CN109363124A - A kind of method and application preparing potato dregs dietary fiber using cylinder drying - Google Patents

A kind of method and application preparing potato dregs dietary fiber using cylinder drying Download PDF

Info

Publication number
CN109363124A
CN109363124A CN201811503756.2A CN201811503756A CN109363124A CN 109363124 A CN109363124 A CN 109363124A CN 201811503756 A CN201811503756 A CN 201811503756A CN 109363124 A CN109363124 A CN 109363124A
Authority
CN
China
Prior art keywords
potato
potato dregs
dietary fiber
dregs
fiber
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201811503756.2A
Other languages
Chinese (zh)
Inventor
朱红
孙健
钮福祥
徐飞
岳瑞雪
张毅
王洪云
张文婷
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JIANGSU XUHUAI REGION XUZHOU AGRICULTURE SCIENCE AND TECHNOLOGY INSTITUTE (JIANGSU XUZHOU SWEET POTATO RESEARCH CENTER)
Original Assignee
JIANGSU XUHUAI REGION XUZHOU AGRICULTURE SCIENCE AND TECHNOLOGY INSTITUTE (JIANGSU XUZHOU SWEET POTATO RESEARCH CENTER)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by JIANGSU XUHUAI REGION XUZHOU AGRICULTURE SCIENCE AND TECHNOLOGY INSTITUTE (JIANGSU XUZHOU SWEET POTATO RESEARCH CENTER) filed Critical JIANGSU XUHUAI REGION XUZHOU AGRICULTURE SCIENCE AND TECHNOLOGY INSTITUTE (JIANGSU XUZHOU SWEET POTATO RESEARCH CENTER)
Priority to CN201811503756.2A priority Critical patent/CN109363124A/en
Publication of CN109363124A publication Critical patent/CN109363124A/en
Pending legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23LFOODS, 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
    • A23L25/00Food consisting mainly of nutmeat or seeds; Preparation or treatment thereof
    • A23L25/30Mashed or comminuted products, e.g. pulp, pastes, meal, powders; Products made therefrom, e.g. blocks, flakes, snacks; Liquid or semi-liquid products
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23LFOODS, 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
    • A23L33/00Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof
    • A23L33/20Reducing nutritive value; Dietetic products with reduced nutritive value
    • A23L33/21Addition of substantially indigestible substances, e.g. dietary fibres
    • A23L33/22Comminuted fibrous parts of plants, e.g. bagasse or pulp
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23LFOODS, 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
    • A23L7/00Cereal-derived products; Malt products; Preparation or treatment thereof
    • A23L7/10Cereal-derived products
    • A23L7/198Dry unshaped finely divided cereal products, not provided for in groups A23L7/117 - A23L7/196 and A23L29/00, e.g. meal, flour, powder, dried cereal creams or extracts
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B11/00Machines or apparatus for drying solid materials or objects with movement which is non-progressive
    • F26B11/02Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
    • F26B21/14Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects using gases or vapours other than air or steam, e.g. inert gases
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23VINDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
    • A23V2002/00Food compositions, function of food ingredients or processes for food or foodstuffs

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Nutrition Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Food Science & Technology (AREA)
  • Polymers & Plastics (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Botany (AREA)
  • Mycology (AREA)
  • Coloring Foods And Improving Nutritive Qualities (AREA)
  • Preparation Of Fruits And Vegetables (AREA)

Abstract

A kind of method and application preparing potato dregs dietary fiber using cylinder drying, belongs to processing of farm products waste utilization technical field.The present invention prepares the complex process of dietary fiber for potato dregs, the problem of product quality destructible, using potato dregs as primary raw material, by amylase and cellulase degradation, the content for improving soluble dietary fiber, successively prepares potato dregs dietary fiber after homogeneous, roller drying.Using this method, Food fiber from sweet potato dregs is mixed with black sesame powder, black rice flour, oatmeal and granulated sugar, potato dregs diet fiber composition is prepared, achievees the purpose that nutrition complement, strengthens function, improves the comprehensive utilization value of sweet potato starch production by-product.The present invention uses roller drying technology, and product can be made to have and preferably reconstitute instant capacity.The present invention is suitable for the deep processing and utilization of sweet potato and its by-product.

Description

A kind of method and application preparing potato dregs dietary fiber using cylinder drying
Technical field
The invention belongs to processing of farm products waste utilization technical fields, and in particular to a kind of to be prepared using cylinder drying The method and application of potato dregs dietary fiber.
Background technique
Sweet potato contains the functional components such as dietary fiber, glycoprotein, anthocyanidin, beta carotene, deoxidation epiandrosterone, has Good health-care effect.China's traditional medicine thinks: sweet potato sweet in flavor and neutral in nature, there is that feeding spleen, nourishing the heart to keep a sound mind, disappear sore swells and other effects, can be with Treat a variety of diseases.Modern medicine study proves that sweet potato can prevent disease of cardiovascular system, and has hemostasis, anti-inflammatory, leads to Just, hypoglycemic, anti-cancer and other effects.Modern science discovery mucus protein rich in sweet potato, it be a kind of polysaccharide body and The mixture (also known as glycoprotein) of protein, there is special protective effect to human body.Sweet potato fiber is fine and smooth, has and obstructs carbohydrate turn Become fat, promote the wriggling of enteron aisle, the effect of prevent constipation.American scientist also found in sweet potato containing to brain cell and interior Secretion parathyrine vigor have active promoting function, can delay intelelectual deterioration, increase resistance of human body and can prevent colon cancer and cream The dehydroepiandrosterone substance of gland cancer.Japanese Scientists research discovery purple sweep potato juice can repair hepatic injury.The state-run prevention of Japan The research of Cancer Institute also confirms that the anti-cancer effect of sweet potato is located at the first place of more than 40 anti-cancer vegetables.
China is the maximum sweet potato producing country in the whole world, and cultivated area accounts for global 41%, and total output accounts for about the world 69%.The processing of China sweet potato is mainly used to produce starch and bean vermicelli, and 1 ton of sweet potato starch of every processing is wet it is necessary to generate 1.2 tons Slag.The by-product potato slag of these sweet potato starch processing, dietary fiber rich in account for about the 10%~14% of raw material.For a long time Since, China mainly as animal and fowl fodder, does not sufficiently extract potato slag and utilized to its nutritional ingredient, causes greatly The wasting of resources, and easily cause environmental pollution, this seems outstanding in small-scale processing enterprise and self-employed farmer's level of processing It is obvious.
It is fine that China successively develops some diet fiber products such as apple dietary fiber, jerusalem artichoke inulin, polydextrose, oat Dimension, soybean dietary fiber etc., portioned product also come into international market and gradually occupy certain market share.But with America and Europe Developed country compares, and that there is also extractive techniques is backward for the dietary fiber industry in China, product purity is low, physiological activity is low, mouthfeel The problems such as difference, peculiar smell weight, and China's diet fiber product adds base-material, correlation function product R & D mainly as food It is less.The potatos such as sweet potato dietary fiber does not obtain enough attention and research and development for a long time, and potato slag is caused arbitrarily to abandon or make For the sale of cheap feed, the potato slag wasting of resources is not only caused, but also pollute environment.
The quality and performance of full powder obtain improving significantly with the development of dried level, are air-dried and are dried in the air by initial room temperature It is dry, to accelerating the air drier of rate of drying by electric energy, and it is developing progressively the drying modes such as modern microwave, spraying. For variety classes fruit-vegetable food, technical requirements are also different.The production of full powder can equally use following drying mode: (1) hot Air-dry dry powder processed: a kind of traditional drying process drives thermal energy to form hot-air, slurry phase under hot air acting using steam flow Mutually collision, forming dispersity by hot air circulation makes the product that moisture is evaporated to dryness in material.Hot-air drying technology Equipment has the characteristics that small investment, easy to operate, but hot-wind-drying time is long, and product colour is dimmed, heat-sensitive nutrition damage It loses serious, causes that production efficiency is low, deficiency in economic performance.(2) be freeze-dried powder processed: material in superfreeze to below freezing, Dry obtained product is directly sublimed up into through high vacuum.Freeze-drier is at high cost, energy consumption is high, limits vacuum freeze drying Promotion and application.(3) vacuum microwave drying powder: under vacuum conditions, material is begun to warm up from inside, by microwave energy, water Molecular ordered arrangement and mutually collision generate high heat, to realize the product that rapid draing obtains.Vacuum microwave drying technology There are still theoretical research deficiency, it is difficult to the disadvantages of judging uneven dry terminal, heating, industrialization deficiency.(4) spray drying system Powder: after raw material is carried out defibrination according to certain solid-liquid ratio, by slurry atomization, with hot air to dry obtained product.Spray Mist drying equipment is at high cost, energy consumption is high, and heat-sensitive nutrition loss is serious, limits the promotion and application of spray drying.
Summary of the invention
For the problem that preparing the complex process of dietary fiber, product quality destructible, this hair currently with potato dregs It is bright to provide a kind of method for preparing potato dregs dietary fiber using cylinder drying, it is to boil potato dregs after digesting It is ripe, potato dregs dietary fiber is successively prepared after homogeneous, roller drying.
It further limits, the enzymatic hydrolysis refers to potato dregs through amylase and cellulase degradation.
It further limits, the method for preparing potato dregs dietary fiber using cylinder drying, including walks as follows It is rapid:
(1) in terms of content of starch in potato dregs, 5~10 μ L/g, the high temperature of enzyme activity 90KNU/g are added into potato dregs Alpha-amylase digests 1~3 hour under the conditions of 80 DEG C~90 DEG C;It is cooled to 55-60 DEG C;
(2) again in terms of potato dregs quality, 0.2%~0.6% is added into the potato dregs after enzymatic hydrolysis in step (1), The cellulase of enzyme activity 6200IU digests 2~5 hours under the conditions of 50-60 DEG C, obtains potato slag enzymolysis liquid;
(3) potato slag enzymolysis liquid boils 10 minutes~15 minutes, pulls out and is cooled to room temperature;
(4) dry using roller drier then after homogeneous, drum surface temperature: 120~150 DEG C, steam pressure: 0.4~0.6MPa, obtains full powder after dry by 400~600 revs/min of revolving speed, is potato dregs dietary fiber after crushing.
It further limits, step (2) cellulase is 1,4 beta-glucanase.
It further limits, step (4) the full powder smashes it through the sieve of 20~40 mesh.
It further limits, step (4) feed liquid carries out roller drying, drum surface temperature: 135-145 DEG C, steam Pressure: 0.4-0.5MPa, 400-500 revs/min of revolving speed.
The present invention also provides the potato dregs dietary fibers of above method acquisition in preparing diet fiber composition Using.
It further limits, potato dregs is cooked after digesting, then in terms of potato dregs quality, following quality is added The raw material of content, after homogeneous, roller drying obtains potato dregs diet fiber composition, and the raw material is black by 10%~20% Black sesame powder, 10%~20% black rice flour, 10%~20% oatmeal and 1.5%~3% granulated sugar composition.
Preferably, in terms of potato dregs quality, the raw material is by 14%~18% black sesame powder, 14%~18% black rice Powder, 10%~15% oatmeal and 2%~3% granulated sugar composition.
It is highly preferred that the raw material is by 15% black sesame powder, 15% black rice flour, 15% oat in terms of potato dregs quality Powder and 2.5% granulated sugar composition.
Beneficial effect
Roller drying of the present invention processing, which is summarised as adding material water to size mixing, to be pumped into automatic distributing device by pump, is led to The distributing device for crossing roller drier is equably distributed in two adjacent small rollings and is formed by region with master rotor, and high pressure is led in master rotor Steam, internal structure and property change and start to be gelatinized material at high temperature, under the interaction of pony roll and master rotor Material is rolled into thin film and is attached to primary drum surface, and during roller rotation, moisture is gradually evaporated in film.When Film is gone at scraper, and scraper scrapes film, and product is sheet, then is accordingly processed, to obtain the product of required shape.
Compared with conventional machining process, present invention process is simple, process conditions are relatively easy to control, and occupied area is small, gelatinization with Drying process one, substantially improves the processing technology of cereal foods, shortens technical process, reduce the production cost of product. Using this method, Food fiber from sweet potato dregs is mixed with black sesame powder, black rice flour, oatmeal and granulated sugar, prepares potato dregs diet Fiber composition achievees the purpose that nutrition complement, strengthens function, and improves the comprehensive utilization valence of sweet potato starch production by-product Value.Under the premise of utmostly retaining cereal material nutritional ingredient, the structural state and mouthfeel of product are substantially improved, is improved The quality of product.
Roller drying technology is introduced into Food fiber from sweet potato dregs processing by the invention, improves the dry of Food fiber from sweet potato dregs Dry efficiency reduces production cost, it can be achieved that continuous production, the dissolubility of product and rehydration are good (being shown in Table 1).The life of people Environment living and part of the food are by different degrees of lead contamination, and lead poisoning has become public hazards in world wide, and special trade (is adopted Mine, smelting, battery, metal heat treatmet, welding etc.) staff is even more seriously threatened by lead poisoning, so that becoming lead Poisoning occupational disease.Though effect is unstable, side effect is obvious currently, lead discharging drug can play certain therapeutic effect.Side of the present invention The dietary fiber of method preparation can generate very strong binding force with lead in vivo by chelating, complexing or suction-operated, effectively prevent Lead excretes with excreta in the absorption of gastrointestinal tract and (is shown in Table 2).Lead-expelling function Rhizoma Dioscoreae esculentae dietary fiber food holds with market The features such as amount is big, Small side effects, convenient to take, economical and effective, has a extensive future.
The present invention develops the sweet potato of high added value by comprehensive utilization technique using enterprise's sweet potato starch processing potato slag as raw material Food fiber from sweet potato dregs solves the pollution problem of sweet potato starch processing byproduct potato slag, saves the processing huge people of waste water bring Power, material resources and financial resources consumption;And it can also be mentioned by the development of sweet potato and by-product deep processing with the more job opportunities of bring High circulation economic benefit pushes the development of sweet potato deep processing, is to achieve many things at one stroke, has both developed with high value-added product, Turn waste into wealth again, reduces environmental pollution.
Specific embodiment
The meaning of IU is that the enzyme amount of 1 micromole substrate can be converted in 1 minute: in specified conditions, (25 DEG C, other is most Suitable condition) under or conversion of substrate in the 1 micromolar enzyme amount in relation to group.
The method of the present invention for preparing potato dregs dietary fiber using cylinder drying, technical process is such as Under: potato dregs are successively cleaned, enzymatic hydrolysis, are cooked, cooling, milling treatment of colloid, roller drying.The enzymatic hydrolysis refers in potato slag Add amylase and cellulase to be digested, helps to improve the content of soluble dietary fiber.
The method for preparing potato dregs dietary fiber using cylinder drying is detailed below.
Embodiment 1: the method for preparing potato dregs dietary fiber using cylinder drying.
(1) once purged, in terms of content of starch in potato dregs to extract the potato dregs after starch as raw material, to sweet The high-temperatureα-amylase of 5 μ L/g (enzyme activity 90KNU/g) is added in potato potato slag, is digested 3 hours at 80 DEG C, is cooled to 55-60 DEG C.
(2) then, the cellulase (enzyme activity 6200IU) of potato dregs quality 0.6% is added, digests 5 under the conditions of 50 DEG C Hour, obtain potato slag enzymolysis liquid.
(3) potato slag enzymolysis liquid is poured into jacketed pan and is boiled 10 minutes, pulled out and be cooled to room temperature.
(4) through colloid mill homogeneous, the feed liquid after homogeneous is added in the hopper of roller drier, adjusts roller drying condition It is dried, prepares full powder, drum surface temperature is 120 DEG C, steam pressure 0.4MPa, and revolving speed is 400 revs/min, is done Full powder after dry crushed the sieve of 20 mesh, obtain Food fiber from sweet potato dregs snowflake powder finished product.
Embodiment 2: the method for preparing potato dregs dietary fiber using cylinder drying.
(1) once purged to extract the potato dregs after starch as raw material, in terms of content of starch in potato dregs, to sweet The high-temperatureα-amylase of 8 μ L/g (enzyme activity 90KNU/g) is added in potato potato slag, is digested 2 hours at 85 DEG C, is cooled to 55-60 DEG C.
(2) then, the cellulase (enzyme activity 6200IU) of potato dregs quality 0.4% is added, is digested under the conditions of 55 DEG C 3.5 hours, obtain potato slag enzymolysis liquid.
(3) potato slag enzymolysis liquid is poured into jacketed pan and is boiled 12 minutes, pulled out and be cooled to room temperature.
(4) through colloid mill homogeneous, the feed liquid after homogeneous is added in the hopper of roller drier, adjusts roller drying condition It is dried, prepares full powder, drum surface temperature is 135 DEG C, steam pressure 0.5MPa, and revolving speed is 500 revs/min, is done Full powder after dry crushed the sieve of 30 mesh, obtain Food fiber from sweet potato dregs snowflake powder finished product.
Embodiment 3: the method for preparing potato dregs dietary fiber using cylinder drying.
(1) once purged to extract the potato dregs after starch as raw material, in terms of content of starch in potato dregs, to sweet The high-temperatureα-amylase of 10 μ L/g (enzyme activity 90KNU/g) is added in potato potato slag, is digested 1 hour at 90 DEG C, is cooled to 55-60 DEG C;
(2) then, the cellulase (enzyme activity 6200IU) of potato dregs quality 0.2% is added, digests 2 under the conditions of 60 DEG C Hour, obtain potato slag enzymolysis liquid;
(3) potato slag enzymolysis liquid is poured into jacketed pan and is boiled 15 minutes, pulled out and be cooled to room temperature;
(4) through colloid mill homogeneous, the feed liquid after homogeneous is added in the hopper of roller drier, adjusts roller drying condition It is dried, prepares full powder, drum surface temperature is 150 DEG C, steam pressure 0.6MPa, and revolving speed is 600 revs/min, is done Full powder after dry crushed the sieve of 40 mesh, obtain Food fiber from sweet potato dregs snowflake powder finished product.
Embodiment 4: the method for preparing potato dregs dietary fiber using cylinder drying.
Embodiment 2 is repeated, is with the difference of embodiment 2, cellulase described in step (2) is 1,4 beta-glucanase.
1. potato dregs of comparative example are dried using electric drying oven with forced convection (80 DEG C, 7h), the potato dregs after drying, Control sample as the detection of potato dregs dietary fiber physicochemical property.
Comparative example 2. repeats embodiment 2, is with the difference of embodiment 2, and the feed liquid after homogeneous described in step (4) utilizes Spray dryer (125 DEG C of intake air temperature, 60 DEG C of air outlet temperature, feed rotor speed 30r/min) is dried, and obtains sweet Potato Food fiber from sweet potato dregs.
Investigate the physicochemical property for the potato dregs dietary fiber that preparation method of the present invention obtains.
1. expansion rate of water absorption detects
Detection method: accurately weighing 1g sample, and being placed in diameter is to record butt sample in 1.5cm test tube with a scale Volume V1, 20mL deionized water is added, mixes well, places 18h after balance at room temperature, glutted volume V after record water suction2, Dilatancy (SWC, mL/g) is calculated as follows.
2. water retention characteristic measures
Measuring method: accurately weighing 2g sample and be added in centrifuge tube, and weigh W1, 30mL distilled water is added, mixes well.It will Above-mentioned mixed liquor heats 15min in boiling water, is cooled to room temperature, and is then centrifuged 20min at revolving speed 3000r/min, discards Test tube is upside down on rack for test tube by clear liquid, pads blotting paper below, accurately claims quality W after standing l0min pitch prill moisture2, retentiveness (WHC, g/g) is calculated as follows.
3. holding oily characteristic measurement
Measuring method: 5.0g sample is placed in test tube, claims mass M1, the Shandong 30mL flower level-one pressure is accurately added with pipette It expresses oil from peanuts, 20min is heated in boiling water, 15min is centrifuged under the conditions of 3000r/min, upper layer free oil is carefully poured out, so Centrifuge tube is inverted 15min afterwards, claims mass M after dripping oil to the greatest extent2.Ability of retaining oil (OHC, g/g) is calculated as follows.
4. the detection of the Scavenging activity of internal lead ion in animal body
Measuring method: 8 week old cleaning grade ICR Strains of Mouse (31.04 ± 1.47g) have purchased from this experimental animal of Changzhou Cavan Limit company, the daily mouse of Normal group give common drinking water and feed;The daily mouse of model control group is given containing 500mg/L The drinking water and normal diet of lead acetate;Rhizoma Dioscoreae esculentae dietary fiber group is given once daily the drinking water of the lead acetate containing 500mg/L and contains The feed of the potato dregs dietary fiber of 30% embodiment 2 preparation.Changing water changes feed daily, test duration 60 days, takes blood and kidney Measuring graphite oven atomic absorption spectrum lead content is directly used in after dirty digestion.
5. content of starch measurement is measured using national standard GB/T5009.9-2008 acid-hydrolysis method.
6. soluble dietary fibre content measurement and total dietary fiber measurement use national standard GB/T5009.88-2008 Method measurement.
As a result as shown in the table:
The physicochemical characteristic of the different drying mode Food fiber from sweet potato dregs of table 1 compares
Scavenging activity of 2 Rhizoma Dioscoreae esculentae dietary fiber of table to internal lead ion
Project Whole blood (μ g/cl) Kidney (μ g/g)
Mouse Normal group 0.94 0.73
Mouse model control group 6.67 7.77
Mouse dietary fiber control group 4.33 4.56
Note: Normal group mouse gives common drinking water and feed;Model control group mouse gives acetic acid containing 500mg/L The drinking water and normal diet of lead;Rhizoma Dioscoreae esculentae dietary fiber group gives the drinking water of the lead acetate containing 500mg/L and containing 30% embodiment 2 The feed of the potato dregs dietary fiber of preparation.
The different drying mode Food fiber from sweet potato dregs comparision contents of table 3
The potato dregs dietary fiber that above-mentioned preparation method obtains, starch residual content are reduced to 5.74% from 53.85%, Soluble dietary fibre content and total dietary fiber significantly improve, and reach 4 times or more of common heated-air drying potato dregs (being shown in Table 3).It is spray-dried soluble dietary fiber in potato dregs dietary fiber and is higher than roller drying Food fiber from sweet potato dregs, mainly It is because spray drying technology is that the chemical bond for promoting to connect by high pressure, high temperature and high shear forces between fiber molecule breaks It splits, changes the polarity of molecule and by molecular cleavage, reduce insoluble dietary fiber ratio, improve soluble dietary fiber and contain Amount.But spray drying device is at high cost, energy consumption is high, heat-sensitive nutrition loss is serious, and rehydration and dissolubility are relatively rolled The dry potato dregs dietary fibre effects of cylinder are poor, as shown in table 1.Roller drier simple process, process conditions are relatively easy to control, can Realize continuous production, the dissolubility of product and rehydration are more preferable, have and preferably reconstitute instant capacity, sweet potato starch may be implemented The efficient utilization of processing byproduct potato slag, reduces the production cost of enterprise.
Embodiment 5: potato dregs dietary fiber is preparing the application in diet fiber composition.
Potato dregs are cooked after digesting, then, in terms of potato dregs quality, the raw material of following mass content are added, After homogeneous, roller drying obtains potato dregs diet fiber composition, and the raw material is by 10%~20% black sesame powder, 10% ~20% black rice flour, 10%~20% oatmeal and 1.5%~3% granulated sugar composition.
The preparation method of the Rhizoma Dioscoreae esculentae dietary fiber composition of citing description below:
(1) once purged, in terms of content of starch in potato dregs to extract the potato dregs after starch as raw material, to sweet The high-temperatureα-amylase of 5 μ L/g (enzyme activity 90KNU/g) is added in potato potato slag, is digested 3 hours at 80 DEG C, is cooled to 55-60 DEG C.
(2) then, the cellulase (enzyme activity 6200IU) of potato dregs quality 0.6% is added, digests 5 under the conditions of 50 DEG C Hour, obtain potato slag enzymolysis liquid.
(3) potato slag enzymolysis liquid is poured into jacketed pan and is boiled 10 minutes, pulled out and be cooled to room temperature.
(4) in terms of potato dregs quality, potato dregs quality allotment formula: is added into potato slag enzymolysis liquid after cooling 10% black sesame powder, the black rice flour of potato dregs quality 10%, the oatmeal of potato dregs quality 20%, potato dregs quality The various ingredients of 1.5% granulated sugar, the black sesame powder, black rice flour, oatmeal particle size are 60-80 mesh.It stirs evenly, through glue Body grinds homogeneous.
(5) feed liquid after homogeneous is added in the hopper of roller drier, adjusts roller drying condition and be dried, prepares Full powder out, drum surface temperature are 120 DEG C, steam pressure 0.4MPa, and revolving speed is 400 revs/min, and the full powder after drying crushes The sieve of 20 mesh is crossed, Food fiber from sweet potato dregs snowflake powder finished product, i.e. potato dregs diet fiber composition are obtained.
Embodiment 6: repeating embodiment 5, be with the difference of embodiment 5, allotment formula in step (4): with potato dregs Black sesame powder, the potato dregs quality 15% of potato dregs quality 15% are added into potato slag enzymolysis liquid after cooling for quality meter Black rice flour, 15% oatmeal of potato dregs quality, the various ingredients of 2.5% granulated sugar of potato dregs quality, the black sesame powder, black rice Powder, oatmeal particle size are 60-80 mesh.It stirs evenly, through colloid mill homogeneous.

Claims (10)

1. a kind of method for preparing potato dregs dietary fiber using cylinder drying, which is characterized in that by potato dregs through enzyme It is cooked after solution, potato dregs dietary fiber is successively prepared after homogeneous, roller drying.
2. the method according to claim 1, wherein the enzymatic hydrolysis refers to potato dregs through amylase and fiber Plain enzyme enzymatic hydrolysis.
3. according to the method described in claim 2, it is characterized by comprising the following steps:
(1) in terms of content of starch in potato dregs, 5~10 μ L/g, high temperature α-shallow lake of enzyme activity 90KNU/g are added into potato dregs Powder enzyme digests 1~3 hour under the conditions of 80 DEG C~90 DEG C;It is cooled to 55-60 DEG C;
(2) again in terms of potato dregs quality, 0.2%~0.6% is added into the potato dregs after enzymatic hydrolysis in step (1), enzyme activity The cellulase of 6200IU digests 2~5 hours under the conditions of 50-60 DEG C, obtains potato slag enzymolysis liquid;
(3) potato slag enzymolysis liquid boils 10 minutes~15 minutes, pulls out and is cooled to room temperature;
(4) dry using roller drier then after homogeneous, drum surface temperature: 120~150 DEG C, steam pressure: 0.4~ 0.6MPa, obtains full powder after dry by 400~600 revs/min of revolving speed, is potato dregs dietary fiber after crushing.
4. according to the method described in claim 3, it is characterized in that, step (2) cellulase is 1,4 beta-glucanase.
5. according to the method described in claim 3, it is characterized in that, step (4) the full powder smashes it through the sieve of 20~40 mesh Net.
6. according to the method described in claim 3, it is characterized in that, step (4) feed liquid carries out roller drying, cylinder surface Temperature: 135-145 DEG C, steam pressure: 0.4-0.5MPa, 400-500 revs/min of revolving speed.
7. the potato dregs dietary fiber that claim 1-6 any one the method obtains is in preparing diet fiber composition Application.
8. application according to claim 7, which is characterized in that potato dregs are cooked after digesting, then with sweet potato potato The raw material of following mass content is added in slag meter, and after homogeneous, roller drying obtains potato dregs diet fiber composition, The raw material is by 10%~20% black sesame powder, 10%~20% black rice flour, 10%~20% oatmeal and 1.5%~3% sand Sugar composition.
9. application according to claim 8, which is characterized in that in terms of potato dregs quality, the raw material by 14%~ 18% black sesame powder, 14%~18% black rice flour, 10%~15% oatmeal and 2%~3% granulated sugar composition.
10. application according to claim 9, which is characterized in that in terms of potato dregs quality, the raw material is by 15% black sesame Numb powder, 15% black rice flour, 15% oatmeal and 2.5% granulated sugar composition.
CN201811503756.2A 2018-12-10 2018-12-10 A kind of method and application preparing potato dregs dietary fiber using cylinder drying Pending CN109363124A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811503756.2A CN109363124A (en) 2018-12-10 2018-12-10 A kind of method and application preparing potato dregs dietary fiber using cylinder drying

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811503756.2A CN109363124A (en) 2018-12-10 2018-12-10 A kind of method and application preparing potato dregs dietary fiber using cylinder drying

Publications (1)

Publication Number Publication Date
CN109363124A true CN109363124A (en) 2019-02-22

Family

ID=65373036

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811503756.2A Pending CN109363124A (en) 2018-12-10 2018-12-10 A kind of method and application preparing potato dregs dietary fiber using cylinder drying

Country Status (1)

Country Link
CN (1) CN109363124A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110973608A (en) * 2019-12-17 2020-04-10 江苏徐淮地区徐州农业科学研究所(江苏徐州甘薯研究中心) Purple sweet potato coarse cereal powder and preparation method and application thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1178641A (en) * 1997-11-07 1998-04-15 阎纪华 Potato instant sheet and its preparing method
CN102150796A (en) * 2011-02-22 2011-08-17 广州市华侨糖厂 Method for producing potato flake with high dietary fiber content
CN102726666A (en) * 2012-07-16 2012-10-17 黑龙江省乳品工业技术开发中心 Method for preparing sweet corn flour through drying by using enzymolysis roller
CN103222628A (en) * 2013-05-17 2013-07-31 中国农业科学院农产品加工研究所 Method for extracting dietary fibers
CN104223125A (en) * 2014-10-14 2014-12-24 江南大学 Method for preparing DF (Dietary Fiber) of potato pulp

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1178641A (en) * 1997-11-07 1998-04-15 阎纪华 Potato instant sheet and its preparing method
CN102150796A (en) * 2011-02-22 2011-08-17 广州市华侨糖厂 Method for producing potato flake with high dietary fiber content
CN102726666A (en) * 2012-07-16 2012-10-17 黑龙江省乳品工业技术开发中心 Method for preparing sweet corn flour through drying by using enzymolysis roller
CN103222628A (en) * 2013-05-17 2013-07-31 中国农业科学院农产品加工研究所 Method for extracting dietary fibers
CN104223125A (en) * 2014-10-14 2014-12-24 江南大学 Method for preparing DF (Dietary Fiber) of potato pulp

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
张凤景等: "不同干燥方式对银杏全粉品质的影响", 《食品工业科技》 *
张颖等: "改性薯渣纤维粉制备及特性研究", 《食品科技》 *
李小平等: "纤维素酶解提高红薯水溶性膳食纤维含量的研究", 《食品工业科技》 *
江松敏: "《营养健康与疾病预防》", 31 March 2015, 军事医学科学出版社 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110973608A (en) * 2019-12-17 2020-04-10 江苏徐淮地区徐州农业科学研究所(江苏徐州甘薯研究中心) Purple sweet potato coarse cereal powder and preparation method and application thereof

Similar Documents

Publication Publication Date Title
CN102960644B (en) Preparation method of pumpkin dietary fiber and pumpkin dietary fiber
CN102349622B (en) Preparation method of nutrition coarse rice powder
CN109123383A (en) A kind of processing method for cooking various grains gruel material quickly
CN101863995A (en) Preparation method for starch-based fat substitute
CN105153099A (en) Method for extracting procyanidins (OPC) from pitaya peels
CN105767878A (en) Enzyme digested oat flour production method by using vacuum crawler-type oven
CN105767886B (en) A kind of quick-frozen highland barley fish face and preparation method thereof
CN102823896B (en) Puffed food rich in dietary fibers of seaweeds and production method for puffed food
CN110923282A (en) Method for preparing resistant starch by using ultrasonic-assisted amylase
CN109363124A (en) A kind of method and application preparing potato dregs dietary fiber using cylinder drying
CN104323251B (en) The separation method of polyphenolic substance in barley diet fiber
CN107373319B (en) The sugared cereal of one kind control reconstitutes instant product
CN109320618A (en) A kind of method that extrusion collaboration alkaline process improves cereals starch extraction rate
CN102763850A (en) Solid food prepared from raw material of dietary fiber, and preparation method and application thereof
CN105029189B (en) A kind of rough instant foxtain millet gruel and preparation method thereof
CN106901381B (en) Modification method of black fungus dietary fiber
AU2021105255A4 (en) Method for Preparing Dietary Fiber from Sweet Potato Residue by Using Drum Drying and Its Application
KR20150132935A (en) Low-Calorie Magic Rice for Weight Control and Production Method
CN109170764A (en) A kind of lotus seeds mud and preparation method thereof
CN107927731A (en) A kind of brewed powder for reducing starch absorptivity and preparation method thereof
CN112602928A (en) Nutritional powder with effects of lowering blood pressure, reducing blood lipid and lowering blood sugar, and its preparation method
CN116158509B (en) Preparation method of instant brown rice flour
CN110367424A (en) A kind of washing tremella sesame compound beverage and preparation method thereof
CN110050931A (en) A kind of production method of pumpkin Chinese yam compound solid beverage
CN109349471A (en) One kind diet fiber drink of curable type containing bamboo shoots and preparation method

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20190222