CN106418322B - A kind of method of soluble dietary fibre content in raising apple pomace - Google Patents
A kind of method of soluble dietary fibre content in raising apple pomace Download PDFInfo
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- CN106418322B CN106418322B CN201610840507.7A CN201610840507A CN106418322B CN 106418322 B CN106418322 B CN 106418322B CN 201610840507 A CN201610840507 A CN 201610840507A CN 106418322 B CN106418322 B CN 106418322B
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- 235000013325 dietary fiber Nutrition 0.000 title claims abstract description 58
- 238000000034 method Methods 0.000 title claims abstract description 26
- 238000004880 explosion Methods 0.000 claims abstract description 68
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Substances [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 claims abstract description 42
- 229910000027 potassium carbonate Inorganic materials 0.000 claims abstract description 38
- 239000002994 raw material Substances 0.000 claims abstract description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 30
- 238000005422 blasting Methods 0.000 claims abstract description 27
- 239000012535 impurity Substances 0.000 claims abstract description 18
- 239000007788 liquid Substances 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000004064 recycling Methods 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 230000000192 social effect Effects 0.000 abstract description 2
- 239000000835 fiber Substances 0.000 description 16
- 238000012360 testing method Methods 0.000 description 11
- 230000000052 comparative effect Effects 0.000 description 6
- 235000005911 diet Nutrition 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 6
- 239000002893 slag Substances 0.000 description 6
- 230000000378 dietary effect Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 229920005610 lignin Polymers 0.000 description 4
- 229920002488 Hemicellulose Polymers 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 210000002421 cell wall Anatomy 0.000 description 3
- 230000000593 degrading effect Effects 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 238000000855 fermentation Methods 0.000 description 3
- 229920002521 macromolecule Polymers 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- 239000008280 blood Substances 0.000 description 2
- 210000004369 blood Anatomy 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- HVYWMOMLDIMFJA-DPAQBDIFSA-N cholesterol Chemical compound C1C=C2C[C@@H](O)CC[C@]2(C)[C@@H]2[C@@H]1[C@@H]1CC[C@H]([C@H](C)CCCC(C)C)[C@@]1(C)CC2 HVYWMOMLDIMFJA-DPAQBDIFSA-N 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004151 fermentation Effects 0.000 description 2
- 235000013305 food Nutrition 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000002028 Biomass Substances 0.000 description 1
- 102000004190 Enzymes Human genes 0.000 description 1
- 108090000790 Enzymes Proteins 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 229920002522 Wood fibre Polymers 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 239000004480 active ingredient Substances 0.000 description 1
- 235000015197 apple juice Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 210000004027 cell Anatomy 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 235000012000 cholesterol Nutrition 0.000 description 1
- 235000019987 cider Nutrition 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000037213 diet Effects 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 235000015203 fruit juice Nutrition 0.000 description 1
- 235000011389 fruit/vegetable juice Nutrition 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
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- 238000007689 inspection Methods 0.000 description 1
- 230000000968 intestinal effect Effects 0.000 description 1
- 235000012054 meals Nutrition 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 230000000050 nutritive effect Effects 0.000 description 1
- 239000001814 pectin Substances 0.000 description 1
- 229920001277 pectin Polymers 0.000 description 1
- 235000010987 pectin Nutrition 0.000 description 1
- 230000035790 physiological processes and functions Effects 0.000 description 1
- 230000008638 plant developmental process Effects 0.000 description 1
- 230000008635 plant growth Effects 0.000 description 1
- 150000008442 polyphenolic compounds Chemical class 0.000 description 1
- 235000013824 polyphenols Nutrition 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 150000003384 small molecules Chemical class 0.000 description 1
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- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23V—INDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
- A23V2002/00—Food compositions, function of food ingredients or processes for food or foodstuffs
Abstract
The invention discloses a kind of methods of soluble dietary fibre content in raising apple pomace, include following steps: (1) apple pomace raw material K2CO3Solution preimpregnation, apple pomace raw material are the residue after apple juicing, apple pomace removal of impurities, the K for being 5-20% with mass fraction2CO3Solution preimpregnation, is filtered after preimpregnation, removes K2CO3Solution is rinsed 2-4 times with clear water, obtains preimpregnation apple pomace；(2) apple pomace in (1) is removed moisture by steam explosion, is made apple pomace water content 15-200%, is put into steam explosion cylinder, then moment explosion, obtains explosion status apple pomace；(3) it dries, crush, the apple pomace that steam blasting is obtained is dried to moisture 6% hereinafter, being crushed to granularity 20-120 mesh.Production cost of the present invention is low, and not will cause additional environmental hazard, realizes juicing enterprise to the intractable problem of apple pomace, improves the apple pomace level of resources utilization, solves the problems, such as apple pomace recycling, have extremely far-reaching social effect and economic value.
Description
Technical field
The present invention relates to it is a kind of raising apple pomace in soluble dietary fibre content method, especially a kind of low pollution,
The method that can improve soluble dietary fibre content in apple pomace of low energy consumption.
Background technique
Apple pomace is apple juice concentrate processing byproduct.China is the first big country of world's apple production, in recent years apple
Yield increases year by year, and fruit juice yield also increases rapidly therewith, and 20~25% pomace will be generated in the process of cider.
Enterprise squeeze the juice to there are mainly two types of the processing modes of apple pomace: first is that the exposed stacking of pomace, under this mode, pomace is easily rotten
It is rotten, that is, environment is polluted, and cause to waste；Second is that simple processing is used as feed or fertilizer, added value is extremely low.But apple pomace contains meals
The a variety of active ingredients such as fiber, polyphenols are eaten, VB is in addition also contained6, the multivitamins such as VC and VF, therefore, apple pomace
With great nutritive value.
Dietary fiber is that the seventh-largest nutrient of the mankind according to its deliquescent difference can be divided into soluble dietary fiber
And insoluble dietary fiber, and the content of soluble dietary fiber how much be evaluate one of physiological function of diet fiber it is important
Index.Compared with insoluble dietary fiber, soluble dietary fiber is easier to reduce blood glucose and blood by intestinal flora fermentating metabolism
Cholesterol in slurry.Total dietary fiber is more than 70% in apple pomace, but soluble dietary fibre content is only 3%-9%, therefore,
The content for improving soluble dietary fiber in dietary fiber has significant application value.
There are the following problems for the method for soluble dietary fiber in the raising pomace reported at present: applying alkaline hydrogen peroxide
Apple pomace is handled, soluble dietary fibre content has apparent increase, but the application through processed apple pomace in food is deposited
In certain safety, and the exhaust emission environment that disposes waste liquid；Using extrusion modification technology, soluble dietary fiber in apple pomace
Content increase rate is smaller；Soluble dietary fiber in apple pomace also can be improved using fermentation method, but fermentation process needs valuableness
Corollary equipment, higher cost.
Summary of the invention
The object of the present invention is to provide a kind of method of soluble dietary fibre content in raising apple pomace, this method passes through
Technologies, separation and fiber degrading composition and the lignin such as weak caustic solution preimpregnation, steam explosion, control raw material granularity, make part not
Soluble dietary fiber is converted to soluble dietary fiber, to improve soluble dietary fibre content in apple pomace.This method
Low energy consumption, low cost, is suitable for industrialized production.
The technical scheme is that a method of improve soluble dietary fibre content in apple pomace, feature packet
Containing following steps:
(1) apple pomace raw material K2CO3Solution preimpregnation, apple pomace raw material are the residue after apple juicing, and apple pomace removal of impurities is used
Mass fraction is the K of 5-20%2CO3Solution preimpregnation, apple pomace and K2CO3The ratio of solution is 1:4-1:20(g:mL), preimpregnation temperature
20-70 DEG C of degree presoaks time 1-15 h, filters after preimpregnation, removes K2CO3Solution is rinsed 2-4 times with clear water, is presoaked
Apple pomace；
(2) apple pomace in (1) is removed moisture by steam explosion, is made apple pomace water content 15-200%, is put into steam explosion cylinder
In, pressure 0.2-2.4 MPa, 10-180 s of dwell time, then moment explosion obtain explosion status apple pomace；
(3) it dries, crush, the apple pomace that steam blasting is obtained is dried to moisture 6% hereinafter, being crushed to granularity 20-120
Mesh.
K2CO3Liquid quality fraction 5-20%, apple pomace and K2CO3The solid-to-liquid ratio of solution is 1:4-1:20(g:mL), preimpregnation
20-70 DEG C of temperature, presoak time 1-15h.
K2CO3Apple pomace water content is 15-200%, water vapour pressure 0.2-2.4 MPa, dwell time 10- after solution preimpregnation
180 s, then moment explosion obtain explosion status apple pomace.
Quick-fried rear apple residue drying is dodged, water content control is 6% hereinafter, granularity 20-120 mesh.
The crystalline texture that can destroy cellulosic is pre-processed to apple pomace using the method for strong acid or highly basic, but is handled
Waste liquid afterwards can will cause serious pollution to environment.Apple pomace before explosion is pre-processed using potassium carbonate, in weak base ring
The lignin of apple pomace is largely removed under border, the decomposition of the insoluble diedairy fiber after being conducive to steam explosion and to solubility
The conversion of dietary fiber, and potassium participates in the activation of 60 kinds or more enzyme systems, gives up after processing in plant growth and development process
Liquid not can cause environmental pollution.
Steam explosion technology is a kind of preprocess method rapidly developed in recent years, and major function is the thin of destruction biomass
Cell wall substance, separation or fiber degrading composition and lignin, groundwork mechanism are that raw material is placed in the environment of high temperature, former
Material is full of steam by superheated liquid swollen in hole, the superheated liquid when moment (Millisecond) releases high pressure, in raw material hole
Gasification, volume sharply expand and make cell " explosion " rapidly, to realize that the component of raw material is discrete and structure changes.It is being handled
High-temperature steam is only needed in the process, does not add chemical substance, can make material that physical modification occur.Steam blasting is in wood fibre
Raw material prepares the anaerobic fermentation production biogas of alcohol fuel, stalk etc. technology and has application.Since it can make cell wall broken
It splits, in recent years, steam blasting also makes some progress in the recycling application of food processing by-product.
Apple pomace water content influences the effect of soluble dietary fibre content raising after steam blasting before Steam explosion treatment.
Medium of the moisture as heat transfer and biography energy, facilitates moment blast action macromolecular substances and is converted into small-molecule substance, thus
Make conversion of the insoluble diedairy fiber to soluble dietary fiber.In addition, apple pomace contains a certain amount of moisture, apple can be inhibited
Browning reaction occurs at high temperature under high pressure for pomace.
Apple pomace is dried after steam blasting, is crushed to certain granularity.In crushing process, dodge in quick-fried rear apple pomace
Under the action of the mechanical forces such as shock, shearing, structure will continue to cause different degrees of destruction, fiber insoluble diedairy fiber
Glycosidic bond more easy fracture in plain component further promotes conversion of the insoluble diedairy fiber to soluble dietary fiber.
The beneficial effects of the present invention are:
(1) steam explosion technology can destroy the interconnection between fibre bundle by the abrupt release of vapour pressure, make thin
Cell wall rupture, has the effect of breaking macromolecule crystal structure from molecular level.Apple pomace is handled using steam explosion technology,
Make apple pomace under the action of mechanical force, destroy fibre structure, hemicellulose, the lignin of part of degrading promote pectin, solvable
Property the soluble dietary fibers dissolution such as hemicellulose, and make the indissolubles macromolecule polyalcohols such as cellulose, insoluble hemicellulose
Glycosidic bond fracture occurs modified to be converted into soluble dietary fiber, greatly improves soluble dietary fiber in apple pomace
Content.By testing inspection, using the processed apple pomace of the method for the invention, soluble dietary fiber is by former apple pomace
6.34% increases to 35.93%.As it can be seen that the method for the invention can be such that dietary fiber in apple pomace increases substantially, increase rate is maximum
Up to 466.72%.
(2) raw material of the present invention is presoaked using solution of potassium carbonate, and required steam explosion device equipment is simple, simple process, place
Low energy consumption for reason process, and therefore, production cost of the present invention is low, and not will cause additional environmental hazard, realizes juicing enterprise pair
The intractable problem of apple pomace improves the apple pomace level of resources utilization, solves the problems, such as apple pomace recycling, has extremely deep
Remote social effect and economic value.
Detailed description of the invention
Fig. 1 is raw material and through the method for the present invention treated apple pomace electron-microscope scanning picture
Fig. 2 is the infrared spectrogram of raw material and the soluble dietary fiber extracted through the method for the present invention treated apple pomace
Fig. 3 is the molecular weight distribution of raw material and the soluble dietary fiber extracted through the method for the present invention treated apple pomace
Figure
Note:
In Fig. 2
The infrared spectrogram of 1 soluble dietary fiber extracted for raw material apple pomace；
2 be the infrared spectrogram of the soluble dietary fiber extracted through the method for the present invention treated apple pomace.
Specific embodiment
Embodiment 1
The first step takes 300 g apple pomace raw materials, removal of impurities, the K for being 5% with mass fraction2CO3Solution preimpregnation, apple pomace with
K2CO3The ratio of solution is 1:4(g:mL), 20 DEG C of temperature are presoaked, 1 h of time is presoaked, is filtered after preimpregnation, removes K2CO3
Solution is rinsed 2 times with clear water, obtains preimpregnation apple pomace.
Preimpregnation apple pomace is removed moisture, makes apple pomace water content 15%, be put into steam explosion cylinder by second step, pressure 0.2
MPa, 10 s of dwell time, moment explosion obtain explosion status apple pomace.
Third step, the apple pomace that steam blasting is obtained are dried to moisture 6% hereinafter, being crushed to 20 mesh of granularity, obtain apple
Soluble dietary fibre content is 35% or more in slag.
Embodiment 2
The first step takes 300 g apple pomace raw materials, removal of impurities, the K for being 15% with mass fraction2CO3Solution preimpregnation, apple pomace with
K2CO3The ratio of solution is 1:12(g:mL), temperature 45 C is presoaked, 8 h of time is presoaked, is filtered after preimpregnation, removes K2CO3
Solution is rinsed 2 times with clear water, obtains preimpregnation apple pomace.
Preimpregnation apple pomace is removed moisture, makes apple pomace water content 100%, be put into steam explosion cylinder by second step, pressure 1.2
MPa, 120 s of dwell time, moment explosion obtain explosion status apple pomace.
Third step, the apple pomace that steam blasting is obtained are dried to moisture 6% hereinafter, being crushed to 60 mesh of granularity, obtain apple
Soluble dietary fibre content is 35% or more in slag.
Embodiment 3
The first step takes 300 g apple pomace raw materials, removal of impurities, the K for being 20% with mass fraction2CO3Solution preimpregnation, apple pomace with
K2CO3The ratio of solution is 1:20(g:mL), temperature 70 C is presoaked, 15 h of time is presoaked, is filtered after preimpregnation, is removed
K2CO3Solution is rinsed 2 times with clear water, obtains preimpregnation apple pomace.
Preimpregnation apple pomace is removed moisture, makes apple pomace water content 200%, be put into steam explosion cylinder by second step, pressure 2.4
MPa, 180 s of dwell time, moment explosion obtain explosion status apple pomace.
Third step, the apple pomace that steam blasting is obtained are dried to moisture 6% hereinafter, being crushed to 120 mesh of granularity, obtain apple
Soluble dietary fibre content is 35% or more in pomace.
Embodiment 4
The first step takes 300 g apple pomace raw materials, removal of impurities, the K for being 4% with mass fraction2CO3Solution preimpregnation, apple pomace with
K2CO3The ratio of solution is 1:20(g:mL), 20 DEG C of temperature are presoaked, 15 h of time is presoaked, is filtered after preimpregnation, is removed
K2CO3Solution is rinsed 2 times with clear water, obtains preimpregnation apple pomace.
Preimpregnation apple pomace is removed moisture, makes apple pomace water content 15%, be put into steam explosion cylinder, pressure by second step
0.2MPa, 180 s of dwell time, moment explosion obtain explosion status apple pomace.
Third step, the apple pomace that steam blasting is obtained are dried to moisture 6% hereinafter, being crushed to 20 mesh of granularity, obtain apple
Soluble dietary fibre content is 35% or more in slag.
Embodiment 5
The first step takes 300 g apple pomace raw materials, removal of impurities, the K for being 20% with mass fraction2CO3Solution preimpregnation, apple pomace with
K2CO3The ratio of solution is 1:5(g:mL), 20 DEG C of temperature are presoaked, time 1h is presoaked, is filtered after preimpregnation, removes K2CO3It is molten
Liquid is rinsed 2 times with clear water, obtains preimpregnation apple pomace.
Preimpregnation apple pomace is removed moisture, makes apple pomace water content 200%, be put into steam explosion cylinder by second step, pressure 2.4
MPa, 10 s of dwell time, moment explosion obtain explosion status apple pomace.
Third step, the apple pomace that steam blasting is obtained are dried to moisture 6% hereinafter, being crushed to 120 mesh of granularity, obtain apple
Soluble dietary fibre content is 35% or more in pomace.
Comparative experimental example
Comparative experimental example 1
Test example of the present invention:
The first step takes 300 g apple pomace raw materials (soluble dietary fibre content 6.34%), and removal of impurities is with mass fraction
5% K2CO3Solution preimpregnation, apple pomace and K2CO3The ratio of solution is 1:4(g:mL), 20 DEG C of temperature are presoaked, the time 1 is presoaked
H is filtered after preimpregnation, removes K2CO3Solution is rinsed 2 times with clear water, obtains preimpregnation apple pomace.
Preimpregnation apple pomace is removed moisture, makes apple pomace water content 15%, be put into steam explosion cylinder by second step, pressure 0.2
MPa, 10 s of dwell time, moment explosion obtain explosion status apple pomace.
Third step, the apple pomace that steam blasting is obtained are dried to moisture 6% hereinafter, being crushed to 20 mesh of granularity, obtain apple
Soluble dietary fibre content is 35.12% in slag.
Only with steam blasting test example:
The first step takes 300 g apple pomace raw materials (soluble dietary fibre content 6.34%), and steam explosion cylinder is put into removal of impurities
In, 0.2 MPa of pressure, 10 s of dwell time, moment explosion obtain explosion status apple pomace.
Second step, the apple pomace that steam blasting is obtained are dried to moisture 6% hereinafter, obtaining soluble dietary in apple pomace
Fiber content is 18.36%.
Comparative experimental example 2
Test example of the present invention:
The first step takes 300 g apple pomace raw materials (soluble dietary fibre content 6.34%), and removal of impurities is with mass fraction
15% K2CO3Solution preimpregnation, apple pomace and K2CO3The ratio of solution is 1:12(g:mL), temperature 45 C is presoaked, the time 8 is presoaked
H is filtered after preimpregnation, removes K2CO3Solution is rinsed 2 times with clear water, obtains preimpregnation apple pomace.
Preimpregnation apple pomace is removed moisture, makes apple pomace water content 100%, be put into steam explosion cylinder by second step, pressure 1.2
MPa, 120 s of dwell time, moment explosion obtain explosion status apple pomace.
Third step, the apple pomace that steam blasting is obtained are dried to moisture 6% hereinafter, being crushed to 60 mesh of granularity, obtain apple
Soluble dietary fibre content is 35.93% in slag.
Only with steam blasting test example:
The first step takes 300 g apple pomace raw materials (soluble dietary fibre content 6.34%), and steam explosion cylinder is put into removal of impurities
In, 1.2 MPa of pressure, 120 s of dwell time, moment explosion obtain explosion status apple pomace.
Second step, the apple pomace that steam blasting is obtained are dried to moisture 6% hereinafter, obtaining soluble dietary in apple pomace
Fiber content is 19.20%.
Comparative experimental example 3
Test example of the present invention:
The first step takes 300 g apple pomace raw materials (soluble dietary fibre content 6.34%), and mass fraction is used in removal of impurities
For 20% K2CO3Solution preimpregnation, apple pomace and K2CO3The ratio of solution is 1:20(g:mL), temperature 70 C is presoaked, when preimpregnation
Between 15 h, filtered after preimpregnation, remove K2CO3Solution is rinsed 2 times with clear water, obtains preimpregnation apple pomace.
Preimpregnation apple pomace is removed moisture, makes apple pomace water content 200%, be put into steam explosion cylinder by second step, pressure 2.4
MPa, 180 s of dwell time, moment explosion obtain explosion status apple pomace.
Third step, the apple pomace that steam blasting is obtained are dried to moisture 6% hereinafter, being crushed to 120 mesh of granularity, obtain apple
Soluble dietary fibre content is 35.62% in pomace.
Only with steam blasting test example:
The first step takes 300 g apple pomace raw materials (soluble dietary fibre content 6.34%), and steam explosion cylinder is put into removal of impurities
In, 2.4 MPa of pressure, 180 s of dwell time, moment explosion obtain explosion status apple pomace.
Second step, the apple pomace that steam blasting is obtained are dried to moisture 6% hereinafter, obtaining soluble dietary in apple pomace
Fiber content is 18.38%.
Comparative experimental example 4
Test example of the present invention:
The first step takes 300 g apple pomace raw materials (soluble dietary fibre content 6.34%), and removal of impurities is with mass fraction
4% K2CO3Solution preimpregnation, apple pomace and K2CO3The ratio of solution is 1:20(g:mL), 20 DEG C of temperature are presoaked, the time 15 is presoaked
H is filtered after preimpregnation, removes K2CO3Solution is rinsed 2 times with clear water, obtains preimpregnation apple pomace.
Preimpregnation apple pomace is removed moisture, makes apple pomace water content 15%, be put into steam explosion cylinder, pressure by second step
0.2MPa, 180 s of dwell time, moment explosion obtain explosion status apple pomace.
Third step, the apple pomace that steam blasting is obtained are dried to moisture 6% hereinafter, being crushed to 20 mesh of granularity, obtain apple
Soluble dietary fibre content is 35.37% in slag.
Only with steam blasting test example:
The first step takes 300 g apple pomace raw materials (soluble dietary fibre content 6.34%), and steam explosion cylinder is put into removal of impurities
In, pressure 0.2MPa, 180 s of dwell time, moment explosion obtain explosion status apple pomace.
Second step, the apple pomace that steam blasting is obtained are dried to moisture 6% hereinafter, obtaining soluble dietary in apple pomace
Fiber content is 17.88%.
Comparative experimental example 5
Test example of the present invention:
The first step takes 300 g apple pomace raw materials (soluble dietary fibre content 6.34%), and removal of impurities is with mass fraction
20% K2CO3Solution preimpregnation, apple pomace and K2CO3The ratio of solution is 1:5(g:mL), 20 DEG C of temperature are presoaked, the time is presoaked
1h is filtered after preimpregnation, removes K2CO3Solution is rinsed 2 times with clear water, obtains preimpregnation apple pomace.
Preimpregnation apple pomace is removed moisture, makes apple pomace water content 200%, be put into steam explosion cylinder by second step, pressure 2.4
MPa, 10 s of dwell time, moment explosion obtain explosion status apple pomace.
Third step, the apple pomace that steam blasting is obtained are dried to moisture 6% hereinafter, being crushed to 120 mesh of granularity, obtain apple
Soluble dietary fibre content is 35.76% in pomace.
Only with steam blasting test example:
The first step takes 300 g apple pomace raw materials (soluble dietary fibre content 6.34%), and steam explosion cylinder is put into removal of impurities
In, 2.4 MPa of pressure, 10 s of dwell time, moment explosion obtain explosion status apple pomace.
Second step, the apple pomace that steam blasting is obtained are dried to moisture 6% hereinafter, obtaining soluble dietary in apple pomace
Fiber content is 19.05%.
The above embodiments are merely examples for clarifying the description, and does not limit the embodiments.For institute
For the those of ordinary skill in category field, other various forms of variations or change can also be made on the basis of the above description
It is dynamic.There is no necessity and possibility to exhaust all the enbodiments, and obvious variation extended from this or change
It moves within still in the protection scope of the invention.
Claims (1)
1. a kind of method for improving soluble dietary fibre content in apple pomace, it is characterised in that include following steps:
(1) apple pomace raw material K2CO3Solution preimpregnation, apple pomace raw material are the residue after apple juicing, apple pomace removal of impurities, K2CO3It is molten
Liquid mass fraction is 5-20%, apple pomace and K2CO3The solid-to-liquid ratio of solution is 1:4-1:20(g:mL), 20-70 DEG C of temperature is presoaked, in advance
Time 1-15h is soaked, is filtered after preimpregnation, K is removed2CO3Solution is rinsed 2-4 times with clear water, obtains preimpregnation apple pomace；
(2) apple pomace in (1) is removed moisture by steam explosion, is made apple pomace water content 15-200%, is put into steam explosion cylinder, pressure
Power 0.2-2.4 MPa, dwell time 10-180s, then moment explosion obtain explosion status apple pomace；
(3) it dries, crush, the apple pomace that steam blasting is obtained is dried to moisture 6% hereinafter, being crushed to granularity 20-120 mesh.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610840507.7A CN106418322B (en) | 2016-09-22 | 2016-09-22 | A kind of method of soluble dietary fibre content in raising apple pomace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610840507.7A CN106418322B (en) | 2016-09-22 | 2016-09-22 | A kind of method of soluble dietary fibre content in raising apple pomace |
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| Publication Number | Publication Date |
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| CN110301650A (en) * | 2019-08-05 | 2019-10-08 | 中南林业科技大学 | A kind of modified rice bran dietary fiber and its preparation method and application |
| CN115804440A (en) * | 2022-12-23 | 2023-03-17 | 中国科学院过程工程研究所 | Preparation method of pomace gel |
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| CN101548757A (en) * | 2009-05-08 | 2009-10-07 | 西北农林科技大学 | Insoluble dietary fiber of raisin tree and preparing method thereof |
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| CN104172200A (en) * | 2014-07-23 | 2014-12-03 | 中国农业科学院农产品加工研究所 | Method for increasing content of soluble dietary fibers in apple pomace |
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| CN101736646A (en) * | 2008-11-07 | 2010-06-16 | 中国科学院化学研究所 | Preparation method of reed or straw cellulose pulp |
| CN101548757A (en) * | 2009-05-08 | 2009-10-07 | 西北农林科技大学 | Insoluble dietary fiber of raisin tree and preparing method thereof |
| CN102274249A (en) * | 2011-08-15 | 2011-12-14 | 中国科学院过程工程研究所 | Steam explosion pretreatment method for ginkgo leaves |
| CN102787519A (en) * | 2012-08-29 | 2012-11-21 | 青岛恒生生物制药技术开发有限公司 | Method for preparing soluble kelp cellulose |
| CN104172200A (en) * | 2014-07-23 | 2014-12-03 | 中国农业科学院农产品加工研究所 | Method for increasing content of soluble dietary fibers in apple pomace |
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