CN110369116A - A method of selecting blueberry foreign matter - Google Patents
A method of selecting blueberry foreign matter Download PDFInfo
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- CN110369116A CN110369116A CN201910781565.0A CN201910781565A CN110369116A CN 110369116 A CN110369116 A CN 110369116A CN 201910781565 A CN201910781565 A CN 201910781565A CN 110369116 A CN110369116 A CN 110369116A
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- blueberry
- foreign matter
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B5/00—Washing granular, powdered or lumpy materials; Wet separating
- B03B5/28—Washing granular, powdered or lumpy materials; Wet separating by sink-float separation
- B03B5/30—Washing granular, powdered or lumpy materials; Wet separating by sink-float separation using heavy liquids or suspensions
- B03B5/36—Devices therefor, other than using centrifugal force
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B5/00—Washing granular, powdered or lumpy materials; Wet separating
- B03B5/28—Washing granular, powdered or lumpy materials; Wet separating by sink-float separation
- B03B5/30—Washing granular, powdered or lumpy materials; Wet separating by sink-float separation using heavy liquids or suspensions
- B03B5/44—Application of particular media therefor
- B03B5/442—Application of particular media therefor composition of heavy media
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- Storage Of Fruits Or Vegetables (AREA)
Abstract
The invention discloses a kind of methods for selecting blueberry foreign matter.The present invention realizes the screening that blueberry especially freezes blueberry using the white sand sugar juice of a certain concentration and temperature, the impurity such as efficient removal leaf, stalk, hair, sandstone.The shortcomings that the present invention overcomes blueberry pickout apparatus is realized using white granulated sugar solution temperature, density and viscosity and is selected the efficient low damage of blueberry；The epidermis that the use of pectinesterase effectively prevents blueberry is destroyed by high temperature and liquid glucose, promotes the integrity degree of blueberry after screening, while being extended the shelf-life, being improved the freexing tolerance of blueberry；CaCl2Use further reduced broken skin rate and extend the protection period, improve freexing tolerance.The present invention is simple and fast, selects high-efficient, is able to achieve the lossless of blueberry and selects, liquid glucose can Reusability, process costs are lower.
Description
Technical field
The present invention relates to a kind of methods for selecting blueberry foreign matter.
Background technique
Wild blueberry is longer than to the north of China Daxing'an Mountainrange among virgin forest, can resist subzero 50 DEG C of severe cold, and root is normal
Year is grown in frozen soil, and nutrient constituents of fruit is abundant.Wild blueberry nutritive value is high, is rare rare wild fruit.
Since Recovery condition limits, blueberry stalk and blueberry leaf, and other stones are contained in blueberry especially wild blueberry
The alien materials such as head, hair, usually using the screening of blueberry pickout apparatus or screening by hand.But existing blueberry pickout apparatus selects effect
Fruit is limited, is easy to mix a certain amount of foreign matter and is easy to damage blueberry；Manual screening efficiency is very low.Therefore, high efficiency,
Destroying small screening technique to Blueberry is the urgent need in the industry.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of blueberry selection method, specific summary of the invention is as follows:
A method of blueberry foreign matter is selected, is included the following steps:
(1) white granulated sugar and water that mass ratio is 1:5-1:6 are added in open containers；
(2) temperature of solution in container is adjusted to 40-45 DEG C, is stirred continuously during temperature adjustment, fills white granulated sugar
Divide dissolution；
(3) after reaching target temperature, blueberry is put into, constantly agitation 3-5min, mixes in and sticks on quick-frozen blueberry
Obstruct and bubble through the water column on leaf, blueberry is suspended in liquid glucose, and sandstone class contamination precipitation is in container bottom；
(4) stop agitation, the blueberry on the water surface is obstructed and is excluded with leaf, the blueberry to suspend in water is collected into draining.
After agitation stops, sandstone class impurity is deposited in container bottom completely；Liquid glucose can promote the density of solution, make leaf, stalk,
The impurity such as hair float, while blueberry being made to suspend；Liquid glucose is also equipped with certain viscosity, is easy blueberry in certain sugar concentration
It realizes and suspends in range.Higher temperature is conducive to the separation of leaf, stalk and blueberry.
Preferably, the blueberry is freezing blueberry.
Blueberry is easy to soften rotten under room temperature, is saved usually using quick-frozen mode, freezing conditions inferior lobe, stalk etc. stick together
Or it is frozen in blueberry surface, it is difficult to separate；Suitably heating can be such that the impurity such as leaf, stalk, dust separate with blueberry, and further lead to
It crosses and floats on liquid level in the variation of solution density.
Preferably, the pectinesterase of 0.03wt%-0.04wt% is added in the solution in step (2).
Pectinesterase can make the pectinesterase of blueberry especially blueberry epidermis, the proof tested through the invention, fruit
Glue methyl esterase can prevent the epidermis of blueberry from being destroyed by high temperature and liquid glucose, promote the integrity degree of blueberry after screening；Experiment also confirms fruit
Glue methyl esterase can extend screening after blueberry shelf-life and freexing tolerance.
Further preferably, the CaCl of 0.06wt%-0.08wt% is also added in the solution in step (2)2。
CaCl2Blueberry can be made to harden；The results show of the present invention, CaCl2Synergistic effect can be formed with pectinesterase,
It further decreases broken skin rate and extends the shelf life, improves freexing tolerance.
Preferably, the mass ratio of blueberry and water is 1:3-1:4.
Preferably, the mass ratio of the white granulated sugar and water is 1:5.
Preferably, the temperature of solution is adjusted to 45 DEG C in step (2).
Beneficial effects of the present invention are as follows:
The shortcomings that the present invention overcomes blueberry pickout apparatus, is realized using white granulated sugar solution temperature, density and viscosity to indigo plant
The efficient low damage that the certain kind of berries especially freezes blueberry is selected；The use of pectinesterase effectively prevents the epidermis of blueberry by high temperature and sugar
Liquid destroys, and promotes the integrity degree of blueberry after screening, while extending the shelf-life, improving the freexing tolerance of blueberry；CaCl2Use
It further reduced broken skin rate and extend the protection period, improve freexing tolerance.The present invention is simple and fast, selects high-efficient, energy reality
Existing the lossless of blueberry selects, liquid glucose can Reusability, process costs are lower.
Specific embodiment
Principles and features of the present invention are described below in conjunction with example, the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the invention.
Blueberry in embodiment is not selected fast-freezed wild blueberry, after picking -20 DEG C it is quick-frozen, cooling time is 1 year.
White granulated sugar, CaCl in embodiment2For commercially available common material；Pectinesterase is bought from Dutch Royal DSM company, type
Number PEP pectinesterase, vigor 5000PEU/g；What is used selects container as opening jacketed pan, buys from Tai'an Puri spy's machine
Tool Manufacturing Co., Ltd, model 300L/0.25MPa.
Embodiment 1
A method of blueberry foreign matter is selected, is included the following steps:
(1) white granulated sugar and water that mass ratio is 1:6 are added in opening jacketed pan；
(2) temperature of solution in jacketed pan that will be open is increased to 42 DEG C, is stirred continuously in temperature-rise period, keeps white granulated sugar abundant
Dissolution；
(3) after reaching target temperature, blueberry is put into, constantly agitation 5min；The mass ratio of blueberry and water is 1:3；
(4) stop agitation, the blueberry on the water surface is obstructed and is excluded with leaf, the blueberry to suspend in water is collected into draining.
Embodiment 2
A method of blueberry foreign matter is selected, is included the following steps:
(1) white granulated sugar and water that mass ratio is 1:5 are added in opening jacketed pan；
(2) temperature of solution in jacketed pan that will be open is increased to 40 DEG C, is stirred continuously in temperature-rise period, keeps white granulated sugar abundant
Dissolution；
(3) after reaching target temperature, blueberry is put into, constantly agitation 3min；The mass ratio of blueberry and water is 1:4；
(4) stop agitation, the blueberry on the water surface is obstructed and is excluded with leaf, the blueberry to suspend in water is collected into draining.
Embodiment 3
A method of blueberry foreign matter is selected, is included the following steps:
(1) white granulated sugar and water that mass ratio is 1:5 are added in opening jacketed pan；
(2) temperature of solution in jacketed pan that will be open is increased to 45 DEG C, is stirred continuously in temperature-rise period, keeps white granulated sugar abundant
Dissolution；
(3) after reaching target temperature, blueberry is put into, constantly agitation 4min；The mass ratio of blueberry and water is 1:4；
(4) stop agitation, the blueberry on the water surface is obstructed and is excluded with leaf, the blueberry to suspend in water is collected into draining.
Embodiment 4
A method of blueberry foreign matter is selected, is included the following steps:
(1) white granulated sugar and water that mass ratio is 1:5 are added in opening jacketed pan；
(2) temperature of solution in jacketed pan that will be open is increased to 45 DEG C, is stirred continuously in temperature-rise period, and in whipping process
The middle pectinesterase that the 0.03wt% in terms of solution is added, dissolves white granulated sugar sufficiently and enzyme is made to be uniformly dispersed；
(3) after reaching target temperature, blueberry is put into, constantly agitation 4min；The mass ratio of blueberry and water is 1:4；
(4) stop agitation, the blueberry on the water surface is obstructed and is excluded with leaf, the blueberry to suspend in water is collected into draining.
Embodiment 5
A method of blueberry foreign matter is selected, is included the following steps:
(1) white granulated sugar and water that mass ratio is 1:5 are added in opening jacketed pan；
(2) temperature of solution in jacketed pan that will be open is increased to 45 DEG C, is stirred continuously in temperature-rise period, and in whipping process
The middle pectinesterase that the 0.04wt% in terms of solution is added, dissolves white granulated sugar sufficiently and enzyme is made to be uniformly dispersed；
(3) after reaching target temperature, blueberry is put into, constantly agitation 4min；The mass ratio of blueberry and water is 1:4；
(4) stop agitation, the blueberry on the water surface is obstructed and is excluded with leaf, the blueberry to suspend in water is collected into draining.
Embodiment 6
A method of blueberry foreign matter is selected, is included the following steps:
(1) white granulated sugar and water that mass ratio is 1:5 are added in opening jacketed pan；
(2) temperature of solution in jacketed pan that will be open is increased to 45 DEG C, is stirred continuously in temperature-rise period, and in whipping process
The CaCl of the middle pectinesterase that the 0.04wt% in terms of solution is added and 0.06wt%2, dissolve white granulated sugar sufficiently and make enzyme point
It dissipates uniform；
(3) after reaching target temperature, blueberry is put into, constantly agitation 4min；The mass ratio of blueberry and water is 1:4；
(4) stop agitation, the blueberry on the water surface is obstructed and is excluded with leaf, the blueberry to suspend in water is collected into draining.
Embodiment 7
A method of blueberry foreign matter is selected, is included the following steps:
(1) white granulated sugar and water that mass ratio is 1:5 are added in opening jacketed pan；
(2) temperature of solution in jacketed pan that will be open is increased to 45 DEG C, is stirred continuously in temperature-rise period, and in whipping process
The CaCl of the middle pectinesterase that the 0.04wt% in terms of solution is added and 0.08wt%2, dissolve white granulated sugar sufficiently and make enzyme point
It dissipates uniform；
(3) after reaching target temperature, blueberry is put into, constantly agitation 4min；The mass ratio of blueberry and water is 1:4；
(4) stop agitation, the blueberry on the water surface is obstructed and is excluded with leaf, the blueberry to suspend in water is collected into draining.
Experiment
Experiment 1
The blueberry breakage rate of comparative example 3-7, the breakage rate are the mass ratio that pericarp breakage blueberry accounts for blueberry total amount
Example；
The shelf-life of comparative example 3-7, the shelf-life are after rejecting damaged blueberry, under 4 DEG C of refrigerated conditions
10wt% blueberry it is soft rotten or mildew time；
The freexing tolerance of comparative example 3-7, specific method are to reject the damaged blueberry in blueberry obtained by embodiment 3-7
Afterwards, it freezes under the conditions of -20 DEG C 6 months, then its shelf-life at 4 DEG C is investigated again, the shelf-life is 4 DEG C of refrigerations
Under the conditions of 10wt% blueberry it is soft rotten or mildew time.
The above experimental result is shown in Table 1.
1 breakage rate of table, shelf-life, freexing tolerance contrast table
| Embodiment 3 | Embodiment 4 | Embodiment 5 | Embodiment 6 | Embodiment 7 | |
| Breakage rate (wt%) | 12.8 | 4.2 | 3.5 | 2.1 | 2.3 |
| Shelf-life (h) | 26 | 68 | 75 | 80 | 83 |
| Shelf-life (h) after freezing 6 months | 8 | 53 | 55 | 68 | 76 |
Raw material blueberry used in embodiment freezes 1 year.Freezing, liquid glucose, high temperature cause the destruction of texture to blueberry,
Lead to certain breakage rate, and leads to shortened shelf life.The raising of temperature can improve the screening efficiency of blueberry, make blueberry leaf faster
Speed is detached from, but breakage rate can be made to increase.As shown in table 1, when liquid glucose temperature is promoted to 45 DEG C, although improving screening efficiency,
There are still certain breakage rates, and the shelf-life is shorter, are suitble to process immediately, it is difficult to be sold again；It guarantees the quality after freezing again
Phase is shorter, and freexing tolerance is undesirable.The results show, the use of pectinesterase effectively prevents blueberry in embodiment 4,5
Epidermis is destroyed by high temperature and liquid glucose, promotes the integrity degree of blueberry after screening, while significantly being extended the shelf-life, being improved resistance to jelly
Property；CaCl in embodiment 6,72Use further reduced broken skin rate and extend the protection period, improve freexing tolerance.Pectin first
Esterase, CaCl2Use can support screening temperature appropriateness increase, to improve screening efficiency.
Experiment 2
Verify different white granulated sugar dosages and influence of the liquid glucose temperature to screening, 40 DEG C of liquid glucose temperature of verifying, blueberry and water quality
Amount is shown in Table 2 than influencing for different proportion liquid glucose under the conditions of 1:4 on the screening of blueberry；Verify white granulated sugar and water quality ratio be 1:5,
Blueberry, than influencing for liquid glucose temperature different under the conditions of 1:4 on the screening of white granulated sugar, is shown in Table 3 from water quality.
Different proportion liquid glucose influences (screening time 3min) to the screening of blueberry under the conditions of 2 40 DEG C of table
| The ratio of white granulated sugar and water | Blueberry situation | The case where blueberry leaf |
| 1:15 | It becomes scattered about in liquid glucose | It does not float |
| 1:10 | It is suspended in liquid glucose | Fraction floats |
| 1:5 | It is suspended in liquid glucose | All floatings |
| 3:10 | Part blueberry floats | All floatings |
| 3:5 | Whole blueberries float | All floatings |
3 white granulated sugar of table is from water quality than influencing (screening time to the screening of white granulated sugar for liquid glucose temperature different under the conditions of 1:5
3min)
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of method for selecting blueberry foreign matter, which comprises the steps of:
(1) white granulated sugar and water that mass ratio is 1:5-1:6 are added in a reservoir；
(2) temperature of solution in container is adjusted to 40-45 DEG C, is stirred continuously during temperature adjustment, keeps white granulated sugar sufficiently molten
Solution；
(3) after reaching target temperature, blueberry is put into, constantly agitation 3-5min；
(4) stop agitation, the blueberry on the water surface is obstructed and is excluded with leaf, the blueberry to suspend in water is collected into draining.
2. the method according to claim 1 for selecting blueberry foreign matter, which is characterized in that the blueberry is freezing blueberry.
3. the method according to claim 1 for selecting blueberry foreign matter, which is characterized in that added in the solution in step (2)
Pectinesterase.
4. the method according to claim 3 for selecting blueberry foreign matter, which is characterized in that pectin in the solution in step (2)
The additive amount of methyl esterase is 0.03wt%-0.04wt%.
5. the method according to claim 3 or 4 for selecting blueberry foreign matter, which is characterized in that in the solution in step (2) also
Add the CaCl of 0.06wt%-0.08wt%2。
6. the method according to claim 1 for selecting blueberry foreign matter, which is characterized in that the mass ratio of blueberry and water is 1:3-
1:4。
7. the method according to claim 1 for selecting blueberry foreign matter, which is characterized in that the mass ratio of the white granulated sugar and water
For 1:5.
8. the method according to claim 1 for selecting blueberry foreign matter, which is characterized in that by the temperature of solution in step (2)
It is adjusted to 45 DEG C.
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|---|---|---|---|
| CN201910781565.0A CN110369116B (en) | 2019-08-23 | 2019-08-23 | Method for selecting blueberry foreign matters |
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|---|---|---|---|
| CN201910781565.0A CN110369116B (en) | 2019-08-23 | 2019-08-23 | Method for selecting blueberry foreign matters |
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| CN110369116A true CN110369116A (en) | 2019-10-25 |
| CN110369116B CN110369116B (en) | 2021-11-30 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB180658A (en) * | 1921-05-27 | 1923-08-03 | Warren Seed Cleaning Company | Method of and apparatus for separating mixed bodies of different specific gravity |
| JP2004237683A (en) * | 2003-02-10 | 2004-08-26 | Tokai Rubber Ind Ltd | Method for separating and recovering polymeric material of laminate |
| CN102861660A (en) * | 2012-10-09 | 2013-01-09 | 攀枝花学院 | Nondestructive separating method for mixture of copper wires and scum |
| CN107259591A (en) * | 2017-07-29 | 2017-10-20 | 湖南大三湘油茶生态产业有限公司 | The camellia oleifera fruit heat treatment method of FLOTATION SEPARATION |
| CN207450306U (en) * | 2017-11-06 | 2018-06-05 | 澄江星星蓝莓农民专业合作社 | The screening of Blueberry and equipment integrating is packed automatically |
-
2019
- 2019-08-23 CN CN201910781565.0A patent/CN110369116B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB180658A (en) * | 1921-05-27 | 1923-08-03 | Warren Seed Cleaning Company | Method of and apparatus for separating mixed bodies of different specific gravity |
| JP2004237683A (en) * | 2003-02-10 | 2004-08-26 | Tokai Rubber Ind Ltd | Method for separating and recovering polymeric material of laminate |
| CN102861660A (en) * | 2012-10-09 | 2013-01-09 | 攀枝花学院 | Nondestructive separating method for mixture of copper wires and scum |
| CN107259591A (en) * | 2017-07-29 | 2017-10-20 | 湖南大三湘油茶生态产业有限公司 | The camellia oleifera fruit heat treatment method of FLOTATION SEPARATION |
| CN207450306U (en) * | 2017-11-06 | 2018-06-05 | 澄江星星蓝莓农民专业合作社 | The screening of Blueberry and equipment integrating is packed automatically |
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| Publication number | Publication date |
|---|---|
| CN110369116B (en) | 2021-11-30 |
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