CN103923226B - A kind of preprocessing method of raw materials prepared for pectin - Google Patents
A kind of preprocessing method of raw materials prepared for pectin Download PDFInfo
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- CN103923226B CN103923226B CN201410168407.5A CN201410168407A CN103923226B CN 103923226 B CN103923226 B CN 103923226B CN 201410168407 A CN201410168407 A CN 201410168407A CN 103923226 B CN103923226 B CN 103923226B
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Abstract
The present invention relates to a kind of preprocessing method of raw materials prepared for pectin, including: 1. choose and weigh raw material, clean, rub, be dried；2. add aqueous slkali, soak, filter；3. add alcoholic solution, utilize high voltage pulse electric field processing；4. squeeze and filter, cleans with water, then squeeze and filter, and the raw material obtained is the raw material through pretreatment, is used for preparing pectin.The method can effectively remove calcium, ferrum etc. and close the metal ion of pectin, and can effectively remove the pigment in raw material and lipid components, and the method is simple, extraction ratio is high, best in quality, low cost and greatly reduce pollution on the environment.
Description
Technical field
The present invention relates to the process of a kind of raw material of pectin production processing technique field, be specifically related to a kind of for fruit
Preprocessing method of raw materials prepared by glue.
Background technology
Pectin is a kind of natural polymer in plant cell wall, as thickening agent, gellant, emulsifying agent or
Stabilizer, is widely used in various food, medicine and cosmetics.It is reported, the whole world disappears in pectin year at present
Expense is 45000 tons, every year with 20% speed increase.China consumes about more than 1500t pectin every year, and 80%
Dependence on import, demand compared with world average level in rapid growth trend.
In nature, pectin is present in plant with water-fast fruit form of collagen, wherein Citrus, Fructus Mali pumilae,
Fructus Citri Limoniae, Fructus Citri grandis, Rhizoma Dioscoreae esculentae, Helianthi, Fructus Cucurbitae moschatae equal size are higher, particularly Pectin from Orange Peel content up to
10-30%, content about 15% in pomace.
High-pressure pulse electric is the non-heat treated technology being surging forward in recent years, in terms of processing heat-sensitive substance
Having big advantage, be widely used in commercial sterilization, high-pressure pulse electric can successfully destroy and plant simultaneously
Thing cell membrane, and achieve remarkable result in terms of increasing intracellular matter dissolution.
The raw material preparing pectin the most all contains the metal ion such as more pigment and calcium ferrum, and some raw materials also contain
There is substantial amounts of lipid components, it is difficult to removing, will remain too much will be to the color and luster of pectin, purity and quality
Produce a very large impact.Traditional pectin extraction method has a lot, but generally exists time-consuming, and operation complexity carries
Take rate low, the problems such as cost is high, pollution.
Summary of the invention
It is an object of the invention to provide a kind of preprocessing method of raw materials prepared for pectin, the method can have
Effect removes calcium, ferrum etc. and closes the metal ion of pectin, and can have the pigment in raw material and lipid components
Effect removing, and the method is simple, extraction ratio is high, best in quality, low cost and greatly reduce right
The pollution that environment causes, effectively overcomes pectin extraction rate in prior art the highest, during raw material and extraction
The pectin finished product purity that the impurities left such as pigment, inorganic salt, lipid components cause is the highest, color and luster is dark yellow, product
The deficiencies such as matter is poor, quality is unstable.
It is an object of the invention to be achieved through the following technical solutions:
A kind of preprocessing method of raw materials prepared for pectin, described preprocessing method of raw materials comprises the following steps:
1. choose and weigh the raw material making pectin, clean, rub, be dried；
2. to step 1. in dried raw material adds aqueous slkali, described aqueous slkali is the 3～12 of raw material volume
Times, 15～35 DEG C are soaked 0.5～2h, filter, and remove aqueous slkali；
3. adding alcoholic solution in the raw material after step 2. middle filtration, described alcoholic solution is the 3～12 of raw material volume
Times, utilizing high voltage pulse electric field processing, the electric field intensity of this high-pressure pulse electric is 10 to 20kV/cm,
Umber of pulse is 2～10, and temperature is 30～60 DEG C；
4. by step 3. in raw material after high voltage pulse electric field processing carry out squeeze and filter, carry out clearly with water
Washing 1～3 time, then squeeze and filter, the raw material obtained is the raw material through pretreatment, is used for preparing pectin.
Further, described raw material includes Citrus, Fructus Mali pumilae, Fructus Citri Limoniae, Fructus Citri grandis, Rhizoma Dioscoreae esculentae, Helianthi and south
The fruit of one or more in melon, peel or marc.
Further, step 1. described in dry including dry or dry.
Further, step 2. described in aqueous slkali be the water-soluble of mass fraction alkali between 0.1～5%
Liquid.
Further, the aqueous solution of described alkali includes sodium hydrate aqueous solution, potassium hydroxide aqueous solution or ammonia
Solution.
Further, step 2. in added amount is raw material volume number 5～8 times of aqueous slkali；Step is 3.
Amount is raw material volume number 5～8 times of middle added alcoholic solution.
Further, step 3. described in alcoholic solution be mass fraction alcoholic solution between 40～80%.
Further, described alcoholic solution includes methanol solution or ethanol solution.
Further, step 3. in raw material after high voltage pulse electric field processing squeeze and filter with 20～40
DEG C water be carried out.
Further, the water content of the raw material after step 3. middle process is between 60%～85%.
The invention provides a kind of preprocessing method of raw materials prepared for pectin, it is compared with prior art led
There is some substantial advance significantly following.
1, the present invention is simple to operate, it is possible to achieve industrialization automatically controls, beneficially the enforcement of subsequent handling,
Pectin extraction rate is high, and best in quality, applicable industrialization produces continuously；
2, the present invention use dilute alkaline soln process can well remove the metal such as part soluble impurity and calcium ferrum from
Son, softens raw material simultaneously, it is simple to the further process of subsequent technique；
3, the high voltage pulse electric field processing technology that the present invention uses belongs to non-heat treated technology, utilize high potential and
The impulse electric field of not high electric current, in processing procedure, temperature is relatively low, can avoid pectin composition under hot conditions
Degraded.Use alcoholic solution as solvent simultaneously, can effectively dissolve fat-soluble pigment and lipid components etc. miscellaneous
Matter, can significantly improve pectin quality.
4, the inventive method extract just eliminate before pectin major part ash, inorganic salt, sugar, pigment,
The impurity such as lipid components, compare and use activated carbon, hydrogen peroxide etc. to decolour after pectin extraction with other major parts
The method of remove impurity, effect is obvious, can substantially reduce impurity, reduce the system viscosity in subsequent handling, have
It is beneficial to the continual and steady of following process, reduces energy consumption, improve pectin extraction rate, the quality of pectin product
Very good stable.
Detailed description of the invention
A kind of preprocessing method of raw materials prepared for pectin described in the embodiment of the present invention, described raw material is located in advance
Reason method comprises the following steps: 1. choose and weigh the raw material making pectin, cleans, and rubs, and is dried；②
To step 1. in dried raw material adds aqueous slkali, described aqueous slkali is 3～12 times of raw material volume,
15～35 DEG C are soaked 0.5～2h, filter, and remove aqueous slkali；3. the raw material after step 2. middle filtration adds
Alcoholic solution, described alcoholic solution is 3～12 times of raw material volume, utilizes high voltage pulse electric field processing, this high-tension pulse
The electric field intensity rushing electric field is 10 to 20kV/cm, and umber of pulse is 2～10, and temperature is 30～60 DEG C；4. will
Step 3. in raw material after high voltage pulse electric field processing carry out squeeze and filter, be carried out 1～3 time with water,
Squeeze and filter again, the raw material obtained is the raw material through pretreatment, is used for preparing pectin.
As it is further preferred that described raw material includes Citrus, Fructus Mali pumilae, Fructus Citri Limoniae, Fructus Citri grandis, Rhizoma Dioscoreae esculentae, Xiang
One or more fruits in certain herbaceous plants with big flowers and Fructus Cucurbitae moschatae etc. or the peel of one or more fruits or marc.
As it is further preferred that step 2. described in aqueous slkali be mass fraction alkali between 0.1～5%
Aqueous solution.The aqueous solution of described alkali includes sodium hydrate aqueous solution, potassium hydroxide aqueous solution or ammonia spirit.
As it is further preferred that step 3. described in alcoholic solution be mass fraction alcohol between 40～80%
Solution.Described alcoholic solution includes that methanol solution or ethanol solution, alcoholic solution of the present invention refer both to alcohol
Aqueous solution.
As it is further preferred that step 3. in raw material after high voltage pulse electric field processing squeeze and filter
It is carried out with the water of 20～40 DEG C.
As it is further preferred that step 3. in process after the water content of raw material be between 60%～85%.
As a example by specific experiment case, detailed description of the invention is described below, it will be appreciated that described herein
Specific embodiment only in order to explain the present invention, is not intended to limit the present invention.
Embodiment 1
1. orange peel is carried out, rubs, dry；2. orange peel after drying adds matter
Amount mark is the sodium hydrate aqueous solution of 0.5%, and the addition of this sodium hydrate aqueous solution is orange peel volume
5 times, 25 DEG C soak 0.5h, filter；Remove sodium hydrate aqueous solution；3. the citrus fruit after filtering
Adding mass fraction in skin is the ethanol solution of 40%, and the addition of this ethanol solution is orange peel volume
5 times, with high voltage pulse electric field processing, electric field intensity used is 12kV/cm, and umber of pulse is 6, temperature
It is 40 DEG C, then carries out squeeze and filter, with the washing 1 time of 30 DEG C, squeeze and filter, the orange peel obtained
Being the orange peel through pretreatment, its water content is 75%～85%.Pectin production work the most routinely
Skill carries out acid and carries, filters, concentrates, precipitates, is dried and the processing step such as pulverizing, obtains colory fruit
Glue.
Embodiment 2
1. Fructus Mali pumilae marc is carried out, rubs, dry；2. the Fructus Mali pumilae marc after drying adds matter
Amount mark is the sodium hydrate aqueous solution of 0.5%, and the addition of this sodium hydrate aqueous solution is orange peel volume
10 times, 20 DEG C soak 2h, filter；Remove sodium hydrate aqueous solution；3. the Fructus Mali pumilae marc after filtering
Middle addition mass fraction is the ethanol solution of 70%, and the addition of this ethanol solution is the 10 of Fructus Mali pumilae marc volume
Times, with high voltage pulse electric field processing, electric field intensity used is 18kV/cm, and umber of pulse is 12, and temperature is
60 DEG C, then carrying out squeeze and filter, with the washing 2 times of 20 DEG C, squeeze and filter, the Fructus Mali pumilae marc obtained is i.e.
For the Fructus Mali pumilae marc through pretreatment, its water content is 65%～75%.Process for producing pectin the most routinely
Carry out acid to carry, filter, concentrate, precipitate, be dried and the processing step such as pulverizing, obtain colory pectin.
Embodiment 3
1. Helianthi marc is carried out, rubs, oven drying at low temperature；2. the Helianthi marc after drying
Middle addition mass fraction is the potassium hydroxide aqueous solution of 2%, and the addition of this potassium hydroxide aqueous solution is citrus fruit
8 times of skin volume, 30 DEG C are soaked 1h, filter；Remove potassium hydroxide aqueous solution；3. to filter after to
Adding mass fraction in day certain herbaceous plants with big flowers marc is the methanol solution of 60%, and the addition of this methanol solution is Helianthi fruit
8 times of slag volume, with high voltage pulse electric field processing, electric field intensity used is 18kV/cm, and umber of pulse is
8, temperature is 50 DEG C, then carries out squeeze and filter, with the washing 3 times of 40 DEG C, squeeze and filter, obtains
Helianthi marc is the Helianthi marc through pretreatment, and its water content is 60%～65%.The most again by often
Rule process for producing pectin carries out acid and carries, filters, concentrates, precipitates, is dried and the processing step such as pulverizing, obtains
Colory pectin.
The present invention is not limited to above-mentioned preferred forms, and it is relevant that anyone is made under the enlightenment of the present invention
Any modification of the present invention or change, every have same as the present application or akin technical scheme, all falls
Within protection scope of the present invention.
Claims (9)
1. the preprocessing method of raw materials prepared for pectin, it is characterised in that: described pretreatment of raw material side
Method comprises the following steps:
1. choose and weigh the raw material making pectin, clean, rub, be dried；
2. to step 1. in dried raw material adds aqueous slkali, described aqueous slkali is the 3～12 of raw material volume
Times, 15～35 DEG C are soaked 0.5～2h, filter, and remove aqueous slkali；Described aqueous slkali is that mass fraction is 0.1～5%
Between the aqueous solution of alkali；
3. adding alcoholic solution in the raw material after step 2. middle filtration, described alcoholic solution is the 3～12 of raw material volume
Times, utilizing high voltage pulse electric field processing, the electric field intensity of this high-pressure pulse electric is 10 to 20kV/cm,
Umber of pulse is 2～10, and temperature is 30～60 DEG C；
4. by step 3. in raw material after high voltage pulse electric field processing carry out squeeze and filter, carry out clearly with water
Washing 1～3 time, then squeeze and filter, the raw material obtained is the raw material through pretreatment, is used for preparing pectin.
The preprocessing method of raw materials prepared for pectin the most according to claim 1, it is characterised in that:
Described raw material includes the one in Citrus, Fructus Mali pumilae, Fructus Citri Limoniae, Fructus Citri grandis, Rhizoma Dioscoreae esculentae, Helianthi and Fructus Cucurbitae moschatae or several
Fruit, peel or the marc planted.
The preprocessing method of raw materials prepared for pectin the most according to claim 1, it is characterised in that:
Step 1. described in dry including dry or dry.
The preprocessing method of raw materials prepared for pectin the most according to claim 1, it is characterised in that:
The aqueous solution of described alkali includes sodium hydrate aqueous solution, potassium hydroxide aqueous solution or ammonia spirit.
The preprocessing method of raw materials prepared for pectin the most according to claim 1, it is characterised in that:
Step 2. in added amount is raw material volume number 5～8 times of aqueous slkali；Step 3. in the alcohol that added molten
The amount of liquid is 5～8 times of raw material volume number.
The preprocessing method of raw materials prepared for pectin the most according to claim 1, it is characterised in that:
Step 3. described in alcoholic solution be mass fraction alcoholic solution between 40～80%.
The preprocessing method of raw materials prepared for pectin the most according to claim 6, it is characterised in that:
Described alcoholic solution includes methanol solution or ethanol solution.
The preprocessing method of raw materials prepared for pectin the most according to claim 1, it is characterised in that:
Step 3. in raw material after high voltage pulse electric field processing squeeze and filter be carried out with the water of 20～40 DEG C.
The preprocessing method of raw materials prepared for pectin the most according to claim 1, it is characterised in that:
The water content of the raw material after step 3. middle process is between 60%～85%.
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| CN201410168407.5A CN103923226B (en) | 2014-04-23 | 2014-04-23 | A kind of preprocessing method of raw materials prepared for pectin |
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| CN201410168407.5A CN103923226B (en) | 2014-04-23 | 2014-04-23 | A kind of preprocessing method of raw materials prepared for pectin |
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| CN103923226B true CN103923226B (en) | 2016-08-24 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106432536A (en) * | 2016-10-27 | 2017-02-22 | 蒋世芬 | Method for extracting pectin from citrus peel |
| CN110734572B (en) * | 2018-07-20 | 2021-06-01 | 中国科学院化学研究所 | Natural polymer aerogel and preparation method and application thereof |
| CN109553698B (en) * | 2019-01-03 | 2020-03-24 | 广州市莱檬生物科技有限公司 | Lemon peel pectin pretreatment method |
| CN110240663B (en) * | 2019-06-06 | 2021-12-17 | 华南理工大学 | Method for extracting pomelo peel pectin by using pulsed electric field and cellulase |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101697981A (en) * | 2009-06-12 | 2010-04-28 | 李长田 | Fast, non-heat change and high-efficiency method for breaking ganoderma lucidum spore |
| CN103232555A (en) * | 2013-05-16 | 2013-08-07 | 内江师范学院 | Method for extracting pectin from lemon peel residues by utilizing enzymatic method |
| CN103483465A (en) * | 2013-08-28 | 2014-01-01 | 华南理工大学 | Environment-friendly preparation method of beet pectin |
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2014
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101697981A (en) * | 2009-06-12 | 2010-04-28 | 李长田 | Fast, non-heat change and high-efficiency method for breaking ganoderma lucidum spore |
| CN103232555A (en) * | 2013-05-16 | 2013-08-07 | 内江师范学院 | Method for extracting pectin from lemon peel residues by utilizing enzymatic method |
| CN103483465A (en) * | 2013-08-28 | 2014-01-01 | 华南理工大学 | Environment-friendly preparation method of beet pectin |
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