CN110463943A - A kind of production method of the canned pear rich in dietary fiber - Google Patents
A kind of production method of the canned pear rich in dietary fiber Download PDFInfo
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- CN110463943A CN110463943A CN201910859468.9A CN201910859468A CN110463943A CN 110463943 A CN110463943 A CN 110463943A CN 201910859468 A CN201910859468 A CN 201910859468A CN 110463943 A CN110463943 A CN 110463943A
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- 235000013325 dietary fiber Nutrition 0.000 title claims abstract description 47
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 16
- 241000220324 Pyrus Species 0.000 claims abstract description 161
- 235000021017 pears Nutrition 0.000 claims abstract description 119
- 239000002893 slag Substances 0.000 claims abstract description 55
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Chemical compound OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 claims abstract description 18
- 239000000047 product Substances 0.000 claims abstract description 17
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 45
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 40
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 25
- 239000007788 liquid Substances 0.000 claims description 22
- 206010033546 Pallor Diseases 0.000 claims description 20
- 239000008213 purified water Substances 0.000 claims description 20
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- 102000004190 Enzymes Human genes 0.000 claims description 13
- 229940088598 enzyme Drugs 0.000 claims description 13
- 238000009835 boiling Methods 0.000 claims description 12
- 230000001376 precipitating effect Effects 0.000 claims description 10
- 239000006228 supernatant Substances 0.000 claims description 10
- 108010059892 Cellulase Proteins 0.000 claims description 9
- 239000012530 fluid Substances 0.000 claims description 9
- 235000021552 granulated sugar Nutrition 0.000 claims description 9
- 229940106157 cellulase Drugs 0.000 claims description 8
- 230000000694 effects Effects 0.000 claims description 6
- 230000001954 sterilising effect Effects 0.000 claims description 6
- 238000004659 sterilization and disinfection Methods 0.000 claims description 6
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- 239000012141 concentrate Substances 0.000 claims description 5
- 230000009849 deactivation Effects 0.000 claims description 5
- 238000007654 immersion Methods 0.000 claims description 5
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- 229920002678 cellulose Polymers 0.000 claims description 3
- 239000006227 byproduct Substances 0.000 abstract description 3
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- 230000009286 beneficial effect Effects 0.000 abstract description 2
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- 235000013399 edible fruits Nutrition 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 206010012601 diabetes mellitus Diseases 0.000 description 3
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- 150000002304 glucoses Chemical class 0.000 description 3
- 235000016709 nutrition Nutrition 0.000 description 3
- 235000005979 Citrus limon Nutrition 0.000 description 2
- 244000131522 Citrus pyriformis Species 0.000 description 2
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- 239000002253 acid Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 208000029078 coronary artery disease Diseases 0.000 description 2
- 229960000935 dehydrated alcohol Drugs 0.000 description 2
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- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
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- 206010009944 Colon cancer Diseases 0.000 description 1
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- IDGUHHHQCWSQLU-UHFFFAOYSA-N ethanol;hydrate Chemical compound O.CCO IDGUHHHQCWSQLU-UHFFFAOYSA-N 0.000 description 1
- 239000003925 fat Substances 0.000 description 1
- 235000019197 fats Nutrition 0.000 description 1
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- 230000036541 health Effects 0.000 description 1
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- 102000004169 proteins and genes Human genes 0.000 description 1
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Classifications
-
- 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
- A23L19/00—Products from fruits or vegetables; Preparation or treatment thereof
- A23L19/03—Products from fruits or vegetables; Preparation or treatment thereof consisting of whole pieces or fragments without mashing the original pieces
-
- 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
- A23L19/00—Products from fruits or vegetables; Preparation or treatment thereof
- A23L19/09—Mashed or comminuted products, e.g. pulp, purée, sauce, or products made therefrom, e.g. snacks
-
- 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
-
- 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
- A23L5/00—Preparation or treatment of foods or foodstuffs, in general; Food or foodstuffs obtained thereby; Materials therefor
- A23L5/30—Physical treatment, e.g. electrical or magnetic means, wave energy or irradiation
-
- 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
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- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Nutrition Science (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Polymers & Plastics (AREA)
- Mycology (AREA)
- Coloring Foods And Improving Nutritive Qualities (AREA)
Abstract
A kind of production method of the canned pear rich in dietary fiber, including following technical step: (1) fresh pears segmentation；(2) pears slag ultra high pressure treatment；(3) pears slag ball mill grinding；(4) preparation of water-soluble pears slag dietary fiber；(5) pears block color protection；(7) liquid glucose configures；(8) tinning；(9) it sterilizes.The present invention prepares dietary fiber using pears slag, to solve by-product in the processing of pears product, provides a kind of new, effective solution scheme, data utilization rate is improved, to economize on resources and environment being protected to play beneficial effect.
Description
Technical field
The invention belongs to food processing technology fields, are related to a kind of production method of canned pear rich in dietary fiber.
Background technique
With the improvement of living standards, the diet of people is increasingly fine, the intake of the food such as high heat, high-fat is significantly
Increase, and the opposite reduction of the intake of dietary fiber, have ignored the balance of diet nutritional.Dietary fiber is thought by nutritionist
It is the seventh-largest nutrient after water, carbohydrate, protein, fat, vitamin, minerals, it can be reduced people's trouble
The risk of hypertension, obesity, constipation, diabetes, the carcinoma of the rectum and colon cancer etc..For a long time, pears slag is all used as animal feeding
Material or it is fermented make fuel even landfill disposal, utilization rate is extremely low, not only wastes nutritional resource abundant, but also dirty
Contaminate environment.Will make can after remaining pears slag as extraction dietary fiber raw material be a kind of effective way to economize on resources.
Dangshan pear contains sugar, acid and multivitamin, vegetal pole horn of plenty.In addition to fresh food, canned pear also can be processed into,
It is the important source material of food industry.Canned pear can effectively save pear freshness and nutritional ingredient, be only second to now pick fruit.Pears tank
Not only pulp is nice for head, but also the taste of fruit is fully immersed into syrup, and the flavor of can water is even also stronger than fruit juice.
Summary of the invention
The purpose of the present invention is to provide a kind of production methods of canned pear rich in dietary fiber.
In order to achieve the above objects and other related objects, present invention provide the technical scheme that a kind of be rich in dietary fiber
Canned pear production method, including the following steps:
Step 1: after pears are cleaned, cutting obtains pulp, pear skin and pears core, obtains pears slag after pear skin and the mixing of pears core；
Step 2: ultra high pressure treatment, dwell time 8-12min, after obtaining ultra high pressure treatment are carried out to the product that step 1 obtains
Pears slag；
Step 3: it is 40-60 mesh that the pears slag after ultra high pressure treatment, which is ground to fineness, obtains refinement pears slag；
Step 4: refinement pears slag being mixed with purified water 1:4-6 in mass ratio, then addition refines pears slag quality 0.5-1.0%'s
Cellulase digests 80-100min under the conditions of 49-51 DEG C, then heats to boiling and carries out enzyme deactivation, obtains enzymolysis liquid；
Step 5: enzymolysis liquid being centrifuged, supernatant is collected；
Step 6: supernatant being concentrated into 0.2-0.3 times of original volume, the anhydrous of its 3-5 times of volume is then added into concentrate
Ethyl alcohol stands 9-10h, obtains alcohol treatment fluid；Alcohol treatment fluid is centrifuged, precipitating is collected；
Step 7: precipitating being put into microwave equipment, in microwave frequency 3.0GHz, power density 0.35-0.45w/cm2Under the conditions of,
90-120s is handled, removes remaining ethyl alcohol to get to water-soluble pears slag dietary fiber, it is spare；
Step 8: pulp is cut into the pears block of partial size 4.5-5.5cm；Then pears block is mixed with colour protecting liquid, is stored at room temperature 15-30min；
Step 9: the pears block after color protection being taken out, is rinsed with purified water, then, is put into the boiling water containing citric acid, blanching 5-6
Min is cooled to room temperature after taking-up with purified water immersion, the pears block after obtaining blanching；
Step 10: match sugar making liquid according to following mass percent:
White granulated sugar 20-30%；
Citric acid 0.15-0.25%；
Water-soluble pears slag dietary fiber 0.05-0.5%；
Surplus is grade purified water；
White granulated sugar, citric acid and water are uniformly mixed, liquid glucose is obtained, it is spare；
Step 11: by the numeric ratio 55-60:100 of pears block weight and slack tank volume after blanching, after blanching is added into slack tank
Pears block；After installing pears block, 50-60 DEG C of liquid glucose is added into tank, liquid glucose is filled to the distance 5-10mm at the top away from slack tank；It will dress
Enter pears block, the tank body of liquid glucose is put into vacuum gauge pressure -0.09~-0.10MPa environment and is vented 5-8min, then complete tank body envelope
Lid；
Step 12: the can after capping is put into wet sterilization kettle, and 15-18min is sterilized at a temperature of 121-127 DEG C, is then existed
40-50 DEG C is cooled in 45-60min to get the canned pear product rich in dietary fiber is arrived.
Preferred technical solution are as follows: the enzyme activity of the cellulase is ten thousand U/g of 5-10.
Preferred technical solution are as follows: in step 2, ultra high pressure treatment are as follows: at a temperature of 5-30 DEG C, be pressure matchmaker with water, use
The ultra high pressure treatment of 300-400MPa.
Preferred technical solution are as follows: in step 6, when centrifugal treating, 10min is centrifuged using 3500-4000 r/min.
Since above-mentioned technical proposal is used, the present invention has the advantage, that compared with prior art
1, the wastes such as pear skin, pears core that the present invention is obtained using fresh pears segmentation pulp extract dietary fiber, then by diet fibre
Dimension is added in canned pear, and the canned pear product rich in dietary fiber is made.Dietary fiber can help enterogastric peristalsis, promote food
It digests and assimilates, toxin expelling defaecation, moreover it is possible to which effectively a variety of diseases such as prevention coronary heart disease, diabetes improve the immunity of the human body.High diet is fine
Dimension canned pear can be used as the source of complementary diets fiber, be the distinguishing products of a kind of high-quality, health.
2, the present invention prepares dietary fiber using pears slag, to solve by-product in the processing of pears product, provide it is a kind of it is new,
Effective solution scheme improves data utilization rate, to economize on resources and environment being protected to play beneficial effect.
3, the present invention utilizes ultra high pressure treatment pears slag, not only carries out timely enzyme deactivation and fresh-keeping to pears slag, but also can be with broken wall portion
Divide eucaryotic cell structure, is conducive to the extraction of soluble dietary fiber.
Specific embodiment
Embodiments of the present invention are illustrated by particular specific embodiment below, those skilled in the art can be by this explanation
Content disclosed by book is understood other advantages and efficacy of the present invention easily.
A kind of embodiment 1: production method of the canned pear rich in dietary fiber
A kind of canned pear and preparation method thereof rich in dietary fiber, including following technical step.
(1) fresh pears segmentation
The pears, for Dangshan pear fruit mature, fresh, disease-free, that nothing is rotten.It is removed the peel after pears are cleaned, is enucleated, obtains
Pulp；Pericarp, fruit stone are collected, pears slag is obtained.
(2) pears slag ultra high pressure treatment
Pears slag is fitted into food grade plastic bag, the hot-seal in vacuum gauge pressure -0.09~-0.10MPa environment is then placed in
It is pressure matchmaker with water, using 350MPa ultra high pressure treatment, dwell time 10min at a temperature of 17 DEG C in food extra-high tension unit.
(3) pears slag ball mill grinding
Pears slag after ultra high pressure treatment is put into food-grade stainless steel ball-grinding machine, being fully ground to fineness is 50 mesh, is obtained
Refine pears slag.
(4) preparation of water-soluble pears slag dietary fiber
Cellulase hydrolysis.Refinement pears slag is mixed with food-grade purified water 1:5 in mass ratio, addition refinement pears slag quality 0.75%
Cellulase, digest 90min at a temperature of 50 ± 1 DEG C, be then brought rapidly up to boiling and boiling and boil 10min, eliminate cellulase
Enzyme activity.
Centrifugation.After enzymolysis processing, solution is centrifuged 15min using 3800r/min, collects supernatant.
Ethanol precipitation.Supernatant is concentrated into 0.25 times of original volume, the nothing of its 4 times of volumes is then added into concentrate
Water-ethanol stands 10 h；Alcohol treatment fluid is centrifuged 10min using 3800r/min, collects precipitating.
Microwave treatment.Precipitating is put into food-grade microwave equipment, in microwave frequency 3.0GHz, power density 0.4w/cm2
Under the conditions of, 100s is handled, removes remaining ethyl alcohol to get to water-soluble pears slag dietary fiber, it is spare.
The cellulase, is food-grade, and enzyme activity is 80,000 U/g.
(5) pears block color protection
The pulp of pears is cut into the pears block of partial size 4.5-5.5cm.Pears block is mixed with colour protecting liquid 1:2 in mass ratio, room temperature is quiet
Set 20min.The colour protecting liquid be mass concentration 1% aqueous citric acid solution and mass concentration 1% sodium-chloride water solution according to
The mixed liquor that the mass ratio of 1:1 is constituted.
(6) pears block blanching
Pears block after color protection is taken out, rinses surface with food-grade purified water；Then, in boiling water of the investment containing 0.1% citric acid,
Blanching 5-6 min is submerged, is cooled to room temperature after taking-up with purified water immersion, it is spare.I.e. boiling water contains the lemon that mass concentration is 0.1
Lemon acid.
(7) liquid glucose configures
By mass fraction be 25% white granulated sugar, mass fraction 0.3% water-soluble pears slag dietary fiber, mass fraction be 0.2%
Citric acid, remaining is food-grade purified water, amounts to 100/%, is uniformly mixed, obtains liquid glucose, spare.
Preferably, the additive amount of water-soluble pears slag dietary fiber is 0.1%.
(8) tinning
Can packaging material is can or glass jar, and slack tank is once purged to carry out heat with 90-95 DEG C of hot water shower 45-60s and disappear
Poison, it is spare after draining away the water.
Tinning mode is, by the numeric ratio " 58:100 " of " pears block weight and slack tank volume after blanching ", to add into slack tank
Pears block after entering blanching；After installing pears block, 55 DEG C of liquid glucoses are added into tank, liquid glucose is filled to the distance 7mm away from top；It is loaded into pears
Block, liquid glucose tank body be put into vacuum gauge pressure -0.09~-0.10MPa environment and be vented 5-8min, then complete tank seal cover.
(9) it sterilizes
Can after capping is put into wet sterilization kettle, 15-18min is sterilized at a temperature of 121-127 DEG C, then in 45-60min
Inside it is cooled to 40-50 DEG C.
After sterilization to get to rich in dietary fiber canned pear product.
The present invention has developed the canned pear product rich in dietary fiber.Dietary fiber is extracted with pears slag waste, and is added
Into canned pear, a kind of high dietary-fiber canned pear product is made.One aspect of the present invention assigns canned pear product dietary fiber battalion
It supports, there is product and help enterogastric peristalsis, promote the digestion and absorption of food, toxin expelling defaecation, the function such as prevention coronary heart disease, diabetes
Energy；On the other hand, it solves the problems, such as the recycling of by-product " pears slag " in canned pear production, turns waste into wealth, so that the utilization of resources
It maximizes, plays the role of the environment that economizes on resources and protect.
A kind of embodiment 2: production method of the canned pear rich in dietary fiber
A kind of production method of the canned pear rich in dietary fiber, including the following steps:
Step 1: after pears are cleaned, cutting obtains pulp, pear skin and pears core, obtains pears slag after pear skin and the mixing of pears core；
Step 2: ultra high pressure treatment, dwell time 8min, the pears after obtaining ultra high pressure treatment are carried out to the product that step 1 obtains
Slag；
Step 3: it is 40 mesh that the pears slag after ultra high pressure treatment, which is ground to fineness, obtains refinement pears slag；
Step 4: refinement pears slag being mixed with purified water 1:4 in mass ratio, then the cellulose of addition refinement pears slag quality 0.5%
Enzyme digests 80min under the conditions of 49 DEG C, then heats to boiling and carries out enzyme deactivation, obtains enzymolysis liquid；
Step 5: enzymolysis liquid being centrifuged, supernatant is collected；
Step 6: supernatant is concentrated into 0.2 times of original volume, the dehydrated alcohol of its 3 times of volumes is then added into concentrate,
9h is stood, alcohol treatment fluid is obtained；Alcohol treatment fluid is centrifuged, precipitating is collected；
Step 7: precipitating being put into microwave equipment, in microwave frequency 3.0GHz, power density 0.35w/cm2Under the conditions of, processing
90s, removes remaining ethyl alcohol to get to water-soluble pears slag dietary fiber, spare；
Step 8: pulp is cut into the pears block of partial size 4.5cm；Then pears block is mixed with colour protecting liquid, is stored at room temperature 15min；
Step 9: the pears block after color protection being taken out, is rinsed with purified water, then, is put into the boiling water containing citric acid, blanching 5
Min is cooled to room temperature after taking-up with purified water immersion, the pears block after obtaining blanching；
Step 10: match sugar making liquid according to following mass percent:
White granulated sugar 20%；
Citric acid 0.15%；
Water-soluble pears slag dietary fiber 0.05%；
Surplus is grade purified water；
White granulated sugar, citric acid and water are uniformly mixed, liquid glucose is obtained, it is spare；
Step 11: by the numeric ratio 55:100 of pears block weight and slack tank volume after blanching, the pears after blanching being added into slack tank
Block；After installing pears block, 50 DEG C of liquid glucoses are added into tank, liquid glucose is filled to the distance 5mm at the top away from slack tank；It is loaded into pears block, sugar
The tank body of liquid is put into vacuum gauge pressure -0.09MPa environment and is vented 5min, then completes tank seal cover；
Step 12: the can after capping is put into wet sterilization kettle, 15min is sterilized at a temperature of 121 DEG C, then in 45min
40 DEG C are cooled to get the canned pear product rich in dietary fiber is arrived.
Preferred embodiment are as follows: the enzyme activity of the cellulase is 50,000 U/g.
Preferred embodiment are as follows: in step 2, ultra high pressure treatment are as follows: at a temperature of 5 DEG C, be pressure matchmaker with water, use
The ultra high pressure treatment of 300MPa.
Preferred embodiment are as follows: in step 6, when centrifugal treating, 10min is centrifuged using 3500r/min.
A kind of embodiment 3: production method of the canned pear rich in dietary fiber
A kind of production method of the canned pear rich in dietary fiber, including the following steps:
Step 1: after pears are cleaned, cutting obtains pulp, pear skin and pears core, obtains pears slag after pear skin and the mixing of pears core；
Step 2: ultra high pressure treatment, dwell time 12min, the pears after obtaining ultra high pressure treatment are carried out to the product that step 1 obtains
Slag；
Step 3: it is 60 mesh that the pears slag after ultra high pressure treatment, which is ground to fineness, obtains refinement pears slag；
Step 4: refinement pears slag being mixed with purified water 1:6 in mass ratio, then the cellulose of addition refinement pears slag quality 1.0%
Enzyme digests 100min under the conditions of 51 DEG C, then heats to boiling and carries out enzyme deactivation, obtains enzymolysis liquid；
Step 5: enzymolysis liquid being centrifuged, supernatant is collected；
Step 6: supernatant is concentrated into 0.3 times of original volume, the dehydrated alcohol of its 5 times of volumes is then added into concentrate,
10h is stood, alcohol treatment fluid is obtained；Alcohol treatment fluid is centrifuged, precipitating is collected；
Step 7: precipitating being put into microwave equipment, in microwave frequency 3.0GHz, power density 0.45w/cm2Under the conditions of, processing
120s, removes remaining ethyl alcohol to get to water-soluble pears slag dietary fiber, spare；
Step 8: pulp is cut into the pears block of partial size 5.5cm；Then pears block is mixed with colour protecting liquid, is stored at room temperature 30min；
Step 9: the pears block after color protection being taken out, is rinsed with purified water, then, is put into the boiling water containing citric acid, blanching 6
Min is cooled to room temperature after taking-up with purified water immersion, the pears block after obtaining blanching；
Step 10: match sugar making liquid according to following mass percent:
White granulated sugar 30%；
Citric acid 0.25%；
Water-soluble pears slag dietary fiber 0.5%；
Surplus is grade purified water；
White granulated sugar, citric acid and water are uniformly mixed, liquid glucose is obtained, it is spare；
Step 11: by the numeric ratio 60:100 of pears block weight and slack tank volume after blanching, the pears after blanching being added into slack tank
Block；After installing pears block, 60 DEG C of liquid glucoses are added into tank, liquid glucose is filled to the distance 10mm at the top away from slack tank；Be loaded into pears block,
The tank body of liquid glucose is put into vacuum gauge pressure -0.10MPa environment and is vented 8min, then completes tank seal cover；
Step 12: the can after capping is put into wet sterilization kettle, 18min is sterilized at a temperature of 127 DEG C, then in 60min
50 DEG C are cooled to get the canned pear product rich in dietary fiber is arrived.
Preferred embodiment are as follows: the enzyme activity of the cellulase is 100,000 U/g.
Preferred embodiment are as follows: in step 2, ultra high pressure treatment are as follows: at a temperature of 30 DEG C, be pressure matchmaker with water, use
The ultra high pressure treatment of 300-400MPa.
Preferred embodiment are as follows: in step 6, when centrifugal treating, be centrifuged 10min using 4000 r/min.
As described above is only to be not intended to tool to explain the preferred embodiments of the invention to do any shape to the present invention
Limitation in formula should all wrap therefore all have any modification or change for making the related present invention under identical spirit
It includes in the scope that the invention is intended to protect.
Claims (4)
1. a kind of production method of the canned pear rich in dietary fiber, it is characterised in that: include the following steps:
Step 1: after pears are cleaned, cutting obtains pulp, pear skin and pears core, obtains pears slag after pear skin and the mixing of pears core；
Step 2: ultra high pressure treatment, dwell time 8-12min, after obtaining ultra high pressure treatment are carried out to the product that step 1 obtains
Pears slag；
Step 3: it is 40-60 mesh that the pears slag after ultra high pressure treatment, which is ground to fineness, obtains refinement pears slag；
Step 4: refinement pears slag being mixed with purified water 1:4-6 in mass ratio, then addition refines pears slag quality 0.5-1.0%'s
Cellulase digests 80-100min under the conditions of 49-51 DEG C, then heats to boiling and carries out enzyme deactivation, obtains enzymolysis liquid；
Step 5: enzymolysis liquid being centrifuged, supernatant is collected；
Step 6: supernatant being concentrated into 0.2-0.3 times of original volume, the anhydrous of its 3-5 times of volume is then added into concentrate
Ethyl alcohol stands 9-10h, obtains alcohol treatment fluid；Alcohol treatment fluid is centrifuged, precipitating is collected；
Step 7: precipitating being put into microwave equipment, in microwave frequency 3.0GHz, power density 0.35-0.45w/cm2Under the conditions of,
90-120s is handled, removes remaining ethyl alcohol to get to water-soluble pears slag dietary fiber, it is spare；
Step 8: pulp is cut into the pears block of partial size 4.5-5.5cm；Then pears block is mixed with colour protecting liquid, is stored at room temperature 15-
30min；
Step 9: the pears block after color protection being taken out, is rinsed with purified water, then, is put into the boiling water containing citric acid, blanching 5-6
Min is cooled to room temperature after taking-up with purified water immersion, the pears block after obtaining blanching；
Step 10: match sugar making liquid according to following mass percent:
White granulated sugar 20-30%；
Citric acid 0.15-0.25%；
Water-soluble pears slag dietary fiber 0.05-0.5%；
Surplus is grade purified water；
White granulated sugar, citric acid and water are uniformly mixed, liquid glucose is obtained, it is spare；
Step 11: by the numeric ratio 55-60:100 of pears block weight and slack tank volume after blanching, after blanching is added into slack tank
Pears block；After installing pears block, 50-60 DEG C of liquid glucose is added into tank, liquid glucose is filled to the distance 5-10mm at the top away from slack tank；It will dress
Enter pears block, the tank body of liquid glucose is put into vacuum gauge pressure -0.09~-0.10MPa environment and is vented 5-8min, then complete tank body envelope
Lid；
Step 12: the can after capping is put into wet sterilization kettle, and 15-18min is sterilized at a temperature of 121-127 DEG C, is then existed
40-50 DEG C is cooled in 45-60min to get the canned pear product rich in dietary fiber is arrived.
2. the production method of the canned pear according to claim 1 rich in dietary fiber, it is characterised in that: the cellulose
The enzyme activity of enzyme is ten thousand U/g of 5-10.
3. the production method of the canned pear according to claim 1 rich in dietary fiber, it is characterised in that: in step 2, surpass
HIGH PRESSURE TREATMENT are as follows: be pressure matchmaker with water, using the ultra high pressure treatment of 300-400MPa at a temperature of 5-30 DEG C.
4. the production method of the canned pear according to claim 1 rich in dietary fiber, it is characterised in that: in step 6, from
When heart processing, 10min is centrifuged using 3500-4000 r/min.
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| CN111642663A (en) * | 2020-07-29 | 2020-09-11 | 巢湖学院 | Processing method of dietary fiber red yeast rice pear beverage with completely utilized fresh pears |
| CN111938045A (en) * | 2020-09-01 | 2020-11-17 | 石家庄港香食品科技有限公司 | Preparation method of loquat and pear compound pulp beverage |
| CN112167633A (en) * | 2020-10-30 | 2021-01-05 | 合肥康泰菲生物医药科技有限公司 | Sugar-removed pear residues of fresh pears and extract thereof for preventing and treating obesity and diabetes |
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