CN104621495B - A kind of dragon fruit pericarp activity food fibre powder and preparation method thereof - Google Patents
A kind of dragon fruit pericarp activity food fibre powder and preparation method thereof Download PDFInfo
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- CN104621495B CN104621495B CN201510088825.8A CN201510088825A CN104621495B CN 104621495 B CN104621495 B CN 104621495B CN 201510088825 A CN201510088825 A CN 201510088825A CN 104621495 B CN104621495 B CN 104621495B
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- 235000018481 Hylocereus undatus Nutrition 0.000 title claims abstract description 63
- 239000000843 powder Substances 0.000 title claims abstract description 60
- 239000000835 fiber Substances 0.000 title claims abstract description 40
- 230000000694 effects Effects 0.000 title claims abstract description 32
- 235000013305 food Nutrition 0.000 title claims abstract description 31
- 238000002360 preparation method Methods 0.000 title claims abstract description 15
- 239000000706 filtrate Substances 0.000 claims abstract description 42
- 239000000463 material Substances 0.000 claims abstract description 39
- 238000001035 drying Methods 0.000 claims abstract description 26
- 238000000034 method Methods 0.000 claims abstract description 18
- 238000012545 processing Methods 0.000 claims abstract description 6
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- 239000003963 antioxidant agent Substances 0.000 claims description 9
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- 230000009514 concussion Effects 0.000 claims description 6
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- 229910021641 deionized water Inorganic materials 0.000 claims description 6
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- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 2
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- 239000011425 bamboo Substances 0.000 claims description 2
- 238000005119 centrifugation Methods 0.000 claims description 2
- 235000020748 rosemary extract Nutrition 0.000 claims description 2
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- 239000000203 mixture Substances 0.000 abstract description 4
- 238000000227 grinding Methods 0.000 abstract description 3
- 230000036541 health Effects 0.000 abstract description 3
- 235000013399 edible fruits Nutrition 0.000 abstract description 2
- 238000004880 explosion Methods 0.000 abstract 1
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- YYGNTYWPHWGJRM-UHFFFAOYSA-N (6E,10E,14E,18E)-2,6,10,15,19,23-hexamethyltetracosa-2,6,10,14,18,22-hexaene Chemical compound CC(C)=CCCC(C)=CCCC(C)=CCCC=C(C)CCC=C(C)CCC=C(C)C YYGNTYWPHWGJRM-UHFFFAOYSA-N 0.000 description 1
- 239000004380 Cholic acid Substances 0.000 description 1
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- 108010082495 Dietary Plant Proteins Proteins 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
- 229920002488 Hemicellulose Polymers 0.000 description 1
- 241001677302 Hylocereus Species 0.000 description 1
- 208000001953 Hypotension Diseases 0.000 description 1
- 241001529246 Platymiscium Species 0.000 description 1
- 230000002292 Radical scavenging effect Effects 0.000 description 1
- NCYCYZXNIZJOKI-OVSJKPMPSA-N Retinaldehyde Chemical compound O=C\C=C(/C)\C=C\C=C(/C)\C=C\C1=C(C)CCCC1(C)C NCYCYZXNIZJOKI-OVSJKPMPSA-N 0.000 description 1
- BHEOSNUKNHRBNM-UHFFFAOYSA-N Tetramethylsqualene Natural products CC(=C)C(C)CCC(=C)C(C)CCC(C)=CCCC=C(C)CCC(C)C(=C)CCC(C)C(C)=C BHEOSNUKNHRBNM-UHFFFAOYSA-N 0.000 description 1
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- 150000001299 aldehydes Chemical class 0.000 description 1
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- BHQCQFFYRZLCQQ-OELDTZBJSA-N cholic acid Chemical compound C([C@H]1C[C@H]2O)[C@H](O)CC[C@]1(C)[C@@H]1[C@@H]2[C@@H]2CC[C@H]([C@@H](CCC(O)=O)C)[C@@]2(C)[C@@H](O)C1 BHQCQFFYRZLCQQ-OELDTZBJSA-N 0.000 description 1
- 229960002471 cholic acid Drugs 0.000 description 1
- 235000019416 cholic acid Nutrition 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- KXGVEGMKQFWNSR-UHFFFAOYSA-N deoxycholic acid Natural products C1CC2CC(O)CCC2(C)C2C1C1CCC(C(CCC(O)=O)C)C1(C)C(O)C2 KXGVEGMKQFWNSR-UHFFFAOYSA-N 0.000 description 1
- 206010012601 diabetes mellitus Diseases 0.000 description 1
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- 230000037213 diet Effects 0.000 description 1
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- PRAKJMSDJKAYCZ-UHFFFAOYSA-N dodecahydrosqualene Natural products CC(C)CCCC(C)CCCC(C)CCCCC(C)CCCC(C)CCCC(C)C PRAKJMSDJKAYCZ-UHFFFAOYSA-N 0.000 description 1
- 235000020419 dragon fruit juice Nutrition 0.000 description 1
- 235000004626 essential fatty acids Nutrition 0.000 description 1
- 230000029142 excretion Effects 0.000 description 1
- 210000003746 feather Anatomy 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 238000007380 fibre production Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 244000144992 flock Species 0.000 description 1
- 235000019990 fruit wine Nutrition 0.000 description 1
- 235000012055 fruits and vegetables Nutrition 0.000 description 1
- 230000002496 gastric effect Effects 0.000 description 1
- 239000008103 glucose Substances 0.000 description 1
- 230000008821 health effect Effects 0.000 description 1
- 235000013402 health food Nutrition 0.000 description 1
- 208000019622 heart disease Diseases 0.000 description 1
- 201000001421 hyperglycemia Diseases 0.000 description 1
- 230000002218 hypoglycaemic effect Effects 0.000 description 1
- 208000021822 hypotensive Diseases 0.000 description 1
- 230000001077 hypotensive effect Effects 0.000 description 1
- 230000036039 immunity Effects 0.000 description 1
- 230000000968 intestinal effect Effects 0.000 description 1
- 235000015094 jam Nutrition 0.000 description 1
- 229920005610 lignin Polymers 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 229920001542 oligosaccharide Polymers 0.000 description 1
- 150000002482 oligosaccharides Chemical class 0.000 description 1
- 230000008855 peristalsis Effects 0.000 description 1
- 230000035790 physiological processes and functions Effects 0.000 description 1
- 235000020945 retinal Nutrition 0.000 description 1
- 239000011604 retinal Substances 0.000 description 1
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- 229940031439 squalene Drugs 0.000 description 1
- TUHBEKDERLKLEC-UHFFFAOYSA-N squalene Natural products CC(=CCCC(=CCCC(=CCCC=C(/C)CCC=C(/C)CC=C(C)C)C)C)C TUHBEKDERLKLEC-UHFFFAOYSA-N 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
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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
Landscapes
- Medicines Containing Plant Substances (AREA)
- Coloring Foods And Improving Nutritive Qualities (AREA)
- Preparation Of Fruits And Vegetables (AREA)
Abstract
The invention belongs to health care of food product processing technique field, and in particular to a kind of dragon fruit pericarp activity food fibre powder and preparation method thereof.The present invention after dragon fruit pericarp explosion puffing drying by will crush, dragon fruit pericarp after crushing is subjected to soak extraction water-soluble dietary fiber composition, the content for by filter residue digest and further improving water-soluble dietary fiber composition is filtered afterwards, it filtrate will be spray-dried, be crushed after filter residue is mixed with dragon fruit fruit seed, microwave drying twice；Ultramicro grinding is carried out after spray drying is mixed in proportion with the material after microwave drying, grain fineness is further reduced, the activity of material can be improved.
Description
Technical field
The invention belongs to health care of food product processing technique field, and in particular to a kind of dragon fruit pericarp activity food fibre powder
And preparation method thereof.
Background technology
Dietary fiber (dietary fibre, DF) is that a kind of plant polysaccharides are birdsed of the same feather flock together the general name of compound, it is impossible to is disappeared by human body
Change road enzyme to decompose, but improve food quality because it has, reduce foodstuff calories, promote intestines peristalsis, increase satiety, prevention fertilizer
Fat disease and intestines problem, norcholesterol, hypoglycemic, hypotensive, inoxidizability and radical scavenging activity, improve human immunity energy
The physiological functions such as power, also as the indispensable material of human body, it is referred to as " the seventh-largest nutrient " of the mankind.Dietary fiber is divided into
Water-soluble dietary fiber (soluble dietary fiber, SDF) and water insoluble dietary fiber (insoluble dietary
Fiber, IDF) two classes.
Insoluble diedairy fiber mainly includes that cellulose, hemicellulose, lignin etc. are not molten, chew not rotten " residue ",
Its effect is Constipation and obesity.Its main function in human body is filling gastrointestinal cavity, stimulates intestinal wall to wriggle, makes excrement
More water, it is loose, increase capacity, these critical functions can with the excretion of endogenous in acceleration bodies and heterotoxin rubbish, so as to
Prevention of various diseases, beauty treatment are anti-old.Soluble Fiber mainly resistant oligosaccharides, modified cellulose, synthesis polysaccharide and natural plant gum
Body etc..Soluble Fiber water swelling, volume can increase several ten times larger, formation gelatinous mass.On the one hand it can make one to produce full abdomen
Sense, on the other hand can extend food residence time in stomach, slow down the absorbed speed of sugar, avoid unexpected hyperglycaemia from showing
As helpful to the state of an illness of stablizing diabetic.Soluble Fiber can also be combined with cholic acid and discharged with excrement, be contributed to
Cholesterol is reduced, reduces because of the symptom such as heart disease, hypertension derived from high cholesterol, be the leading of current health food industry
Product.Therefore exploitation diet fiber of high soluble product has important to diseases such as preventing hypertension, high cholesterol and obesities
Meaning.
Dragon fruit (Hylocereusundatus), also known as Green Dragon fruit, Yu Longguo, it is Cactaceae hylocereus platymiscium
Fruit, originating from Central America, Vietnam, Thailand's equal distribution are wider, and China is mainly distributed on the ground such as Guangxi, Yunnan, Guizhou, Fujian,
With the development of fruit and vegetable greenhouses planting technology, also there is small range plantation on the ground such as Hunan, Jiangxi.Dragon fruit has higher nutriture value
It is worth, rich in dietary fiber, vitamin etc. in pulp.Contain substantial amounts of dietary fiber in pitaya peel, but at present pitaya peel
Often directly abandoned as raw material discarded object in process, cause the serious waste of resource.Chinese patent
201110298272.0 disclose a kind of Pitaya pericarp dietary fiber powder, the food fibre powder by clean, dry, crush and
Directly be made Pitaya pericarp dietary fiber powder after screening, the food fibre powder contain dietary fiber not less than 69%,
6.63%~7.03% vegetable protein, 1.00%~2.14% vegetative grease and 6.82%~7.96% aldehydes matter,
For wherein soluble dietary fibre content not less than 24.1%, the ratio of soluble dietary fiber and insoluble diedairy fiber is 1:
1.32~1:1.99.
The content of the invention
To solve deficiency of the prior art, there is provided a kind of higher active dietary fiber production of water soluble dietary fiber content
Product, it using the accessory substance pitaya peel in the process such as dragon fruit juice, jam, fruit wine is raw material that the purpose of the present invention, which is,
A kind of dragon fruit pericarp activated fibre powder is developed for food industry and health products trade, to improve dragon fruit comprehensive utilization ratio, is carried
Its Additional Value of Commodities is risen, further promotes the business development and application of dragon fruit.
To achieve the above object, the present invention is achieved through the following technical solutions：
A kind of preparation method of dragon fruit pericarp activity food fibre powder, comprises the following steps：
(1) Feedstock treating：Pitaya peel is cleaned, stripping and slicing is standby；
(2) dry：It is 20-35% by pitaya peel drying to the moisture after step (1) processing, the dry use
Changing temperature-pressure-difference and puffing is dried；The process carries out pitaya peel preliminary expanded, increasing during pitaya peel is dried
Add material intermediate gaps degree, this structure of material make it that water-soluble substances is easier to leach in immersion process, when shortening immersion
Between, improve operating efficiency；
(3) crush：Dried pitaya peel is crushed to 80-100 mesh sieves in pulverizer, obtains pitaya peel powder, it is standby
With；
(4) clear water soaks：Pitaya peel powder in step (3) is soaked into 10-20h with deionized water, adopted in immersion process
Handled with ultrasonic wave added, ultrasonic power 400-800w；Promote the dissolution of water-soluble substances in ultrasonic procedure,
(5) filter, digest：Pitaya peel powder filtering after step (4) immersion, collects filtrate and filter residue respectively, collected
Filtrate is filtrate a, standby；Filter residue is taken to add enzyme deactivation after the compound enzyme system concussion enzymolysis 2-5h of cellulase, protease, mistake after centrifugation
Filter, collects filtrate and merges to obtain filtrate b with filtrate a, and filter residue and drying to moisture to 10-15% is obtained into filter residue a, standby；
(6) it is spray-dried：It is 10-15% that filtrate b, which is spray-dried in spray dryer to water content, and collection material is thing
Expect a；
(7) preparation of dragon fruit seed powder：Dragon fruit seed is cleaned up, is 1 by dragon fruit seed and filter residue a mass ratioes:5-
Dragon fruit seed is well mixed by 10 ratio with filter residue a, and microwave drying to water content 10-15% obtains material b, standby；Using micro-
Ripple drying process sterilizes to material simultaneously during drying, can save the single sterilization process of product；
(8) crushing packing：It is 2-5 in mass ratio by material a and material b:1-10 ratio is well mixed, and adds material
A mass 0.01-0.05% antioxidant, is crushed to 200-300 mesh in micronizer, produces required dragon fruit pericarp and lives
Property fiber powder；Antioxidant is added in ultramicro grinding, can effectively avoid the caused high temperature in subtle powder smash cause aliphatic acid,
Vitamin isoreactivity composition is oxidized and lost activity.
Wherein, step (5) the enzymolysis process cellulase, proteinase activity power ratio are 1:2-4, addition are filter residue matter
The 0.2-1.0% of amount.
Wherein, step (2) the changing temperature-pressure-difference and puffing drying process is to load in Bulking tank pitaya peel, be filled with guarantor
Air in gas venting tank is protected, in swelling temperature 80, DEG C bulking pressure difference 0.5MPa, dead time 5-15min, evacuation temperature
It is dried under conditions of 70-85, DEG C evacuated time 1-3h.
Wherein, the antioxidant in step (8) crushing packing is one in Rosmarinus officinalis extract, bamboo extractive
Kind.
A kind of dragon fruit pericarp activity food fibre powder prepared as stated above.
The present invention is carried out after first dragon fruit pericarp is crushed during preparing dragon fruit pericarp activity food fibre powder
Soak, auxiliary ultrasonic processing in immersion process so that the water-soluble dietary fiber in pericarp fully dissolves, and improves in leaching liquor
Dietary fiber component；Filter afterwards and digested filter residue, protein content is reduced using protease, using cellulase by fibre
Dimension element carries out decomposing the content for improving water-soluble substances, cross after rate filtrate and leaching liquor while be spray-dried is obtained it is water-soluble
Property food fibre powder.Filter residue and dragon fruit seed are subjected to co-grinding simultaneously food fibre powder is made.Contain in dragon fruit seed
45% essential fatty acid, 3% retinene, 6% squalene composition, these materials are respectively provided with higher health-care effect, because
This addition dragon fruit seed carries the antioxidation activity and health properties of also high product while can further improve dietary fiber content.
The physical and chemical index of active food fibre powder prepared by the present invention is as shown in table 1 below.
The food fibre powder physical and chemical quality of the present invention of table 1
| Project | Content % |
| Soluble dietary fiber % | 31.2-37.4 |
| Insoluble dietary fiber % | 38.4-45.0 |
| Vegetative grease % | 1.37-1.52 |
| Retentiveness g/g | 45.21-55.10 |
| Holding oiliness g/g | 2.71-2.96 |
| Swellability mL/g | 42.55-50.14 |
| Glucose retardation coefficient % | 5.067-60.24 |
As shown in Table 1, food fibre powder soluble dietary fibre content of the invention is higher and has higher activity.
Embodiment
With reference to specific embodiment, the invention will be further described, but protection scope of the present invention be not limited in
Lower embodiment.
Embodiment 1
A kind of preparation method of dragon fruit pericarp activity food fibre powder, comprises the following steps：
(1) Feedstock treating：Pitaya peel is cleaned, stripping and slicing is standby；
(2) dry：Pitaya peel drying to the moisture after step (1) processing is contained using changing temperature-pressure-difference and puffing dry technology
Measure as 20-35%；
(3) crush：Dried pitaya peel is crushed to 80-100 mesh sieves in pulverizer, obtains pitaya peel powder, it is standby
With；
(4) clear water soaks：Pitaya peel powder in step (3) is soaked into 10-20h with deionized water, adopted in immersion process
Handled with ultrasonic wave added, ultrasonic power 400-800w；
(5) filter, digest：Pitaya peel powder filtering after step (4) immersion, collects filtrate and filter residue respectively, collected
Filtrate is filtrate a, standby；Filter residue is taken to add enzyme deactivation after the compound enzyme system concussion enzymolysis 2-5h of cellulase, protease, cellulose
Enzyme, proteinase activity power ratio are 1:2-4, addition are the 0.2-1.0% of filter residue quality.Centrifuge, filter after the completion of enzymolysis, collect
Filtrate merges to obtain filtrate b with filtrate a, and filter residue and drying to moisture to 10-15% is obtained into filter residue a, standby；
(6) it is spray-dried：It is 10-15% that filtrate b, which is spray-dried in spray dryer to water content, and collection material is thing
Expect a；
(7) preparation of dragon fruit seed powder：Dragon fruit seed is cleaned up, is 1 by dragon fruit seed and filter residue a mass ratioes:5-
Dragon fruit seed is well mixed by 10 ratio with filter residue a, and microwave drying to water content 10-15% obtains material b, standby；
(8) crushing packing：It is 2-5 in mass ratio by material a and material b:1-10 ratio is well mixed, and adds material
A mass 0.01-0.05% antioxidant, is crushed to 200-300 mesh in micronizer, produces required dragon fruit pericarp and lives
Property fiber powder.
Embodiment 2
A kind of preparation method of dragon fruit pericarp activity food fibre powder, comprises the following steps：
(1) Feedstock treating：Pitaya peel is cleaned, stripping and slicing is standby；
(2) dry：Pitaya peel is loaded in Bulking tank, is filled with air in protective gas venting tank, in swelling temperature 80,
Done under conditions of DEG C bulking pressure difference 0.5MPa, dead time 5-15min, evacuation temperature 70-85, DEG C evacuated time 1-3h
It is dry to pitaya peel drying to moisture be 20-35%；
(3) crush：Dried pitaya peel is crushed to 80 mesh sieves in pulverizer, obtains pitaya peel powder, it is standby；
(4) clear water soaks：Pitaya peel powder in step (3) is soaked into 20h with deionized water, used in immersion process super
Sound aid in treatment, ultrasonic power 800w；
(5) filter, digest：Pitaya peel powder filtering after step (4) immersion, collects filtrate and filter residue respectively, collected
Filtrate is filtrate a, standby；Take filter residue add cellulase, protease compound enzyme system concussion enzymolysis 5h after enzyme deactivation, cellulase,
Proteinase activity power ratio is 1:2, addition is the 1.0% of filter residue quality.Centrifuge, filter after the completion of enzymolysis, collect filtrate and filter
Liquid a merges to obtain filtrate b, by filter residue and drying to moisture to 15% filter residue a, it is standby；
(6) it is spray-dried：It is 15% that filtrate b, which is spray-dried in spray dryer to water content,；Collection material is material
a；
(7) prepared by dragon fruit seed powder：Dragon fruit seed is cleaned up, is 1 by dragon fruit seed and filter residue a mass ratioes:5-10
Ratio dragon fruit seed is well mixed with filter residue a, microwave drying to water content 15% material b, it is standby；
(8) crushing packing：It is 5 in mass ratio by material a and material b:1 ratio is well mixed, and adds material a mass
0.01% antioxidant, 200-300 mesh is crushed in micronizer, produces required dragon fruit pericarp activated fibre powder.
Embodiment 3
A kind of preparation method of dragon fruit pericarp activity food fibre powder, comprises the following steps：
(1) Feedstock treating：Pitaya peel is cleaned, stripping and slicing is standby；
(2) dry：Pitaya peel is loaded in Bulking tank, is filled with air in protective gas venting tank, in swelling temperature 80,
DEG C bulking pressure difference 0.5MPa, dead time 5min, evacuation temperature 85, it is dried to flue under conditions of DEG C evacuated time 3h
Pericarp drying to moisture is 20%；
(3) crush：Dried pitaya peel is crushed to 100 mesh sieves in pulverizer, obtains pitaya peel powder, it is standby；
(4) clear water soaks：Pitaya peel powder in step (3) is soaked into 10h with deionized water, used in immersion process super
Sound aid in treatment, ultrasonic power 400w；
(5) filter, digest：Pitaya peel powder filtering after step (4) immersion, collects filtrate and filter residue respectively, collected
Filtrate is filtrate a, standby；Take filter residue add cellulase, protease compound enzyme system concussion enzymolysis 2h after enzyme deactivation, cellulase,
Proteinase activity power ratio is 1:4, addition is the 0.2% of filter residue quality.Centrifuge, filter after the completion of enzymolysis, collect filtrate and filter
Liquid a merges to obtain filtrate b, and filter residue and drying to moisture to 10-15% is obtained into filter residue a, standby；
(6) it is spray-dried：It is 10-15% that filtrate b, which is spray-dried in spray dryer to water content,；Collection material is thing
Expect a；
(7) prepared by dragon fruit seed powder：Dragon fruit seed is cleaned up, is 1 by dragon fruit seed and filter residue a mass ratioes:5-10
Ratio dragon fruit seed is well mixed with filter residue a, microwave drying to water content 10% material b, it is standby；
(8) crushing packing：It is 1 in mass ratio by material a and material b:5 ratio is well mixed, and adds material a mass
0.05% antioxidant, 200-300 mesh is crushed in micronizer, produces required dragon fruit pericarp activated fibre powder.
Embodiment 4
A kind of preparation method of dragon fruit pericarp activity food fibre powder, comprises the following steps：
(1) Feedstock treating：Pitaya peel is cleaned, stripping and slicing is standby；
(2) dry：Pitaya peel is loaded in Bulking tank, is filled with air in protective gas venting tank, in swelling temperature 80,
DEG C bulking pressure difference 0.5MPa, dead time 15min, evacuation temperature 70, it is dried to fire under conditions of DEG C evacuated time 1h
Imperial pericarp drying to moisture is 20-35%；
(3) crush：Dried pitaya peel is crushed to 80-100 mesh sieves in pulverizer, obtains pitaya peel powder, it is standby
With；
(4) clear water soaks：Pitaya peel powder in step (3) is soaked into 15h with deionized water, used in immersion process super
Sound aid in treatment, ultrasonic power 600w；
(5) filter, digest：Pitaya peel powder filtering after step (4) immersion, collects filtrate and filter residue respectively, collected
Filtrate is filtrate a, standby；Filter residue is taken to add enzyme deactivation after the compound enzyme system concussion enzymolysis 2-5h of cellulase, protease, cellulose
Enzyme, proteinase activity power ratio are 1:3, addition is the 0.6% of filter residue quality.After the completion of enzymolysis centrifuge, filter, collect filtrate with
Filtrate a merges to obtain filtrate b, and filter residue and drying to moisture to 10-15% is obtained into filter residue a, standby；
(6) it is spray-dried：It is 10-15% that filtrate b, which is spray-dried in spray dryer to water content,；Collection material is thing
Expect a；
(7) prepared by dragon fruit seed powder：Dragon fruit seed is cleaned up, is 1 by dragon fruit seed and filter residue a mass ratioes:5-10
Ratio dragon fruit seed is well mixed with filter residue a, microwave drying to water content 10-15% obtains material b, standby；
(8) crushing packing：It is 4 in mass ratio by material a and material b:1 ratio is well mixed, and adds material a mass
0.025% antioxidant, 200-300 mesh is crushed in micronizer, produces required dragon fruit pericarp activated fibre powder.
Embodiment 5
A kind of dragon fruit pericarp activity food fibre powder prepared such as embodiment 1.
Embodiment 6
A kind of dragon fruit pericarp activity food fibre powder prepared such as embodiment 2.
Embodiment 7
A kind of dragon fruit pericarp activity food fibre powder prepared such as embodiment 3.
Embodiment 8
A kind of dragon fruit pericarp activity food fibre powder prepared such as embodiment 4.
Claims (4)
1. a kind of preparation method of dragon fruit pericarp activity food fibre powder, it is characterised in that comprise the following steps：
(1) Feedstock treating：Pitaya peel is cleaned, stripping and slicing is standby；
(2) dry：It is 20-35% by pitaya peel drying to the moisture after step (1) processing, the drying uses alternating temperature
Pressure-difference and puffing is dried；The changing temperature-pressure-difference and puffing drying process is to load pitaya peel in Bulking tank, is filled with protective gas row
Air in tank is removed, in 80 DEG C of swelling temperature, bulking pressure difference 0.5MPa, dead time 5-15min, 70-85 DEG C of evacuation temperature, is taken out
It is dried between space-time under conditions of 1-3h；
(3) crush：Dried pitaya peel is crushed to 80-100 mesh sieves in pulverizer, obtains pitaya peel powder, it is standby；
(4) clear water soaks：Pitaya peel powder in step (3) is soaked into 10-20h with deionized water, used in immersion process super
Sound aid in treatment, ultrasonic power 400-800w；
(5) filter, digest：Pitaya peel powder filtering after step (4) immersion, collects filtrate and filter residue, collected filtrate respectively
It is standby for filtrate a；Take filter residue to add enzyme deactivation after the compound enzyme system concussion enzymolysis 2-5h of cellulase, protease, filtered after centrifugation,
Collect filtrate and merge to obtain filtrate b with filtrate a, filter residue and drying to moisture to 10-15% is obtained into filter residue a, it is standby；
(6) it is spray-dried：It is 10-15% that filtrate b, which is spray-dried in spray dryer to water content, and collection material obtains material a；
(7) preparation of dragon fruit seed powder：Dragon fruit seed is cleaned up, is 1 by dragon fruit seed and filter residue a mass ratioes:5-10's
Dragon fruit seed is well mixed by ratio with filter residue a, and microwave drying to water content is that 10-15% obtains material b, standby；
(8) crushing packing：It is 2-5 in mass ratio by material a and material b:1-10 ratio is well mixed, and adds material a matter
0.01-0.05% antioxidant is measured, 200-300 mesh is crushed in micronizer, produces required dragon fruit pericarp activity
Fiber powder.
2. a kind of preparation method of dragon fruit pericarp activity food fibre powder as claimed in claim 1, it is characterised in that described
Step (5) enzymolysis process cellulase, proteinase activity power ratio are 1:2-4, addition are the 0.2-1.0% of filter residue quality.
3. a kind of preparation method of dragon fruit pericarp activity food fibre powder as claimed in claim 1, it is characterised in that described
Antioxidant in step (8) crushing packing is Rosmarinus officinalis extract, one kind in bamboo extractive.
A kind of 4. dragon fruit pericarp activity food fibre powder prepared by method as described in claim 1-3 is any.
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| CN107006865A (en) * | 2017-04-01 | 2017-08-04 | 海南大学 | A kind of method that soluble dietary fiber is prepared with dragon fruit pericarp |
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| CN111296782A (en) * | 2018-12-11 | 2020-06-19 | 武汉市吉人实业有限责任公司 | Pitaya whole fruit powder and preparation method thereof |
| CN114304650A (en) * | 2021-12-15 | 2022-04-12 | 云南猫哆哩集团食品有限责任公司 | Preparation method of tamarind fruit mixed dietary fiber pulp |
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