CN109456420A - A method of quick room temperature prepares high degree of gelation pectin from shaddock fresh hide - Google Patents
A method of quick room temperature prepares high degree of gelation pectin from shaddock fresh hide Download PDFInfo
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- CN109456420A CN109456420A CN201811373318.9A CN201811373318A CN109456420A CN 109456420 A CN109456420 A CN 109456420A CN 201811373318 A CN201811373318 A CN 201811373318A CN 109456420 A CN109456420 A CN 109456420A
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- pectin
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B37/00—Preparation of polysaccharides not provided for in groups C08B1/00 - C08B35/00; Derivatives thereof
- C08B37/0006—Homoglycans, i.e. polysaccharides having a main chain consisting of one single sugar, e.g. colominic acid
- C08B37/0045—Homoglycans, i.e. polysaccharides having a main chain consisting of one single sugar, e.g. colominic acid alpha-D-Galacturonans, e.g. methyl ester of (alpha-1,4)-linked D-galacturonic acid units, i.e. pectin, or hydrolysis product of methyl ester of alpha-1,4-linked D-galacturonic acid units, i.e. pectinic acid; Derivatives thereof
- C08B37/0048—Processes of extraction from organic materials
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Abstract
The invention belongs to plant component extraction technical field and disclose a kind of method that room temperature quick from shaddock fresh hide prepares high degree of gelation pectin, comprising the following steps: collect shaddock fresh hide or fresh slag；Mashing；It grinds, is primary emulsifying；With liquid；Extraction；Filtering；Concentration；Alcohol precipitation；Filtering, dry and packaging.The present invention carries out broken wall rapidly extracting, it can be achieved that continuous operation, the extraction time of pectin greatly shorten by high pressure homogenizer, and recovery rate greatly improves；Substantially reduce the single batch production cycle；Entire technique has with short production cycle, and extraction carries out at normal temperature, without adding nitric acid, the advantages that product degree of gelation is high, and wastewater flow rate is few and easy to handle；The pectin yield prepared reaches 23.8%, and degree of gelation reaches 270 ° of SAG.
Description
Technical field
Quick room temperature prepares high degree of gelation pectin from shaddock fresh hide method that present invention relates particularly to a kind of, belongs to plant
Component Extraction field.
Background technique
Pectin is a kind of novel, natural Mobyneb food additives and health care product, and gelling agent is used as on food, is increased
Thick dose, stabilizer, suspending agent, emulsifier, flavouring synergist can significantly reduce blood glucose on Medicines and Health Product, and blood lipid reduces gallbladder
Sterol, dredging vascellum.It to diabetes, hypertension, constipation, releases lead poisoning and all has obvious effect, and can be used for cosmetics, it is right
Skin is protected, ultraviolet radiation is prevented, wound is treated in smelting, and beautifying face and moistering lotion all deposits certain effect.Pectin belongs to dietary fiber
One kind is generally widely present in the veterinary antibiotics that we eat, and only how much content has certain difference, generally from citrus, apple
It is extracted in the plant cells such as fruit, lemon, usually white to yellowish-brown powder, is widely used at present in beverage, jam, soft sweets,
In the food such as jelly, pectin can be used as thickener and stabilizer, to enhance consistency, improve taste and flavor, while can also be with
It is used together instead of xanthan gum or gelatin, promotes the quality of product.
In nature, pectin is primarily present in the fruit such as citrus, shaddock, apple, lemon, including citrus and shaddock juicing
In waste residue afterwards, wherein waste residue or middle content after shaddock juicing may be up to 25%(and account for butt specific gravity), with people's lives
Horizontal continuous improvement, demand of the people to rich in vitamin C and dietary fiber food are also more more and more urgent therefore more and more
Person select the pomelo beverage rich in vitamin C and dietary fiber, so shaddock juicing factory generate shaddock residue resource very
It is abundant, it is one of the primary raw material for industrially preparing pectin.The production method of industrial pectin mainly has hot nitric acid to extract, and uses
Dust technology is 90 DEG C or so as solvent, heating extraction, Extracting temperature, extracting solution is then concentrated 3-5 times, ethanol precipitation is more
Secondary ethyl alcohol cleaning is refined, finally obtained finished product pectin.There are many drawbacks in production process.Prior art extraction process
The problem of mainly have:
(1) raw material is using dry raw material -- dry citrus waste residue or apple waste residues, will appear in drying process it is mildew and rot, thus
Reduce the Gel baits and esterification degree of pectin product.Enzymatic browning phenomenon can also make the pectin color prepared dark yellow, in production very
To active carbon decolorization need to be passed through, increase production cost, extends process route.
(2) in extraction process, a large amount of steam is needed to be heated, danger coefficient is higher, and energy consumption is higher, high production cost,
In addition after raw material drying, quality is hard, is not easy to extract sufficiently, so that the recovery rate of pectin is relatively low.
(3) it in extraction process, is extracted with hot dust technology, workshop danger classes is high, and it is strong to equipment corrosion, and due to heat
Nitric acid (90 DEG C) acid gas is big to skin and respiratory tract injury.And superpower acidity, it can be a greater degree of water of pectin in raw material
Solution, so that product gel strength reduces, esterification degree is reduced.
(4) it to the influence of subsequent wastewater treatment, is extracted using hot dust technology, it can be miscellaneous by pigment in raw material and other macromoleculars
Matter is hydrolyzed into small-molecule substance, and making it, solubility increases significantly in water, in addition waste water is highly acid, wastewater treatment difficulty pole
Greatly.
Summary of the invention
The technical problem to be solved in the present invention overcomes existing defect, provides one kind quick room temperature preparation from shaddock fresh hide
The method of high degree of gelation pectin, rapidly and efficiently, room temperature anacidity, simple process, it is convenient and environmental-friendly to operate efficiently, can effectively solve
The problems in background technique.
In order to solve the above-mentioned technical problems, the present invention provides the following technical solutions:
The present invention provides a kind of method that room temperature quick from shaddock fresh hide prepares high degree of gelation pectin, comprising the following steps:
S1: collect shaddock fresh hide or fresh slag: the shaddock waste residue after shaddock juice squeezes in fresh grapefruit skin or fruit juice factory, takes part of not going rotten
It is placed in cold storage in freezer, so that raw material stablizes supply when industrial production；
S2: mashing: taking the shaddock fresh hide or shaddock waste residue of certain mass, and mashing (without adding water), makes original in high-density paste mill
Material is preliminary broken；
S3: grind, is primary emulsifying: preliminary broken slurry, the ratio for being 1:1~1:1.2 according to solid-liquid ratio add deionization
Slurry is further ground using colloid mill, is emulsified by water.Using colloid mill by raw material grind, preferred colloid mill can make object
When material is through determining, turning the gap between tooth, made by physics such as powerful shearing force, frictional force, high-frequency vibration, high speed vortexs
With making material effectively be emulsified, be dispersed, homogeneous and crushing, achieve the effect that material fining crushes and emulsification；
S4: match liquid: it is several to remove ionized water, and cellulase, which is successively added, makes 30~80ppm of its concentration, addition calgon
Make its concentration 50-100ppm；
S5: extraction: take grind, primary emulsifying material, according to solid-liquid ratio be 1:1~1:1.2 ratio be added S4 in contain
The solution of cellulase and calgon, sufficiently stirs evenly, and is pumped into high pressure homogenizer, carries out extraction；Preferably
High pressure homogenizer is mainly made of high-pressure homogeneous chamber and booster body.Under the action of booster body, high-pressure solution quickly leads to
Homogeneous chamber is crossed, material is understood while by mechanical forces such as high speed shear, high frequency oscillation, cavitation and convection current shocks and accordingly
Fuel factor, be finally reached the effect for sufficiently abolishing cell wall, achieve the purpose that rapidly extracting pectin；
S6: filtering: taking material after extraction, food-grade pearlite filtering aid is added in the ratio of material total amount 8~12 ‰, stirring is equal
It is even, it is filtered by filter press, 10%~15% deionized water of material total amount infiltration washery slag is pumped into after filtering, merging filtrate obtains
Extracting solution；The pearlite filtering aid is preferably 200-300 mesh, and filter press is preferably membrane pressure filter；
S7: it concentration: takes extracting solution that 2-3 times is concentrated in evaporator, obtains concentrate；The evaporator is falling film type MVR evaporator；
S8: alcohol precipitation: taking concentrate, by 2~3 times of addition dehydrated alcohols of concentrate total amount, quiescent setting 2h after mixing evenly；
S9: filtering and drying: feed liquid is filtered by filter after alcohol precipitation, and filter cake is pectin, is obtained after 85 DEG C are dried under reduced pressure
Product, pack, the filter is preferably closed delivery chamber filter press, and drying machine is preferably rake type drier.
The present invention directly selects fresh shaddock ped or fresh shaddock slag when extracting, and without being dried, has saved drying cost, greatly
The pigment for reducing extracting solution improves the whiteness and gloss of product.
Shaddock fresh hide or fresh slag by high-density paste mill, colloid mill, are realized beating for shaddock fresh hide or fresh slag by the present invention
Starch, grind with primary emulsifying broken wall, saved extraction time, mild extraction conditions.
A certain amount of cellulase is added before extracting in the present invention, effectively guarantees abolishing for cell wall in extraction process；It is added
A certain amount of calgon, the effective calcium ion etc. removed in raw material can close the metal ion of pectin extraction.
High pressure homogenizer extraction is used when the present invention extracts.High pressure homogenizer is also referred to as " high-pressure fluid nanometer homogenizer "
High pressure homogenizer is entered in the valve group of adjustable pressure size under special plunger effect using material, by specific width
After current restricting slit (workspace), the material of instantaneous loss of pressure is sprayed with high flow velocity (1000-1500m/s), and collision is in collision valve
In the impact ring of one of component, three kinds of effects: void effect, knock-on effect, shearing effect are generated.It is handled by these three effects
Later, material particular diameter can uniformly refine to 100nm or less percentage of damage greater than 95%.Extraction time is substantially reduced, it can be achieved that continuous
It extracts, cell wall abolishes rate height, effectively improves the recovery rate of pectin, realizes and extracts without high temperature dust technology, mild
Extraction conditions reduce the danger coefficient in equipment requirement, extraction cost and production process.
The beneficial effects of the present invention are: selecting shaddock fresh hide or fresh slag as raw material in method provided by the invention, avoid
Mildew during raw material drying prevents the reduction of the Gel baits and esterification degree of pectin product.Avoid the enzymatic in drying process
Browning phenomenon prevents the pectin color prepared gloomy；A certain amount of cellulase is added, effectively guarantees cell in extraction process
Wall is abolished；A certain amount of calgon is added, the effective calcium ion etc. removed in raw material can close the gold of pectin extraction
Belong to ion；Using colloid mill by raw material grind, makes material by effectively emulsification, dispersion, homogeneous and crushing, reach material fining powder
Broken and emulsification effect；Broken wall rapidly extracting is carried out, it can be achieved that continuous operation, the extraction time of pectin by high pressure homogenizer
It greatly shortens, recovery rate greatly improves；Substantially reduce the single batch production cycle；Entire technique has with short production cycle, extraction
It carries out at normal temperature, without adding nitric acid, the advantages that product degree of gelation is high, and wastewater flow rate is few and easy to handle；The pectin prepared obtains
Rate reaches 23.8%, and degree of gelation reaches 270 ° of SAG.
Specific embodiment
Hereinafter, preferred embodiments of the present invention will be described, it should be understood that preferred embodiment described herein is only used
In the description and interpretation present invention, it is not intended to limit the present invention.
Case study on implementation 1:
S1: choosing 500 kg shaddock fresh hides from frozen storehouse, and surveying its moisture is 79%；
S2: it is sent into high-density paste mill by screw conveyor and is tentatively crushed；
S3: tentatively broken slurry adds 1 cube of deionized water, is further crushed by colloid mill, is emulsified into jam shape state；
S4: it takes 1 cube of deionized water to be successively added 30 grams of cellulase, 60 grams of calgon, it is stand-by to be made into extraction liquid；
S5: liquid in S4 is added in material in S3, is pumped into after stirring in high pressure homogenizer and carries out extraction, adjusts spray
Injection pressure is 100MPa, and extraction process is 35 minutes；
S6: 25 kilograms of food-grade pearlite filtering aids are added in material in S5, are filtered after stirring evenly by diaphragm filter press, are added
220L deionized water permeates washery slag, obtains 2.2 cubes of extracting solution；
S7: 2.2 cubes of extracting solutions are concentrated in MVR falling film evaporator, obtain 1 cube of concentrate；
S8: concentrate is all added in 2.5 cubes of dehydrated alcohols, after mixing evenly static 2h；
S9: material in S8 being pumped into closed delivery chamber filter press and is filtered, and obtains pectin to be dried, and it is dry to be added into rake
Decompression drying 2.5h in machine controls 86 DEG C of temperature；
S10: the pectin after drying is crushed, and packaging obtains 24.8 kilograms of finished product pectin, yield 23.7%(is in terms of raw material butt), it uses
It is 265 ° of SAG that sagging method, which detects its degree of gelation,.
Case study on implementation 2:
S1: choosing the 1000 fresh slags of kg shaddock from frozen storehouse, and surveying its moisture is 81%；
S2: it is sent into high-density paste mill by screw conveyor and is tentatively crushed；
S3: tentatively broken slurry adds 2.5 cubes of deionized waters, is further crushed by colloid mill, is emulsified into jam shape shape
State；
S4: it takes 2.5 cubes of deionized waters to be successively added 200 grams of cellulase, 225 grams of calgon, is made into extraction and is waited for liquid
With；
S5: liquid in S4 is added in material in S3, is pumped into after stirring in high pressure homogenizer and carries out extraction, adjusts spray
Injection pressure is 120MPa, and extraction process is 80 minutes；
S6: 72 kilograms of food-grade pearlite filtering aids are added in material in S5, are filtered after stirring evenly by diaphragm filter press, are added
750L deionized water permeates washery slag, obtains 5.6 cubes of extracting solution；
S7: 5.6 cubes of extracting solutions are concentrated in MVR falling film evaporator, obtain 2.6 cubes of concentrate；
S8: concentrate is all added in 7.8 cubes of dehydrated alcohols, after mixing evenly static 2.2h；
S9: material in S8 being pumped into closed delivery chamber filter press and is filtered, and obtains pectin to be dried, and it is dry to be added into rake
Decompression drying 4.5h in machine controls 85.2 DEG C of temperature；
By after drying pectin crush, packaging, obtain 43.5 kilograms of finished product pectin, yield 22.9%(is in terms of raw material butt), with sink
It is 269 ° of SAG that method, which detects its degree of gelation,.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features.
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (6)
1. a kind of method that room temperature quick from shaddock fresh hide prepares high degree of gelation pectin, characterized by the following steps:
S1: collect shaddock fresh hide: the shaddock waste residue after shaddock juice squeezes in fresh grapefruit skin or fruit juice factory, and part of not going rotten is taken to be placed in
Cold storage in freezer, so that raw material stablizes supply when industrial production；
S2: mashing: the shaddock fresh hide or shaddock waste residue of certain mass are taken, is beaten in high-density paste mill, high-density paste mill is continuous
Charging keeps raw material tentatively broken；
S3: grind, is primary emulsifying: preliminary broken slurry, the ratio for being 1:1~1:3 according to solid-liquid ratio add deionization
Slurry is further ground using colloid mill, is emulsified by water；
S4: match liquid: it is several to remove ionized water, and cellulase, which is successively added, makes 30~80ppm of its concentration, addition calgon
Make 50~100ppm of its concentration；
S5: extraction: take grind, primary emulsifying material, according to solid-liquid ratio be 1:1~1:1.2 ratio be added S4 in contain
The solution of cellulase and calgon, sufficiently stirs evenly, and is pumped into high pressure homogenizer, carries out extraction；
S6: filtering: taking material after extraction, food-grade pearlite filtering aid is added in the ratio of material total amount 8~12 ‰, stirring is equal
It is even, it is filtered by membrane pressure filter, 10%~15% deionized water of material total amount infiltration washery slag is pumped into after filtering, merges filter
Liquid obtains extracting solution；
S7: it concentration: takes extracting solution that 2~3 times are concentrated in evaporator, obtains concentrate；
S8: alcohol precipitation: taking concentrate, by 2~3 times of addition dehydrated alcohols of concentrate total amount, quiescent setting 2h after mixing evenly；
S9: filtering and drying: feed liquid is filtered by filter after alcohol precipitation, and filter cake is pectin, is obtained after 85 DEG C are dried under reduced pressure
Product, pack.
2. the method that a kind of room temperature quick from shaddock fresh hide according to claim 1 prepares high degree of gelation pectin, special
Sign is: the pearlite filtering aid in step S6 is 200~300 mesh.
3. the method that a kind of room temperature quick from shaddock fresh hide according to claim 1 prepares high degree of gelation pectin, special
Sign is: the filter press in step S6 is membrane pressure filter.
4. the method that a kind of room temperature quick from shaddock fresh hide according to claim 1 prepares high degree of gelation pectin, special
Sign is: the evaporator in step S7 is falling film type MVR evaporator.
5. the method that a kind of room temperature quick from shaddock fresh hide according to claim 1 prepares high degree of gelation pectin, special
Sign is: the filter in step S9 is closed delivery chamber filter press.
6. the method that a kind of room temperature quick from shaddock fresh hide according to claim 1 prepares high degree of gelation pectin, special
Sign is: the drying machine in step S9 is rake type drier.
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| CN110204631A (en) * | 2019-05-17 | 2019-09-06 | 安徽科立普分子生物科技有限公司 | A kind of extraction filters pressing of pectin at quickly discharging material after cake method |
| CN110240663A (en) * | 2019-06-06 | 2019-09-17 | 华南理工大学 | A method for extracting pomelo peel pectin in cooperation with cellulase by pulsed electric field |
| CN110432371A (en) * | 2019-09-03 | 2019-11-12 | 云南农业大学 | A kind of preparation method of pomelo peel jelly work and the pomelo peel jelly work of preparation |
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| CN110204631A (en) * | 2019-05-17 | 2019-09-06 | 安徽科立普分子生物科技有限公司 | A kind of extraction filters pressing of pectin at quickly discharging material after cake method |
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