CN109105822A - A kind of processing method of konjaku powder - Google Patents
A kind of processing method of konjaku powder Download PDFInfo
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- CN109105822A CN109105822A CN201811211904.3A CN201811211904A CN109105822A CN 109105822 A CN109105822 A CN 109105822A CN 201811211904 A CN201811211904 A CN 201811211904A CN 109105822 A CN109105822 A CN 109105822A
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L19/00—Products from fruits or vegetables; Preparation or treatment thereof
- A23L19/10—Products from fruits or vegetables; Preparation or treatment thereof of tuberous or like starch containing root crops
- A23L19/115—Konjak; Konntaku
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L33/00—Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof
- A23L33/20—Reducing nutritive value; Dietetic products with reduced nutritive value
- A23L33/21—Addition of substantially indigestible substances, e.g. dietary fibres
- A23L33/22—Comminuted fibrous parts of plants, e.g. bagasse or pulp
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Abstract
A kind of processing method of konjaku powder, process are as follows: fresh taro bulb cleaning, peeling, slice, color protection, crushing, precipitation removal of impurities, washing, drying, dry grinding, sub-sieve, homogeneous, inspection, packaging, storage；Key points for operation: when grinding by konjaku flour and ethyl alcohol it is molten be mixed in a certain ratio to be put in grinding wheel mill grind, the purpose is to be ground by the impurity of fine powder particle surface, the selection of the isolated liquid medium ultimate density of ethyl alcohol not preferably less than 30% or so, the konjaku powder particle in strainer is washed with 30% or more ethanol solution, then is centrifugated.The processing method of this konjaku powder provided by the invention, after by ethanol washing and filters pressing, the content of impurity is reduced in konjaku powder, konjaku powder color, solubility, viscosity and in terms of property can be improved.
Description
Technical field
The present invention relates to a kind of processing methods of konjaku powder.
Background technique
Konjaku You Ming Amorphophalus rivieri is Nan Tian's star section, is a kind of herbaceos perennial, and alias is numb taro, flower handle of umbrella, snake six
Paddy etc..Konjaku is rich in various amino acid, thick protein and its microelement, and 16 kinds of amino acid contents are 7.8% or more, wherein 7
Kind of essential amino acid total amount is 2.5%, gross protein value 9.7% or more, also containing magnesium, iron, calcium, potassium, receive, manganese,
The microelements such as copper.Especially a few tuber crops one of of the konjaku rich in glucomannans (KonjacMannan).
The main ingredient of konjaku is glucomannans, which is a kind of maximum substance of natural plants middle-molecular-weihydroxyethyl, is had
It is water-soluble, thickening, gelling, film forming, bonding, stablize, suspend etc. tens of kinds of physicochemical properties, in food, drug, chemical industry, printing and dyeing, petroleum
There is extensive use in equal fields.It is predicted according to China Food Industry Association, annual requirement of China's food service industry to konjaku powder
Up to 600,000 tons, only 30,000 tons of global total output, and only 10,000 tons of China's average product, konjaku uniquely can be largely provided in nature
The plant of glucomannans, exclusive attribute are concerned konjaku industry, and konjaku scientific research is like a raging fire, konjaku enterprise such as rain
Spring bamboo afterwards, new product development emerge one after another, and show rapid growth momentum.
Konjaku is warm-natured, toil, has resolving sputum scattered plot, draws silt detumescence, removing toxic substances analgesic effect, products application is in medicine；By essence
There is konjak portuguese gansu polyose sugar product after deep processing thickening property, gelation etc. to modernize character and hypoglycemic, weight-reducing, anti-cancer etc.
Healthcare function can be applied to health care product；It simultaneously can also be in fields such as food, medicine, chemical industry；It may further be used to production cosmetics, it is swollen
Swollen dose, antistaling agent etc..
Konjaku glucomannan is a kind of water-soluble dietary fiber that idioblas generates in konjaku rhizome, has good thickening
With collaboration gelation.It is influenced by eucaryotic cell structure protection, it is high that konjaku powder usually there will be impurity content in process of production
Problem reduces the quality of konjaku powder.
Common konjaku powder would generally be added sulfur dioxide in production and carry out color protection, and the residual quantity of sulfur dioxide is very high.
And the impurity content in konjaku powder is higher, can reduce the solution rate of konjaku powder.China Patent Publication No.
CN101836718A discloses a kind of technique of wet production konjaku powder, research shows that its long time drying can be made at high temperature
Excessively slow at konjaku powder solution rate and the method impurity content is higher, the konjaku powder value produced is low.Chinese patent
Number be 99114668.9 by medium of water using the methods of sulphite color protection production konjaku powder, the konjaku essence of the method production
Powder impurity content is higher and to will cause the sulfur dioxide in product exceeded.China Patent Publication No. CN101347218B discloses one
Processing method of the kind using microwave heating passivation polyphenol enzyme production konjaku powder, the konjaku powder quality difficulty control that this method is produced
System and impurity content height.
Currently, supply falls short of demand for konjak series product in the market, in demand, and price is high.But existing preparation method exists
Powder rate and the lower problem of purity, through inquiry registration identical with the technology of the present invention not yet.
Summary of the invention
The present invention provides a kind of processing method of konjaku powder, to overcome deficiency in the prior art.It can effectively solve
Existing fine powder color, sulfur content and in terms of there are the problem of, can effectively reduce containing for impurity in konjaku powder
Amount.
The present invention, which adopts the following technical solutions, to be achieved:
A kind of processing method of konjaku powder, konjaku powder processing process are as follows:
Fresh taro bulb cleaning, slice, color protection (bleaching), crushing, precipitation removal of impurities, washing, drying, dry grinding, divides at peeling
Sieve, homogeneous, inspection, packaging, storage
Key points for operation:
(1) konjaku cleaning peeling
Identical as the processing of taro angle, konjak corm removes terminal bud by hand and root is put into cleaning machine and cleans, in washing process
In, bulb crust will thoroughly, completely remove；The method of peeling can use machine barking, but machine barking need to manually go it is skin-deep
In conjunction with, it is also possible to chemical peeling, method are that the bulb after cleaning is immersed to the sodium hydroxide solution of 60 DEG C or more 5-15%
In, the taking-up when the touching of crust one is fallen is rinsed with clear water immediately；
(2) cutting
If the mill taro after peeling is cut into small pieces using slicer with grinding wheel milling breakdown mill, if using roller is cut
Type pulverizer smashing and grinding, can save dicing process, to carry out color protection with sulphite immediately after cutting；
(3) it crushes, grinds, separation
Color protection:
Konjaku color protection is using sulphite to be dissolved in medium, and concentration is advisable with 50-200ppm, generally in the first wheat-middlings
It is added and uses in broken medium.
It crushes:
Firstly, determining the dosage of ethanol solution.General solution usage is 3 times of fresh Amorphophallus rivieri weight, according to cutting roller
Fresh Amorphophallus rivieri and ethanol solution are then added in cylinder by proper proportion, are crushed to granularity 0.6mm or so, are re-fed by formula pulverizer
It is further crushed in grinding wheel mill.If be milled using grinding wheel it is broken if the konjaku of cutting and alcoholic solution is synchronous in proportion respectively add
Enter, but grinding spacing suitably will keep fine powder particle completely separable；
Separation:
It is separated using filter centrifugal, the strainer of 100-150 mesh is loaded on centrifuge, slurry above is poured into
Wherein, centrifuge is opened, allows soluble substance and little particle impurity under the influence of centrifugal force, is removed across strainer with solution centrifugation
It goes, fine powder particle stays in strainer；
Grinding:
By konjaku flour above and ethyl alcohol it is molten be mixed in a certain ratio to be put in grinding wheel mill grind, the purpose is to by fine powder grain
The impurity in sublist face, which is ground, to be come；
Separation:
The selection of the liquid medium ultimate density of ethyl alcohol not preferably less than 30% or so, is washed with 30% or more ethanol solution
The konjaku powder particle in strainer is washed, then is centrifugated, according to quality requirement, repeated isolation；
(4) dry
What is obtained after above-mentioned operation is wet fine powder, and water capacity will be dried 70% or more, due to water capacity
Height need to toast 2-3 times；
(5) screening, inspection, mean value, packaging
Fine powder after drying generally uses vibrosieve device into screening, optional according to the requirement to product quality and client
It is sieved with the sieve of 40 mesh of aperture, 60 mesh, 80 mesh, 100 mesh, 120 mesh, 140 mesh.Fine powder after screening will to its moisture,
The projects such as viscosity, gel strength are tested by standard method, the product mixer after inspection by same category of fine powder into
Row is sufficiently mixed, and is finally packed and stored.
A kind of preparation method of high-purity kanjak fine powder provided by the invention, has the beneficial effect that: due to using above-mentioned skill
Art scheme, the processing method of this konjaku powder provided by the invention, after passing through ethanol washing and filters pressing, in konjaku powder
The content of impurity reduces, konjaku powder color, solubility, viscosity and in terms of property can be improved.Through multiple
Grinding, flour extraction and purity are higher, and improving the rate of dissolution of konjaku powder in water, (solution rate is by the 1 of common konjaku powder
Hour was reduced to 35 minutes), easy to operate, whole preparation process does not have the introducing of harmful substance, is conducive to human health, prepares
The purity of konjaku powder out is improved by 75% before to 89%, meets the industrial policy and environmental requirement of country, Er Qieke
It effectively increasing peasant income to be driven to get rich, transforms agricultural production, solves the surplus labor of vast rural area, be economic benefit
With the preferable project of social benefit.
Specific embodiment
The present invention is further explained in the light of specific embodiments.
Konjaku powder processing process is as follows:
Fresh taro bulb cleaning, slice, color protection (bleaching), crushing, precipitation removal of impurities, washing, drying, dry grinding, divides at peeling
Sieve, homogeneous, inspection, packaging, storage
Key points for operation:
(1) konjaku cleaning peeling
Identical as the processing of taro angle, konjak corm removes terminal bud by hand and root is put into cleaning machine and cleans, in washing process
In, bulb crust will thoroughly, completely remove.The method of peeling can use machine barking, but machine barking need to manually go it is skin-deep
In conjunction with, it is also possible to chemical peeling, method are that the bulb after cleaning is immersed to the sodium hydroxide solution of 60 DEG C or more 5-15%
In, the taking-up when the touching of crust one is fallen is rinsed with clear water immediately.
(2) cutting
If the mill taro after peeling is cut into small pieces using slicer with grinding wheel milling breakdown mill, if using roller is cut
Type pulverizer smashing and grinding, can save dicing process, to carry out color protection with sulphite immediately after cutting.
(3) it crushes, grinds, separation
The selection of liquid medium
Under the conditions of current technology, use water as the machining medium of konjaku powder there are also sizable difficulty completely, because
This, it is necessary to use the solvent for preventing konjaku glucan from being swollen.
According to existing research, resistance solvent is divided into organic solvent and inorganic solvent, organic solvent be divided into again organic solvent and
Organic salt solvent.Organic solvent mainly includes methanol, ethyl alcohol, acetone, isopropanol, ethyl acetate etc., wherein ethyl alcohol price compared with
It is low, it is nontoxic.Inorganic salts group solvent mainly includes the aqueous solutions such as mantoquita, molysite, boron salt, and inorganic salts resistance solvent is aqueous solution,
And it is lower using concentration, use cost is lower.But wherein molysite and copper salt solution are combined tightly with konjac glucomannan formation
Close insoluble compound, it is difficult to separate, though boron salt aqueous solution is combined untight compound with konjac glucomannan formation, hold
Easy washing separation, but it is toxic, it is disabled in food, therefore, inorganic salt solution wet process is generally only used as processing non-food stuff konjaku
Fine powder is used, and producing edible konjaku powder preferred medium is ethyl alcohol.
The determination of concentration of alcohol:
Experiment shows to prevent the effective concentration of konjac glucomannan 30% or more, therefore processes and use the final dense of ethyl alcohol
Degree not preferably less than 30% or so.If concentration of alcohol is too low, glucomannan dissolution is being crushed, is being lost in grinding and separation process, right
The dissolubility of product has an impact, and if determining alcohol is excessively high, will increase processing cost, while also having an impact to removal water-solubility impurity.
Color protection:
Konjaku color protection is using sulphite to be dissolved in medium, and concentration is advisable with 50-200ppm, generally in the first wheat-middlings
It is added and uses in broken medium.Common sulphite effective component is as follows:
Common sulphite effective component
| Title | Molecular formula | Effective sulfur dioxide (%) |
| Liquid sulfur dioxide | SO2 | 100 |
| Sulfurous acid | H2SO3 | 6.0 |
| Sodium sulfite | Na2SO37H2O | 25.42 |
| Anhydrous sodium sulfate | Na2SO3 | 50.84 |
| Sodium hydrogensulfite | Na2HSO3 | 61.59 |
| Pyrosulfuric acid hydrogen sodium | Na2S2O5 | 57.65 |
| Hydros | Na2S2O4 | 73.56 |
It crushes:
Firstly, determining the dosage of ethanol solution.General solution usage is 3 times of fresh Amorphophallus rivieri weight, according to cutting roller
Fresh Amorphophallus rivieri and ethanol solution are then added in cylinder by proper proportion, are crushed to granularity 0.6mm or so, are re-fed by formula pulverizer
It is further crushed in grinding wheel mill.If be milled using grinding wheel it is broken if the konjaku of cutting and alcoholic solution is synchronous in proportion respectively add
Enter, but grinding spacing suitably will make fine powder from completely separable.
Separation:
It is separated using filter centrifugal, the strainer of 100-150 mesh is loaded on centrifuge, slurry above is poured into
Wherein, centrifuge is opened, allows soluble substance and little particle impurity under the influence of centrifugal force, is removed across strainer with solution centrifugation
It goes, fine powder particle stays in strainer.
Grinding:
By konjaku flour above and ethyl alcohol it is molten be mixed in a certain ratio to be put in grinding wheel mill grind, the purpose is to by fine powder grain
The impurity in sublist face, which is ground, to be come.
Separation:
Isolated method above method washs the konjaku powder particle in strainer with 30% or more ethanol solution,
It is centrifugated again, according to quality requirement, repeated isolation.Grinding method, can also after centrifugation, 30% or more ethanol solution of use
Wash centrifugal exsolution.
(4) dry
After above-mentioned operation to be wet fine powder, water capacity will be dried 70% or more, and dry method has
A variety of, such as low-temperature vacuum drying, hot-air flow is dry, fluidized bed drying, fluidized drying etc..The drying of wet fine powder is with hot-air flow
Drying is preferred, and due to water capacity height, need to be toasted 2-3 time, although pneumatic conveying drying temperature height, inlet temperature at 120 DEG C or more, when
Between it is short, only several seconds to tens seconds, on glucomannan without influence, drying process was fast, fine powder particle face adhesion.
(5) screening, inspection, mean value, packaging
Fine powder after drying generally uses vibrosieve device into screening, optional according to the requirement to product quality and client
It is sieved with the sieve of 40 mesh of aperture, 60 mesh, 80 mesh, 100 mesh, 120 mesh, 140 mesh.Fine powder after screening will to its moisture,
The projects such as viscosity, gel strength are tested by standard method, the product mixer after inspection by same category of fine powder into
Row is sufficiently mixed, to guarantee that product quality in the range of requiring, is finally packed and stored.Packing method and storage require same
Preliminary working.
Claims (1)
1. a kind of processing method of konjaku powder, which is characterized in that konjaku powder processing process is as follows:
Fresh taro bulb cleaning, peeling, slice, color protection (bleaching), crushing, precipitation removal of impurities, washing, drying, dry grinding, sub-sieve,
Matter, inspection, packaging, storage,
Key points for operation:
(1) konjaku cleaning peeling
Identical as the processing of taro angle, konjak corm removes terminal bud by hand and root is put into cleaning machine and cleans, in washing process, ball
Stem crust will thoroughly, completely remove；The method of peeling can use machine barking, but machine barking need to be combined with artificial peeling,
Chemical peeling can also be used, method is immersed the bulb after cleaning in the sodium hydroxide solution of 60 DEG C or more 5-15%, when outer
The taking-up when touching of skin one is fallen, is rinsed with clear water immediately；
(2) cutting
If the mill taro after peeling is cut into small pieces using slicer with grinding wheel milling breakdown mill, if using cylinder type powder is cut
Broken machine smashing and grinding, can save dicing process, to carry out color protection with sulphite immediately after cutting；
(3) it crushes, grinds, separation
Color protection:
Using sulphite to be dissolved in medium, concentration is advisable konjaku color protection with 50-200ppm, is generally crushed and is situated between in first time
It is added and uses in matter.
It crushes:
Firstly, determining the dosage of ethanol solution.General solution usage is 3 times of fresh Amorphophallus rivieri weight, according to cutting drum-type powder
Fresh Amorphophallus rivieri and ethanol solution are then added in cylinder by proper proportion, are crushed to granularity 0.6mm or so, are re-fed into grinding wheel by broken machine
It is further crushed in mill.If be milled using grinding wheel it is broken if the synchronous addition in proportion respectively by the konjaku of cutting and alcoholic solution, but
It is appropriate to grind spacing, keeps fine powder particle completely separable；
Separation:
It is separated using filter centrifugal, the strainer of 100-150 mesh is loaded on centrifuge, slurry above is poured into it
In, centrifuge is opened, soluble substance and little particle impurity is allowed to be centrifuged off under the influence of centrifugal force across strainer with solution,
Fine powder particle stays in strainer；
Grinding:
By konjaku flour above and ethyl alcohol it is molten be mixed in a certain ratio to be put in grinding wheel mill grind, the purpose is to by fine powder particle table
The impurity in face, which is ground, to be come；
Separation:
The selection of the liquid medium ultimate density of ethyl alcohol not preferably less than 30% or so, washs filter with 30% or more ethanol solution
Konjaku powder particle in net, then be centrifugated, according to quality requirement, repeated isolation；
(4) dry
What is obtained after above-mentioned operation is wet fine powder, and water capacity will be dried 70% or more, due to water capacity height, is needed
Baking 2-3 times；
(5) screening, inspection, mean value, packaging
Fine powder after drying generally uses vibrosieve device that hole can be selected according to the requirement to product quality and client into screening
40 mesh of diameter, 60 mesh, 80 mesh, 100 mesh, 120 mesh, 140 mesh sieve sieved.Fine powder after screening will to its moisture, viscosity,
The projects such as gel strength are tested by standard method, and the product after inspection is carried out same category of fine powder sufficiently with mixer
Mixing, is finally packed and stored.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109967206A (en) * | 2019-03-14 | 2019-07-05 | 四川洁能干燥设备有限责任公司 | Konjaku powder wet processing techniques |
| CN110800949A (en) * | 2019-12-02 | 2020-02-18 | 贵州凤冈众康生物科技有限公司 | Preparation method of bulbil yellow konjac fine powder |
| CN111264810A (en) * | 2020-03-06 | 2020-06-12 | 陕西理工大学 | Processing method for industrial production of konjac fine powder |
| CN111357954A (en) * | 2020-04-16 | 2020-07-03 | 四川轻化工大学 | Method for producing konjak refined powder by ball milling method |
| CN113001598A (en) * | 2021-02-22 | 2021-06-22 | 西南科技大学 | Konjak slicing machine and konjak fine powder processing technology |
| CN114271457A (en) * | 2021-12-17 | 2022-04-05 | 重庆市万州区保前农业开发有限公司 | Processing method of yellow konjak |
| CN114618650A (en) * | 2022-03-18 | 2022-06-14 | 四川轻化工大学 | Preparation method for producing wet-process konjac fine powder by ball milling |
| CN115413782A (en) * | 2022-08-08 | 2022-12-02 | 统一企业(中国)投资有限公司昆山研究开发中心 | Thick vegetable beef tripe for chafing dish and its preparing process |
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2018
- 2018-09-28 CN CN201811211904.3A patent/CN109105822A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109967206A (en) * | 2019-03-14 | 2019-07-05 | 四川洁能干燥设备有限责任公司 | Konjaku powder wet processing techniques |
| CN110800949A (en) * | 2019-12-02 | 2020-02-18 | 贵州凤冈众康生物科技有限公司 | Preparation method of bulbil yellow konjac fine powder |
| CN111264810A (en) * | 2020-03-06 | 2020-06-12 | 陕西理工大学 | Processing method for industrial production of konjac fine powder |
| CN111357954A (en) * | 2020-04-16 | 2020-07-03 | 四川轻化工大学 | Method for producing konjak refined powder by ball milling method |
| CN113001598A (en) * | 2021-02-22 | 2021-06-22 | 西南科技大学 | Konjak slicing machine and konjak fine powder processing technology |
| CN114271457A (en) * | 2021-12-17 | 2022-04-05 | 重庆市万州区保前农业开发有限公司 | Processing method of yellow konjak |
| CN114618650A (en) * | 2022-03-18 | 2022-06-14 | 四川轻化工大学 | Preparation method for producing wet-process konjac fine powder by ball milling |
| CN115413782A (en) * | 2022-08-08 | 2022-12-02 | 统一企业(中国)投资有限公司昆山研究开发中心 | Thick vegetable beef tripe for chafing dish and its preparing process |
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Application publication date: 20190101 |