice, and be 2 hours action time.
7, heating/cooling: the sweet potato juice heater via that enzymolysis is finished is heated to 100 ℃, keeps being cooled to 50-55 ℃ then more than 30 seconds.
8, ultrafiltration: the Ipomoea batatas Normal juice after handling is carried out ultrafiltration by the ultra filtration filter.
9, kill enzyme: the fruit juice heater via after the ultrafiltration is heated to 100 ℃, keeps more than 30 seconds.
10, concentrate: by concentration evaporator the sweet potato juice after handling being carried out evaporation and concentration to soluble solid content is 60%.
11, cooling: utilize cooler that extract is cooled to below 30 ℃ and kept 28 hours.
12, filter: utilize heat exchanger that concentrated sweet potato juice in batch jar is heated to 50 ℃, filter by the cardboard diatomite filter.
13, canned storage: go into freezer after fruit juice is canned and store, storage temperature is below-15 ℃.
Concentrated sweet potato juice reference mass standard:
1, soluble solid: 60-61%
2, colour: A410 (at10%)≤0.25
3, light transmittance: T625 (at10%) 〉=85%
4, pH value: 〉=4.0
5, total acid (at10%): 0.05-0.30%
6, pectin, starch: feminine gender
7, total number of bacteria :≤10000cfu/g.
8, Escherichia coli :≤10cfu/g.
9, yeast, mould :≤500cfu/g.
10, lead:＜100ug/kg
11, arsenic:＜100ug/kg
Embodiment 2:
1, raw material machine barking: guarantee that the peeling rate reaches more than 60%.
2, fragmentation:
2-1, Ipomoea batatas will be added the demineralized water more than 50 ℃ when fragmentation, water and potato slurry add according to 3: 1 ratio, and broken granularity is controlled at 2～5 millimeters;
2-2, the ratio according to Ipomoea batatas magma 0.07% in broken raw material are added vitamin C, and vitamin C is diluted to the aqueous solution before interpolation, directly be added in the pulp by measuring pump in broken raw material;
2-3, the ratio according to Ipomoea batatas magma 0.03% in broken raw material are added amylase, will be diluted to the enzymes soln of 5-20% before amylase adds.
3, potato slurry heating: the potato slurry is heated to more than 95 ℃, in storage tank, is incubated, be controlled within 0.5 hour.
4, squeezing: sweet potato paste is squeezed by squeezer.
5, heating/cooling: with embodiment 1
6, enzymolysis:
6-1, acid adjustment: sampling detects solubility solidity thing, the total acid that enters sweet potato juice in the glue kettle, calculates the addition of citric acid, and control Ipomoea batatas squeezing juice pH is between 4-6;
6-2, carbohydrase: the addition of carbohydrase is 0.1% of an Ipomoea batatas squeezing juice, and be 1.5 hours action time;
6-3, pectase: the addition of pectase is 0.05% of an Ipomoea batatas squeezing juice, and be 1.5 hours action time;
6-4, active carbon or decolorizing resin: the addition of active carbon is 0.15% of an Ipomoea batatas squeezing juice, and be 1.5 hours action time;
6-5, bentonite: bentonitic addition is 0.2% of a sweet potato juice, and be 1 hour action time.
7, heating/cooling: the sweet potato juice heater via that enzymolysis is finished is heated to 96 ℃, keeps being cooled to 50-55 ℃ then more than 30 seconds.
8, ultrafiltration: with embodiment 1.
9, kill enzyme: the fruit juice heater via after the ultrafiltration is heated to 96 ℃, keeps more than 30 seconds.
10, concentrate: evaporation and concentration to soluble solid content is 10-30%.
11, cooling: utilize cooler that extract is cooled to below 30 ℃ and kept 12 hours.
12, filter: utilize heat exchanger that concentrated sweet potato juice in batch jar is heated to 40 ℃, filter by the cardboard diatomite filter.
13, canned storage: same embodiment 1.
Listed examples of the present invention is intended to further illustrate process, and scope of the present invention is not constituted any restriction, the product that obtains with the embodiment of the invention and all can obtain concentrated sweet potato juice product of the present invention via the described method of claims 1-10 of the present invention.
Claims (9)
1, a kind of concentrated sweet potato juice, it is characterized in that concentrated sweet potato juice is that Ipomoea batatas is starched 0.5-3 according to water and potato: 1 ratio adds water, through amylase, carbohydrase, pectase hydrolysis process, filter, be concentrated to soluble solid content 10-70%, pH is the concentrated clear juice of 4-6.
2, the preparation method of the described concentrated sweet potato juice of claim 1, its feature comprises:
A, raw material handle: the Ipomoea batatas peeling is added the water fragmentation becomes pulp, and starch 0.5-3 according to water and potato: 1 ratio adds water, adds vitamin C simultaneously and the amylase fragmentation becomes pulp, is heated to 75-100 ℃, is incubated 0.5-2 hour;
B, squeeze the juice: the Ipomoea batatas pulp is squeezed the juice with squeezer;
C, enzymolysis: it is 4-6 that the Ipomoea batatas squeezing juice is adjusted pH, and through Glucoamylase hydrolysis 1-3 hour, pectase decomposed 1-3 hour;
D, filtration: the Ipomoea batatas squeezing juice is through active carbon and the bentonite in treatment 1-3 hour adsorption treatment of decolouring, through the ultrafilter ultrafiltration;
E, concentrated: is 10-70% by concentration evaporator to sweet potato juice evaporation and concentration to solubility solid content;
F, filter canned: be cooled to below 30 ℃ cardboard diatomite filtration, canned-15 ℃ of storages.
3,, it is characterized in that the described raw material of steps A adds the 0.02-0.08% that ascorbic ratio is the Ipomoea batatas pulp when handling according to the preparation method of the described concentrated sweet potato juice of claim 2.
4,, it is characterized in that the described raw material of steps A adds the 0.03-0.3% that diastatic ratio is the Ipomoea batatas pulp when handling according to the preparation method of the described concentrated sweet potato juice of claim 2.
5, according to the preparation method of the described concentrated sweet potato juice of claim 2, the adding proportion that it is characterized in that the described carbohydrase of step C is the 0.1-0.6% of Ipomoea batatas squeezing juice.
6, according to the preparation method of the described concentrated sweet potato juice of claim 2, the adding proportion that it is characterized in that the described pectase of step C is the 0.05-0.15% of Ipomoea batatas squeezing juice.
7,, it is characterized in that the described Ipomoea batatas squeezing juice of step D is through the decolouring 95-110 ℃ of deactivation in 30 seconds of heating after the adsorption treatment, again through the ultrafilter ultrafiltration according to the preparation method of the described concentrated sweet potato juice of claim 2.
8, according to the preparation method of the described concentrated sweet potato juice of claim 2, the additional proportion that it is characterized in that the described active carbon of step D is the 0.02-0.2% of Ipomoea batatas squeezing juice.
9,, it is characterized in that the 0.02-0.2% that the described bentonitic additional proportion of step D is the Ipomoea batatas squeezing juice according to the preparation method of the described concentrated sweet potato juice of claim 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CNB200610012489XA CN100477927C (en) | 2006-03-13 | 2006-03-13 | Concentrated sweet potato juice and production thereof |
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| CNB200610012489XA CN100477927C (en) | 2006-03-13 | 2006-03-13 | Concentrated sweet potato juice and production thereof |
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| CN100477927C true CN100477927C (en) | 2009-04-15 |
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Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101190039A (en) * | 2006-11-23 | 2008-06-04 | 黎福根 | Sweet potato beverage and preparation method thereof |
| CN101057698B (en) * | 2007-05-24 | 2010-08-11 | 陕西赛德高科生物股份有限公司 | Method for improving stability of concentrated fruit juice |
| CN101156670B (en) * | 2007-11-09 | 2010-05-19 | 华南理工大学 | A production process of nutrition health care roxburgh rose powder |
| CN101147614B (en) * | 2007-11-12 | 2011-06-15 | 赵义雄 | Sweet potato beverage and its preparation method |
| CN101849656B (en) * | 2010-05-13 | 2012-06-20 | 中国农业大学 | Method for producing purple sweet potato clarified juice |
| CN101933587A (en) * | 2010-09-17 | 2011-01-05 | 国投中鲁果汁股份有限公司 | Sweet potato clean juicing method |
| CN101946940B (en) * | 2010-09-17 | 2012-05-09 | 国投中鲁果汁股份有限公司 | Method for processing high-glycoprotein concentrated sweet potato clarified juice |
| CN101982103A (en) * | 2010-09-17 | 2011-03-02 | 国投中鲁果汁股份有限公司 | Method for producing improved sweet potato juicing |
| CN101999608B (en) * | 2010-10-19 | 2013-05-01 | 国投中鲁果汁股份有限公司 | Method for producing concentrated sweet potato clear juice |
| CN102349632B (en) * | 2011-09-29 | 2013-02-13 | 陕西海升果业发展股份有限公司 | Preparation method of concentrated clear sweet potato juice with high color value |
| CN102511852B (en) * | 2011-12-14 | 2014-02-05 | 陕西海升果业发展股份有限公司 | Concentrated purple sweet potato juice preparation method |
| CN103584235A (en) * | 2012-08-13 | 2014-02-19 | 烟台北方安德利果汁股份有限公司 | Processing method for overcoming desaccharification process in ultrafiltration during concentrated juice processing process |
| CN103349322A (en) * | 2013-06-18 | 2013-10-16 | 西北农林科技大学 | Method for enzymolysis liquefying of sweet potatoes to prepare concentrated juice |
| CN103519297B (en) * | 2013-10-08 | 2015-03-11 | 国投中鲁果汁股份有限公司 | High-efficiency energy-saving processing method of sweet potato juice |
| CN103750543B (en) * | 2014-01-17 | 2016-03-02 | 河南中烟工业有限责任公司 | The application of sweet potato aqueous extract in cigarette |
| CN105394483A (en) * | 2015-10-27 | 2016-03-16 | 国投中鲁果汁股份有限公司 | Processing method of concentrated jicama clear juice with good mouthfeel and stable color |
| CN105394500A (en) * | 2015-10-27 | 2016-03-16 | 国投中鲁果汁股份有限公司 | Processing method of concentrated jicama clear juice |
| US10231475B2 (en) * | 2015-10-27 | 2019-03-19 | Sdic Zhonglu Fruit Juice Co., Ltd. | Method for processing Pachyrhizus juice concentrate with good taste and stable color value |
| CN105595128A (en) * | 2016-01-14 | 2016-05-25 | 山东鲁菱果汁有限公司 | Concentrated clear celery juice and preparation method thereof |
| CN105747050A (en) * | 2016-05-06 | 2016-07-13 | 威海元盛生物科技有限公司 | Method for preparing purple sweet potato concentrated clear juice |
| CN106418055A (en) * | 2016-05-19 | 2017-02-22 | 乳山中诚果汁饮料有限公司 | Burdock juice with high synanthrin content and preparation method of burdock juice |
| CN105995261A (en) * | 2016-05-19 | 2016-10-12 | 乳山中诚果汁饮料有限公司 | Concentrated and clear jujube juice and preparation method |
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| CN1817194A (en) | 2006-08-16 |
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