CN109090418A - A kind of technique based on the production juice of high-pressure pulse electric twice - Google Patents
A kind of technique based on the production juice of high-pressure pulse electric twice Download PDFInfo
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- CN109090418A CN109090418A CN201810896515.2A CN201810896515A CN109090418A CN 109090418 A CN109090418 A CN 109090418A CN 201810896515 A CN201810896515 A CN 201810896515A CN 109090418 A CN109090418 A CN 109090418A
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- juice
- pressure pulse
- pulse electric
- fruits
- electric
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L2/00—Non-alcoholic beverages; Dry compositions or concentrates therefor; Their preparation
- A23L2/42—Preservation of non-alcoholic beverages
- A23L2/50—Preservation of non-alcoholic beverages by irradiation or electric treatment without heating
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- Health & Medical Sciences (AREA)
- Nutrition Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Polymers & Plastics (AREA)
- Non-Alcoholic Beverages (AREA)
- Food Preservation Except Freezing, Refrigeration, And Drying (AREA)
Abstract
The invention discloses a kind of based on the processing of high-pressure pulse electric twice, the technique for producing the juice of high nutrition content.The method of the present invention is in the production process of juice, first (0.1~10 kV/cm) is handled with the high-pressure pulse electric of lower electric field strength, destroy plant cell structures, improve the leaching rate of juice-extracting process bioactive substance, (1~100 kV/cm) is handled using the high-pressure pulse electric of higher field intensity, kills the microorganism in juice.The leaching rate of bioactive substance in plant cell (such as polyphenol, flavones, anthocyanidin) can be improved in the present invention, significantly improves the antioxidant activity of final products.Meanwhile high-pressure pulse electric sterilization effect is good, only increases the temperature (5~10 DEG C) of material on a small quantity, can keep flavor and the nutrition of juice to greatest extent.
Description
Technical field
The present invention relates to a kind of production technologies based on the processing juice of high-pressure pulse electric twice, belong to processing of farm products
Field.
Background technique
As the improvement of people's living standards, the non-concentrated sales volume for going back original fruit juice in China is also in sustainable growth.Existing squeezing
Juice mode cannot sufficiently extract the bioactive substance in fruits and vegetables, cause biggish nutrition waste.Meanwhile it existing killing
Bacterium mode is usually heat sterilization and ultra high pressure treatment.Heat sterilization needs to consume biggish energy, and can destroy fresh fruit of vegetables
The nutrition of juice and flavor；And ultra high pressure treatment operation industrialization continuous production difficult to realize.
High-pressure pulse electric makes cell membrane generate perforation effect as a kind of non-thermal technology mode using transient pulse high pressure
It answers, to increase the permeability of cell, and kills cell.Electric field strength needed for killing various sizes of cell is different: plant
Cell size is larger, can produce perforation effect using lower electric field strength；Microbial cell size is smaller, needs higher
Electric field strength could generate lethal effect.Therefore, using the high-pressure pulse electric of different electric field strengths, one kind is acted not only as
Cold sterilization technology keeps the original flavor of juice and nutrition, at the same time it can also improve the infiltration of bioactive substance in fruits and vegetables
Out, the content of nutriment in juice is improved.
Summary of the invention
The present invention provides a kind of processing method using the production juice of high-pressure pulse electric twice, first using compared with existing fringing field
The high-pressure pulse electric of intensity handles (0.1~10 kV/cm), destroys plant cell structures, increases bioactivity in juice-extracting process
Then the exudation of substance handles (20~100 kV/cm) using the high-pressure pulse electric of higher field intensity, kill in juice
Microorganism.According to the microbe species that different fruits and vegetables and needs are killed, high-pressure pulse electric two electrode plates distance is 1~5
Cm, processing time are 10 s of μ s~10, and pulse frequency is 10~300 Hz, and pulse width is 1~100 μ s, and number of pulses is
1~300.
The invention has the advantages that destroying plant cell using high-pressure pulse electric before juicing, juice is improved
The content of middle bioactive substance recycles high-pressure pulse electric to kill the microorganism in juice after juicing.Compared to tradition
Heat treatment mode, high-voltage pulse electric field energy keeps nutrition and the flavor components of juice to greatest extent, while also having place
The reason time is short, and consume energy low advantage.
Detailed description of the invention
Fig. 1 is the process flow diagram using the processing method of the production juice of high-pressure pulse electric twice.
Specific embodiment
The following describes the present invention in detail with reference to the accompanying drawings and embodiments.
Embodiment
Flow chart referring to Fig.1, the step for joined microbe inoculation to verify the bactericidal effect of high-pressure pulse electric,
Specific step is as follows.
(1) pre-process: fresh cabernet sauvignon grape debranching removes decayed fruit, is cleaned with clear water.
(2) it is crushed: being beaten clean grape with beater.
(3) first time high-pressure pulse electric is handled: grape pulp flows through two electrode plate of high-pressure pulse electric, and two electrode plates are long
Degree is 8 cm, and spacing is 2 cm, and flow velocity is 50 kg/h, and under this flow velocity, the processing time of high-pressure pulse electric is about 1 s.If
Setting electric field strength is 10 kV, i.e. 5 kV/cm, pulse frequency is 120 Hz, number of pulses 50.
(4) it squeezes the juice: pulp is squeezed the juice, fruit juice removes pomace into the processing of lower step.
(5) clarify: fruit juice is carried out clarifying treatment by the mode of filtering.
(6) microbe inoculation: inoculation yeast bacterium is in grape juice to measure the sterilizing ability of high-pressure pulse electric.Inoculation is about
106The Bayer Zygosaccharomyces vegetative cell (Zygosaccharomyces bailii, ATCC 36947) of CFU/mL, and about 105
CFU/mL spore.
(7) second of high-pressure pulse electric processing: grape juice flows through two electrode plate of high-pressure pulse electric, and two electrode plates are long
Degree is 8 cm, and spacing is 2 cm, and flow velocity is 30 kg/h, and under this flow velocity, the processing time of high-pressure pulse electric is about 1.6 s.
Setting electric field strength is 70 kV, i.e. 35 kV/cm, pulse frequency is 120 Hz, number of pulses 50.
(8) treated fruit juice is collected, total phenol content, anthocyanidin content, Bayer Zygosaccharomyces and its spore quantity are measured.
Wherein, total phenol content result is indicated (GAE mg/L) with gallic acid equivalant, and saccharomycete vegetative cell and spore reduction amount are with right
Numerical value indicates (log10CFU/mL).Control group is that new fresh grape is preprocessed, is crushed, and is squeezed the juice, clarification, after microbe inoculation
Fruit juice.
The results are shown in Table 1.Compared with the control group handled without high-pressure pulse electric, treated for high-pressure pulse electric
Total phenol content improves 46% in grape juice, and anthocyanidin content improves 32%, while having to Bayer Zygosaccharomyces and its spore bright
Aobvious killing effect.
Total phenol, anthocyanidin content in grape juice after 1. different disposal of table, Bayer Zygosaccharomyces and its spore reduction amount.
| Processing mode | Total phenol content (GAE mg/L) | Anthocyanidin content (mg/L) | Yeast reduction amount (log10) | Spore reduction amount (log10) |
| Control group | 3860 | 1170 | 0.2 | 0.1 |
| High-pressure pulse electric processing group | 5630 | 1547 | 4.8 | 3.3 |
Above embodiments are only application example of the invention, are not intended to restrict the invention, it is all in spirit of the invention and
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within principle.
Claims (4)
1. a kind of fruits and vegetables juice manufacturing technique, which comprises the following steps:
(1) fruits and vegetables pre-process: removal impurity and decayed fruit clean up；
(2) it is crushed: fruits and vegetables is crushed, form fluid fruit, vegetable juice；
(3) first time high-pressure pulse electric is handled: being destroyed plant cell structures, is improved bioactive substance leaching rate；
(4) it squeezes the juice: fruit, vegetable juice is squeezed the juice；
(5) it clarifies: the impurity such as removal pomace；
(6) second of high-pressure pulse electric processing: the microorganism in juice is killed, safety is improved and extends the shelf life；
(7) it encapsulates: by manufactured juice tinning, packaging.
2. fruits and vegetables juice manufacturing technique according to claim 1, which is characterized in that in the step (3), high-pressure pulse electric
Purpose is to destroy plant cell structures, improves juice-extracting process bioactive substance leaching rate, and electric field strength is 0.1~10 kV/
Cm, high-pressure pulse electric two electrode plates distance are 1~5 cm, and the processing time is 10 s of μ s~10, and pulse frequency is 10~300
Hz, pulse width are 1~100 μ s, and number of pulses is 1~300.
3. fruits and vegetables juice manufacturing technique according to claim 1, which is characterized in that in the step (6), high-pressure pulse electric
Purpose is to destroy microbial cell structure, and electric field strength is 20~100 kV/cm, and high-pressure pulse electric two electrode plates distance is 1
~5 cm, processing time are 10 s of μ s~10, and pulse frequency is 10~300 Hz, and pulse width is 1~100 μ s, umber of pulse
Amount is 1~300.
4. juice made from preparation method as claimed in any one of claims 1 to 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810896515.2A CN109090418A (en) | 2018-08-08 | 2018-08-08 | A kind of technique based on the production juice of high-pressure pulse electric twice |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810896515.2A CN109090418A (en) | 2018-08-08 | 2018-08-08 | A kind of technique based on the production juice of high-pressure pulse electric twice |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109090418A true CN109090418A (en) | 2018-12-28 |
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ID=64848958
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810896515.2A Pending CN109090418A (en) | 2018-08-08 | 2018-08-08 | A kind of technique based on the production juice of high-pressure pulse electric twice |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111329054A (en) * | 2020-03-10 | 2020-06-26 | 广东健微营养科技有限公司 | A nutritional preparation containing Haematococcus pluvialis and its preparation method |
| CN111481040A (en) * | 2020-04-26 | 2020-08-04 | 珠海格力电器股份有限公司 | Method for improving fruit and vegetable juicing rate and fruit and vegetable pretreatment device |
| CN112237254A (en) * | 2020-09-30 | 2021-01-19 | 江苏大学 | Method for pretreating fried fruit and vegetable crisp chips based on high-voltage pulse electric field device |
| CN113854533A (en) * | 2021-09-30 | 2021-12-31 | 湖南华诚生物资源股份有限公司 | Method for preparing mogroside, momordica grosvenori phenolic acid and momordica grosvenori concentrated juice from fresh momordica grosvenori |
-
2018
- 2018-08-08 CN CN201810896515.2A patent/CN109090418A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111329054A (en) * | 2020-03-10 | 2020-06-26 | 广东健微营养科技有限公司 | A nutritional preparation containing Haematococcus pluvialis and its preparation method |
| CN111329054B (en) * | 2020-03-10 | 2022-07-26 | 广东健微营养科技有限公司 | A nutritional preparation containing Haematococcus pluvialis and its preparation method |
| CN111481040A (en) * | 2020-04-26 | 2020-08-04 | 珠海格力电器股份有限公司 | Method for improving fruit and vegetable juicing rate and fruit and vegetable pretreatment device |
| CN111481040B (en) * | 2020-04-26 | 2021-08-20 | 珠海格力电器股份有限公司 | Method for improving fruit and vegetable juicing rate and fruit and vegetable pretreatment device |
| CN112237254A (en) * | 2020-09-30 | 2021-01-19 | 江苏大学 | Method for pretreating fried fruit and vegetable crisp chips based on high-voltage pulse electric field device |
| CN113854533A (en) * | 2021-09-30 | 2021-12-31 | 湖南华诚生物资源股份有限公司 | Method for preparing mogroside, momordica grosvenori phenolic acid and momordica grosvenori concentrated juice from fresh momordica grosvenori |
| CN113854533B (en) * | 2021-09-30 | 2023-09-05 | 湖南华诚生物资源股份有限公司 | A method for preparing mogroside, mogrolic acid, fructus Siraitiae Grosvenorii concentrated juice and fructus Siraitiae Grosvenorii fructose from fresh fructus Siraitiae Grosvenorii |
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| PB01 | Publication | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20201209 Address after: 400715 No. 2, natural road, Beibei District, Chongqing Applicant after: SOUTHWEST University Address before: No.30, Section 2, Xihuan Road, Yilong County, Nanchong City, Sichuan Province Applicant before: Luo Wei |
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| TA01 | Transfer of patent application right | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20181228 |
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| WD01 | Invention patent application deemed withdrawn after publication |