CN107319509A - A kind of method for preparing pectin and fiber continuous from fruit - Google Patents
A kind of method for preparing pectin and fiber continuous from fruit Download PDFInfo
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- CN107319509A CN107319509A CN201710363722.7A CN201710363722A CN107319509A CN 107319509 A CN107319509 A CN 107319509A CN 201710363722 A CN201710363722 A CN 201710363722A CN 107319509 A CN107319509 A CN 107319509A
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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
- A23L29/00—Foods or foodstuffs containing additives; Preparation or treatment thereof
- A23L29/20—Foods or foodstuffs containing additives; Preparation or treatment thereof containing gelling or thickening agents
- A23L29/206—Foods or foodstuffs containing additives; Preparation or treatment thereof containing gelling or thickening agents of vegetable origin
- A23L29/231—Pectin; Derivatives thereof
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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
- A23L33/00—Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof
- A23L33/20—Reducing nutritive value; Dietetic products with reduced nutritive value
- A23L33/21—Addition of substantially indigestible substances, e.g. dietary fibres
- A23L33/22—Comminuted fibrous parts of plants, e.g. bagasse or pulp
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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
- C08B37/0003—General processes for their isolation or fractionation, e.g. purification or extraction from biomass
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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
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Abstract
The invention discloses a kind of method for preparing pectin and fiber continuous from fruit, isolated solid constituent after first fruit is squeezed the juice by solid constituent is through high-temperature-hot-water isothermal holding and filters, obtains filtrate one and residue one；Then residue one is added to the water into soak in acid condition to handle and filter, obtains filtrate two and residue two；Impurity elimination after filtrate one is merged with filtrate two again, extracts pectin；Residue two is bleached or carries out high temperature alkali process again after first bleaching again after first high temperature alkali process, then collects solids, obtains residue three, and wherein high-temperature alkali is processed as residue two being added to the water the processing of soak in the basic conditions；Finally pH to 68 will be adjusted after residue three, water and dispersant, homogeneous, drying obtain fibrous finished product.The fibrous finished product that the method that the present invention is provided is obtained, with excellent dispersiveness, water swellability with stability is used for a long time.
Description
Technical field
The invention belongs to field of food, and in particular to a kind of method for preparing pectin and fiber continuous from fruit.
Background technology
Current international food structure is just adjusted towards the direction of fiber food.Japan, the consumption demand in the U.S. are also with annual
10% speed increases.In European ＆ American Market, by meals/fiber add in food it is popular for many years, and Japan, TaiWan, China,
The food sales volume that South Korea adds dietary fiber is being continuously increased.Dietary fiber is with the addition of in China also has some drinks.Adjust
Data display is looked into, global dietary fiber market scale is up to 43.1 hundred million dollars in the year two thousand twenty, and compound annual growth rate will reach
13.2%.It can affirm, in the near future, dietary fiber beverage or food will be further developed in China.
At present, application of the dietary fiber in food occurs as functional components more, is improving food stabilization state side
The research in face is less；The research of dietary fiber is focused mostly on, and (increase can for the extraction in dietary fiber, assay and study on the modification
Soluble fiber content) in terms of, the application study for insoluble diedairy fiber is less.
Insoluble fibre in dietary fiber has retention ability and dilatancy.It is insoluble applied in beverage and dairy products
Fiber water swelling under certain process conditions, increases system viscosity, and the scattered and suspension of its own can be in system
Suspending power is provided, the aggregation sedimentation of albumen is reduced, maintenance system is stable.And fiber belongs to raw-food material, rather than food addition
Agent, the alternative additive in food reaches the effect of cleaning label.Researcher's contrast is found, in numerous insoluble fibres,
The water swelling best results of citrus fiber.
The citrus fruit fibres AQplus of German Herbafood companies production, application verification result is good in this regard.Market its
100FG, 125FG, 100M40 of his citrus fruit fibres such as CITRIFI companies, and CEAMSA companies 7000 and 7000F, drink
Application effect is good in material, dairy products, meat products and baking goodses, but water swelling effect is poor compared with AQ, in liquid production
Good suspension system can not also be formed by additionally being added when being used in product, and maintenance system is stable.But AQ Product Process is complicated, price
Cost is high, and application feature also has room for promotion.
The content of the invention
It is an object of the invention to provide one kind in order to overcome above the deficiencies in the prior art and continuously prepared from fruit
The method of pectin and fiber, realization continuously prepares the process of pectin and fiber, while effectively improving the water swelling of fibrous finished product
Property and suspension stability.
Technical scheme is as follows：
A kind of method for preparing pectin and fiber continuous from fruit, comprises the following steps：
Step 1, isolated solid constituent after fruit is squeezed the juice, by solid constituent through high-temperature-hot-water isothermal holding and mistake
Filter, obtains filtrate one and residue one；
Step 2, residue one is added to the water into soak in acid condition to handle and filter, obtains filtrate two and residue
Two；
Step 3, impurity elimination after filtrate one is merged with filtrate two, extracts pectin；
Step 4, residue two is bleached or carries out high temperature alkali process again after first bleaching again after first high temperature alkali process, so
After collect solids, obtain residue three, wherein high-temperature alkali is processed as residue two being added to the water soak in the basic conditions
Processing；
Step 5, pH to 6-8 will be adjusted after residue three, water and dispersant, homogeneous, drying obtain fibrous finished product.
Further, the process of isolated solid constituent can be for after fruit be squeezed the juice after fruit is squeezed the juice in step 1
Pericarp and pulp are cleaned up and obtain solid constituent, or drying, crushing, obtain solid constituent.Further, the drying
Temperature can be 50-100 DEG C.
Further, high-temperature-hot-water isothermal holding described in step 1 can be for solid constituent be dispersed in water, in 90-
5-30 minutes are incubated under the conditions of 100 DEG C.
Further, can be for first solid constituent be changed through high-temperature-hot-water isothermal holding by solid constituent described in step 1
Dry matter weight is counted as, is 1 according to the weight ratio of dry and water:15-1:25 are added water, and heating and thermal insulation processing is then carried out again.
Further, it can be that residue one first is converted into dry matter weight to be added to the water residue one described in step 2,
Then it is 1 according to dry and water weight ratio:15-1:25 add water.
Further, soak processing can be adjusted for residue one is added to the water under acid condition described in step 2
PH is 1-2.5, and 60-120min is incubated under the conditions of 70-85 DEG C.
Further, the mode that pectin is extracted in step 3 is to extract pectin by ethanol precipitating.Further, ethanol
Precipitating is addition mass concentration 80-95% ethanol precipitating, precipitating pH value 1-2.5, time 1-2h.
Further, high temperature alkali process described in step 4 can be for residue two be added to the water, regulation pH to alkalescence, so
After be warming up to 75-95 DEG C, be incubated 30-120min.Further, regulation pH scopes are 7.5-14.
Further, it can be that residue two first is converted into dry matter weight to be added to the water residue two described in step 4,
Then it is 1 according to dry and water weight ratio:15-1:25 add water.
Further, the process bleached described in step 4 can add percent by volume for residue two is dispersed in water
For 1-2% H2O2, then sealed, 10-30min be incubated under the conditions of 30-60 DEG C, washed after filtering.
Further, the ratio of residue three, water and dispersant can be that residue three is converted into dry matter weight in step 5
Amount, is 1 according to the weight ratio of dry and water:40-1:70 add water；Dispersant is added according to the 0%-40% of dry matter weight.
Further, dispersant can be sodium carboxymethylcellulose, the temperature of residue three, water and dispersant in step 5
Degree can be 40-65 DEG C.
Further, homogenizing temperature can be 40-65 DEG C in step 5, and homogenization pressure can be 10-30MPa, homogenization cycles
It can be 1-3 times.
A kind of method for preparing pectin and fiber continuous from fruit, comprises the following steps：
(1) fruit is squeezed the juice, rinses the dregs of pericarp and pulp well rear standby or 50-100 DEG C of drying, crush, receive
Collection is standby；
(2) dry powder in step (1) is weighed, by solid-to-liquid ratio 1:15-1:25 add water, 90-100 DEG C of insulation 5-30min, mistake
Filter, collection filtrate, residue are standby；
(3) residue in step (2) is weighed, dry matter weight is converted into, by solid-to-liquid ratio 1:15-1:25 add water, and adjust pH
For 1-2.5,70-85 DEG C of insulation 60-120min, filtering, collection filtrate, residue are standby；
(4) filtrate in step (2) and step (3) is merged, the removal of impurity is gone in centrifugation, filtering, is concentrated, and adds mass concentration
80-95% ethanol precipitating, precipitating pH value 1-2.5, time 1-2h extract pectin；
(5) take the residue in step (3) through colloid mill defibrination, the filtering of 40-80 mesh collects filter residue standby；
(6) filter residue in step (5) is taken, dry matter weight is converted into, by solid-to-liquid ratio 1:15-1:25 add water, regulation pH to
Alkalescence, 75-95 DEG C of insulation 30-120min；
(7) solution in step (6) is cooled to 30-60 DEG C, and adds volume ratio 1-2% H2O2, sealing, 30-60 DEG C
10-30min is incubated, filtering washing collects residue standby；
(8) residue in step (7) is taken, dry matter weight is converted into, by solid-to-liquid ratio 1:40-1:70 add 40-65 DEG C
Water,
And dry matter weight 0%-40% sodium carboxymethylcellulose is added, stir 15min, regulation pH value of solution 6-8,40-
65 DEG C of progress homogeneous, homogenization pressure 10-30MPa, homogenization cycles are 1-3 times；
(9) solution after homogeneous in step (8) is dried using spray drying or drum drying equipment, obtains fiber
Finished product.
Further, the above-described method for preparing pectin and fiber continuous from fruit, fruit can described in step 1
Think citrus fruit.
The application of obtained pectin or fibrous finished product made above in food.
Disposable extraction pectin and fiber from pomace of the invention, reduce the cost of two raw material, reach economic benefit
Maximize.The latter is as raw-food material simultaneously, provides more excellent thickening and suspension scheme for food liquid, reaches and clean label simultaneously
Lift the effect of product quality, more market prospects.
The present invention extracts pectin and citrus fruit fibres using the pericarp and pulp after squeezing the juice as raw material, extracts after pectin, uses life
The citrus fruit fibres prepared by residue produced during production are even more excellent up to the quality of abroad fiber, can be in beverage and breast
Additive is substituted in product to suspend and thickening effect there is provided more preferable, is reached cleaning label and is improved the effect of product quality, tool
There are very big market prospects.
The present invention by being squeezed the juice to fruit after isolated solid constituent carry out high-temperature-hot-water isothermal holding so that fiber
Water absorption and swelling, become loosely with softness, hence it is evident that the efficiency of later stage fiber treatment is improved, while high-temperature inactivation pectase, is conducive to
The recovery rate and quality of pectin are improved, the viscosity of peanut milk can be effectively improved, wall built-up is reduced, the scattered of system fiber is improved
Property.
After the present invention extracts pectin through peracid treatment, fiber is assembled in acid condition and crystallization degree is higher, directly enters
Row processing can not reach preferably thickening and suspension effect, and can make aggregation and crystalline fibers and fiber by high temperature alkali process
Hydrogen bond in network is reduced, and is more beneficial for the scattered of fiber, can be effectively improved the water swelling ability of fiber.
Soda acid PROCESS FOR TREATMENT is also taken to prepare fiber when extracting fiber in the prior art, but the purpose of alkali process is
In order to remove alkali solubility impurity, treatment temperature is low, and processing time is short, and the present invention passes through high temperature alkali process so that fibre bundle becomes
Small, the hydrogen bond in crystalline fibers and network of fibers is reduced, and is more beneficial for the scattered of fiber, can be effectively improved fibrous absorbent expansion energy
Power, and effectively suppress the aggregation during fiber applications.The viscosity of peanut milk can be effectively improved by high temperature alkali process, is reduced
Wall built-up, improves the suspending power of system and the dispersiveness of fiber.
Bleaching of the present invention can reach identical effect before and after alkali process, can be carried out according to actual conditions.
The present invention makes aggregation and crystalline fibers be opened completely by the method for high shear by homogeneous, makes fiber scattered simultaneously
Its water swelling ability is improved, preferably application effect is reached.
Fiber surface has in polar carbonyl group and oh group, the sodium carboxymethylcellulose (CMC) that the present invention is used
Carboxyl can be with the polar group formation hydrogen bond on fiber surface or be interacted with Van der Waals force, by fiber parcel wherein simultaneously
Make being dispersed in water evenly of the fiber after homogeneous be difficult to reassemble by electrostatic force, reach more excellent water swelling ability,
CMC serves the scattered effect with texturized fiber in the present invention.
Present invention employs homogeneous is carried out after fiber, water and dispersant, homogeneous can make fiber under ambient pressure
Scattered water swelling rapidly, further lifts its dispersiveness, meanwhile, the CMC of use plays scattered and expanded fibre in the present invention
The effect of dimension, sufficiently rubs under the mechanical force of homogeneous with fiber, so as to adsorb in fiber surface, forms diaphragm, enters one
Step prevents the aggregation of fiber, by using CMC combination homogeneous, has reached unexpected effect.
The present invention causes fiber fully moistens to rise by high-temperature-hot-water isothermal holding (digesting technoloy) first, while carrying out high temperature
Pectase is inactivated, extraction of the subsequent high temperature acid treatment for pectin is more beneficial for so that extracted more fully and thoroughly；At high-temperature acid
Reason can cause in pectin dissolved well and solution, be extracted using ethanol precipitating, and subsequent high temperature alkali process on the one hand can be with
Dissolve impurity elimination, it is often more important that promote fiber further to disperse, improve fibrous absorbent swelliong power, then passing through follow-up homogeneous
Technique combination dispersant further solidifies the water-swelling property that is scattered in of fiber, obtains finished product.The preparation process of the present invention
In, each step is successively mutually accepted, and is mutually promoted, and collaboration improves the characteristic of final fiber product.
The present invention prepares fiber, the cost of two kinds of raw materials again after extracting pectin especially from citrus pomace from fruit
Significantly reduce, more promotion prospect.
The fiber prepared in the present invention can provide more excellent thickening and suspension as raw-food material for food liquid
Scheme, reaches cleaning label and lifts the effect of product quality, more market prospects.
Brief description of the drawings
The syntheti c route figure for the peanut milk that Fig. 1 provides for the present invention.
Embodiment：
The preparation process of peanut milk described in following examples is as shown in Figure 1.
Embodiment 1
The present embodiment provides a kind of method for preparing pectin and fiber continuous from fruit, comprises the following steps：
Step 1, isolated solid constituent after fruit is squeezed the juice, by solid constituent through high-temperature-hot-water isothermal holding and mistake
Filter, obtains filtrate one and residue one；
Step 2, residue one is added to the water into soak in acid condition to handle and filter, obtains filtrate two and residue
Two；
Step 3, impurity elimination after filtrate one is merged with filtrate two, extracts pectin；
Step 4, residue two is bleached or carries out high temperature alkali process again after first bleaching again after first high temperature alkali process, so
After collect solids, obtain residue three, wherein high-temperature alkali is processed as residue two being added to the water soak in the basic conditions
Processing；
Step 5, pH to 6-8 will be adjusted after residue three, water and dispersant, homogeneous, drying obtain fibrous finished product.
Further, in wherein one specific example, specific method and technology controlling and process may comprise steps of：
(1) fruit is squeezed the juice, rinses the dregs of pericarp and pulp well rear standby or 50-100 DEG C of drying, crush, receive
Collection is standby；
(2) dry powder in step (1) is weighed, by solid-to-liquid ratio 1:15-1:25 add water, 90-100 DEG C of insulation 5-30min, mistake
Filter, collection filtrate, residue are standby；
(3) residue in step (2) is weighed, dry matter weight is converted into, by solid-to-liquid ratio 1:15-1:25 add water, and adjust pH
For 1-2.5,70-85 DEG C of insulation 60-120min, filtering, collection filtrate, residue are standby；
(4) filtrate in step (2) and step (3) is merged, the removal of impurity is gone in centrifugation, filtering, is concentrated, and adds mass concentration
80-95% ethanol precipitating, precipitating pH value 1-2.5, time 1-2h extract pectin；
(5) take the residue in step (3) through colloid mill defibrination, the filtering of 40-80 mesh collects filter residue standby；
(6) filter residue in step (5) is taken, dry matter weight is converted into, by solid-to-liquid ratio 1:15-1:25 add water, regulation pH to
Alkalescence, 75-95 DEG C of insulation 3-120min；
(7) solution in step (6) is cooled to 30-60 DEG C, and adds volume ratio 1-2% H2O2, sealing, 30-60 DEG C
10-30min is incubated, filtering washing collects residue standby；
(8) residue in step (7) is taken, dry matter weight is converted into, by solid-to-liquid ratio 1:40-1:70 add 40-65 DEG C
Water, and dry matter weight 0%-40% sodium carboxymethylcellulose is added, 15min is stirred, pH value of solution 6-8 is adjusted, 40-65 DEG C is entered
Row homogeneous, homogenization pressure 10-30MPa, homogenization cycles are 1-3 times；
(9) solution after homogeneous in step (8) is dried using spray drying or drum drying equipment, obtains fiber
Finished product.
Embodiment 2
In the present embodiment, so that citrus fruit progress prepares pectin and fiber as an example, for the difference provided in embodiment 1
Preparation process, is tested as follows respectively：
1. high-temperature-hot-water isothermal holding process
Dry powder in the step of Example 1 (1), according to solid-to-liquid ratio 1:15 are added water, and filter is collected in 90 DEG C of insulation 30min, filtering
Liquid, residue are standby.
The fiber (except insulation boiling, other steps are identical) of preparation is applied in peanut milk, concrete outcome see the table below.
| Fiber treatment mode | pH | Viscosity cp | Particle diameter nm | Suspension precipitate height | Topple over phenomenon |
| It is incubated boiling | 7.26 | 7.68 | 237.9 | Without obvious boundary | Wall built-up is thinner |
| Boiling is not incubated | 7.29 | 6.00 | 241.5 | 0.7cm | Wall built-up is thick |
Note：Viscosity Measurement Methods are 61# rotors, 100r, 30s.
From data above, the fiber applications by insulation boiling are in peanut milk, and sample viscosity is high, and particle diameter is smaller,
Suspension effect is good, and wall built-up is thinner when toppling over.Therefore, the present embodiment can make the fibrous absorbent expansion dried in step (1), more
Be conducive to the processing of next step, method is easy, effective, and process is easily controllable.
2. high-temperature acid processing procedure
The residue in the step of embodiment 1 (2) is weighed, dry matter weight is converted into, by solid-to-liquid ratio 1:25 add water, and adjust pH
For 1-2,75 DEG C of insulation 120min, filtering, collection filtrate, residue are standby.
Dry matter weight conversion mode：M=m1(1-w1)
Wherein, m is dry matter weight；
m1For the residue weight weighed；
w1To weigh the moisture of residue；
Note：w1Quickly determined using plum Teller-support benefit moisture teller.
The fiber (other process steps are identical) of different pH acid treatments is applied in peanut milk, concrete outcome see the table below.
| Acid treatment pH | pH | Viscosity | Particle diameter nm | Suspension precipitate height | Topple over phenomenon | Pectin yield % |
| 1 | 7.15 | 7.32 | 232.5 | Without obvious boundary | Wall built-up is thinner | 12.55 |
| 2 | 7.15 | 7.37 | 224.6 | Without obvious boundary | Hang thinner | 12.88 |
| 3 | 7.15 | 7.56 | 235.5 | 4cm, it is of light color | Hang thinner | 10.36 |
| 4 | 7.15 | 7.44 | 237.9 | 4cm | Wall built-up is thicker | 8.27 |
Note：Viscosity Measurement Methods are 61# rotors, 100r, 30s.
From data above, the fiber prepared under different pH acid reaction variables, application performance difference is less, but pH is got over
Height, peanut milk wall built-up is gradually obvious, thicker, and with the rise of pH value, the yield of pectin declines, therefore, in the present embodiment pH
In the range of, extracted as far as possible completely in guarantee pectin, it is ensured that the application effect of fiber.
3. high-temperature alkali processing procedure
A certain amount of residue in the step of embodiment 1 (3) is weighed, convert dry matter weight, by solid-to-liquid ratio 1:20 add water, regulation
PH is 8-14,85 DEG C of insulation 60min.Wherein, dry conversion method is identical with the above.
The fiber (other process steps are identical) of different pH alkali process is applied in peanut milk, concrete outcome see the table below.
| Alkali process pH | pH | Viscosity | Particle diameter nm | Suspension precipitate height | Topple over phenomenon |
| Non- alkali process | 6.93 | 7.51 | 231.2 | 1.7cm | Wall built-up is thick |
| 8 | 6.90 | 8.22 | 200.8 | Without obvious boundary | Wall built-up is thin |
| 10 | 6.88 | 8.40 | 202.6 | Without obvious boundary | Without wall built-up |
| 13 | 6.87 | 8.46 | 202.8 | Without obvious boundary | Without wall built-up |
| 14 | 6.89 | 8.52 | 201.3 | 4cm | Wall built-up is thin |
Note：Viscosity Measurement Methods are 61# rotors, 100r, 30s.
From data above, the residue of the pectin water swelling ability of fiber after alkali treatment is extracted and has carried
Rise.But when pH is too high, the fracture of fiber hydrogen bond is serious, and fiber molecule intermolecular forces are too low, and suspension has declined.Therefore, it is different
The fiber prepared under the conditions of pH alkali process, application performance gap is obvious.PH it is too low or it is too high all influence fiber thickener hang
Floating effect.In the range of the present embodiment pH, fiber applications are functional.
4. homogenization process
A certain amount of residue in the step of embodiment 1 (7) is weighed, convert dry matter weight, by solid-to-liquid ratio 1:50 weigh hot water,
Residue dry matter weight 0%-30% sodium carboxymethylcellulose (CMC) is added, 15min is stirred, 7,60 DEG C of regulation pH value of solution is
Matter one time, homogenization pressure 25MPa.Wherein, dry conversion method is same as Example 2.
The fiber (other process steps are identical) that different processing conditions are handled is applied in peanut milk, and concrete outcome is seen below
Table.
| Processing condition | pH | Viscosity | Particle diameter nm | Suspension precipitate height | Topple over phenomenon |
| Non- homogeneous | 6.86 | 6.24 | 204.9 | 8mm, color is deep | Wall built-up is thick, and bottom is glued |
| 0%CMC homogeneous | 6.85 | 6.56 | 217.6 | 1.2cm | Wall built-up is thick |
| 10%CMC homogeneous | 6.86 | 7.32 | 206.7 | 4.5cm, it is of light color | Wall built-up is thin |
| 20%CMC homogeneous | 6.85 | 7.40 | 219.5 | 6cm, it is of light color | Wall built-up is thin |
| 30%CMC homogeneous | 6.85 | 7.46 | 218.6 | 5cm | Wall built-up is thin |
| 40%CMC homogeneous | 6.85 | 7.52 | 221.3 | 4cm | Wall built-up is thicker |
Note：Viscosity Measurement Methods are 61# rotors, 100r, 30s.
From data above, the fibrous absorbent swelliong power not by homogenization is slightly poor, corresponding peanut milk sample
Product viscosity is low, and wall built-up is thick, and adhesion occurs in bottom, and this case can be effectively improved after homogenization.
The CMC of compounding under mechanical force, can be touched as dispersant, during homogeneous between CMC and fiber grain
Hit, rub, so that CMC absorption forms diaphragm in fiber surface, prevent the aggregation of fiber, can effectively lift system viscosity.
But when CMC consumptions are excessive, negative influence can be caused to the bleed expansion effect of fiber.In the present embodiment processing condition
In the range of, fiber applications are functional.
Embodiment 3
Fresh citrus fruit is squeezed the juice, 65 DEG C of drying of dregs of pericarp and pulp are crushed, 80 mesh sieves are crossed, sieve is lower dry
Powder is collected standby.40g dry powder is weighed, by solid-to-liquid ratio 1:20 add 100 DEG C of water, and residue is collected in 100 DEG C of insulation 5min, filtering
One is standby.Residue one is converted dry matter weight, by solid-to-liquid ratio 1:20 add water, and adjust pH2,80 DEG C of insulation 90min, filter, receive
Collect residue two.Residue two is converted dry matter weight, by solid-to-liquid ratio 1:20 claim water, adjust pH12,80 DEG C of insulation 90min, cooling
To 40 DEG C, the H of volume ratio 6% is added2O2, 40 DEG C of insulation 20min, filtering, collection residue three.Residue three is converted dry matter weight
Amount, by solid-to-liquid ratio 1:60 weigh hot water, add the CMC of residue dry matter weight 10%, stir 15min, adjust pH value of solution 7,50
DEG C homogeneous one time, homogenization pressure 20MPa.Solution after homogeneous is dried, 65 DEG C of drying temperature.Dried object is collected, is crushed, mistake
80 mesh sieves, screenings is fibrous finished product, is collected standby.
For fibrous finished product derived above, and other different fibers are applied in peanut milk on the market at present, are entered
Row application effect is contrasted, and specifically see the table below.
Note：Viscosity Measurement Methods are 61# rotors, 100r, 30s.
According to data above as can be seen that the fiber for preparing of the present embodiment the application effect in peanut milk is good with AQ
It is good, and fiber manufactured in the present embodiment will be significantly better than AQ fiber products in terms of prolonged application stability.And other samples are outstanding
I is weak, bad dispersibility, it is impossible to meet product needs.In placement process, dispersivenesses of the AQ in peanut milk is gradually reduced, and is sent out
Raw aggregation.Therefore, the fiber for preparing of the present invention application effect it is more excellent.
In summary, using the method for the present invention, the excellent citrus of application effect can be prepared at lower cost
Fiber, the purpose for reach cleaning products label, increasing economic efficiency substitutes suspension colloid using the fiber for belonging to food ingredient,
Suspended for beverage systems and Yoghourt thickening provides new method.
Claims (19)
1. a kind of method for preparing pectin and fiber continuous from fruit, it is characterised in that comprise the following steps：
Step 1, isolated solid constituent after fruit is squeezed the juice, by solid constituent is through high-temperature-hot-water isothermal holding and filters, is obtained
Filtrate one and residue one；
Step 2, residue one is added to the water into soak in acid condition to handle and filter, obtains filtrate two and residue two；
Step 3, impurity elimination after filtrate one is merged with filtrate two, extracts pectin；
Step 4, residue two is bleached or carries out high temperature alkali process, Ran Houshou again after first bleaching again after first high temperature alkali process
Collect solids, obtain residue three, wherein high-temperature alkali is processed as residue two being added to the water the processing of soak in the basic conditions；
Step 5, pH to 6-8 will be adjusted after residue three, water and dispersant, homogeneous, drying obtain fibrous finished product.
2. the method for preparing pectin and fiber continuous from fruit according to claim 1, it is characterised in that in step 1
The process of isolated solid constituent obtains solid to clean up pericarp and pulp after fruit is squeezed the juice after fruit is squeezed the juice
Composition, or drying, crushing, obtain solid constituent.
3. the method for preparing pectin and fiber continuous from fruit according to claim 2, it is characterised in that the drying
Temperature be 50-100 DEG C.
4. the method for preparing pectin and fiber continuous from fruit according to claim 1, it is characterised in that in step 1
The high-temperature-hot-water isothermal holding is incubated 5-30 minutes for solid constituent is dispersed in water under the conditions of 90-100 DEG C.
5. the method for preparing pectin and fiber continuous from fruit according to claim 1, it is characterised in that in step 1
Described is that solid constituent first is converted into dry matter weight through high-temperature-hot-water isothermal holding by solid constituent, according to dry and water
Weight ratio be 1:15-1:25 are added water, and heating and thermal insulation processing is then carried out again.
6. the method for preparing pectin and fiber continuous from fruit according to claim 1, it is characterised in that in step 2
It is described that residue one is added to the water for residue one first is converted into dry matter weight, it is then 1 according to dry and water weight ratio:
15-1:25 add water.
7. the method for preparing pectin and fiber continuous from fruit according to claim 1, it is characterised in that in step 2
Soak is processed as residue one being added to the water under the acid condition, and regulation pH is 1-2.5, is protected under the conditions of 70-85 DEG C
Warm 60-120min.
8. the method for preparing pectin and fiber continuous from fruit according to claim 1, it is characterised in that in step 3
The mode for extracting pectin is to extract pectin by ethanol precipitating.
9. the method for preparing pectin and fiber continuous from fruit according to claim 1, it is characterised in that in step 4
The high-temperature alkali is processed as residue two being added to the water, and pH is to alkalescence for regulation, then heats to 75-95 DEG C, is incubated 30-
120min。
10. the method for preparing pectin and fiber continuous from fruit according to claim 1, it is characterised in that in step 4
It is described that residue two is added to the water for residue two first is converted into dry matter weight, it is then 1 according to dry and water weight ratio:
15-1:25 add water.
11. the method for preparing pectin and fiber continuous from fruit according to claim 1, it is characterised in that in step 4
The process of the bleaching adds the H that percent by volume is 1-2% for residue two is dispersed in water2O2,Then sealed,
10-30min is incubated under the conditions of 30-60 DEG C, is washed after filtering.
12. the method for preparing pectin and fiber continuous from fruit according to claim 1, it is characterised in that in step 5
The ratio of residue three, water and dispersant, for residue three is converted into dry matter weight, is 1 according to the weight ratio of dry and water:
40-1:70 add water；Dispersant is added according to the 0%-40% of dry matter weight.
13. the method for preparing pectin and fiber continuous from fruit according to claim 1, it is characterised in that in step 5
Dispersant is sodium carboxymethylcellulose, and the temperature of residue three, water and dispersant is 40-65 DEG C.
14. the method for preparing pectin and fiber continuous from fruit according to claim 1, it is characterised in that in step 5
40-65 DEG C of homogenizing temperature, homogenization pressure 10-30MPa, homogenization cycles are 1-3 times.
15. the method for preparing pectin and fiber continuous from fruit according to claim 8, the ethanol precipitating is addition
Mass concentration 80-95% ethanol precipitating, precipitating pH value 1-2.5, time 1-2h.
16. the method for preparing pectin and fiber continuous from fruit according to claim 9, regulation pH to alkalescence pH models
Enclose for 7.5-14.
17. a kind of method for preparing pectin and fiber continuous from fruit, it is characterised in that comprise the following steps：
（1）Fruit is squeezed the juice, the dregs of pericarp and pulp is rinsed well rear standby or 50-100 DEG C of drying, crushes, collect standby
With；
（2）Weigh step（1）In solid constituent, by solid-to-liquid ratio 1:15-1:25 add water, 90-100 DEG C of insulation 5-30min, mistake
Filter, collection filtrate, residue are standby；
（3）Weigh step（2）In residue, dry matter weight is converted into, by solid-to-liquid ratio 1:15-1:25 add water, and regulation pH is 1-
2.5,70-85 DEG C of insulation 60-120min, filtering, collection filtrate, residue are standby；
（4）By step（2）And step（3）In filtrate merge, the removal of impurity is gone in centrifugation, filtering, is concentrated, and adds mass concentration 80-
95% ethanol precipitating, precipitating pH value 1-2.5, time 1-2h extract pectin；
（5）Take step（3）In residue through colloid mill defibrination, the filtering of 40-80 mesh collects filter residue standby；
（6）Take step（5）In filter residue, dry matter weight is converted into, by solid-to-liquid ratio 1:15-1:25 add water, and pH is to alkalescence for regulation,
75-95 DEG C of insulation 30-120min；
（7）By step（6）In solution be cooled to 30-60 DEG C, and add volume ratio 1-2% H2O2, sealing, 30-60 DEG C of insulation
10-30min, filtering washing, collects residue standby；
（8）Take step（7）In residue, dry matter weight is converted into, by solid-to-liquid ratio 1:40-1:70 add 40-65 DEG C of water, and
Dry matter weight 0%-40% sodium carboxymethylcellulose is added, 15min, regulation pH value of solution 6-8 is stirred, 40-65 DEG C carries out homogeneous,
Homogenization pressure 10-30MPa, homogenization cycles are 1-3 times；
（9）By step（8）Solution after middle homogeneous is dried using spray drying or drum drying equipment, obtain fiber into
Product.
18. the continuous method for preparing pectin and fiber from fruit according to claim 1 or 17, it is characterised in that step
Fruit described in rapid 1 is citrus fruit.
19. the application of pectin or fibrous finished product that claim 1 or 17 is prepared in food.
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| CN201710363722.7A CN107319509B (en) | 2017-05-22 | 2017-05-22 | Method for continuously preparing pectin and fiber from fruits |
| PCT/CN2018/086472 WO2018214753A1 (en) | 2017-05-22 | 2018-05-11 | Method for continuously preparing pectin and fiber from fruits |
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| CN108013148A (en) * | 2018-02-02 | 2018-05-11 | 河北兄弟伊兰食品科技股份有限公司 | A kind of suspension stabilizer and suspended particulate peanut milk beverage and both preparation methods |
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| CN109259250A (en) * | 2018-07-24 | 2019-01-25 | 华南理工大学 | A kind of high retentiveness citrus dietary fiber and preparation method thereof |
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| WO2018214753A1 (en) | 2018-11-29 |
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