CN101548761A - Processing method of whole sweet potato flour - Google Patents
Processing method of whole sweet potato flour Download PDFInfo
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- CN101548761A CN101548761A CNA2009100592075A CN200910059207A CN101548761A CN 101548761 A CN101548761 A CN 101548761A CN A2009100592075 A CNA2009100592075 A CN A2009100592075A CN 200910059207 A CN200910059207 A CN 200910059207A CN 101548761 A CN101548761 A CN 101548761A
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- sweet potato
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- ipomoea batatas
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Abstract
The invention discloses a processing method of whole sweet potato flour, characterized by comprising the following steps: washing fresh sweet potatoes by water; continuously crushing the raw materials by a crusher to material pulp with particle size of 0.5-10mm; then conveying the material pulp to a colloid crushing or grinding device and crushing the pulp to sweet potato slurry with particle size less than 1000 microns; uniformly mixing the sweet potato slurry and the whole sweet potato flour product with the weight ratio of 1:1 to 1.6; drying the mixed materials in the pneumatic drier at 120-180 degrees centigrade until water content therein is less than or equal to 15% by weight percentage; then sieving the dried sweet potato flour and the sieved object is the whole sweet potato flour product; the invention has simple processing technique; the prepared whole sweet potato flour product retains nutritional ingredients in the sweet potato and active ingredients for improving immunity of human body with maximum extent, being a fine, environmental and health-care food.
Description
Technical field
The invention belongs to the preparation of food or foodstuff, relate to a kind of processing method of sweet potato whole powder.Be applicable to the full powder product series of producing Ipomoea batatas or similar raw material, but the sweet potato whole powder boiling water that makes brews or directly processes or to add in other raw material the processing back to edible instant.
Background technology
In the prior art, the full powder of potato class mainly contains two kinds of sweet potato whole powder and potato full-powders, wherein now potato full-powder all adopts and makes snowflake powder or particle powder, equipment investment is big, be the several times that the present invention drops into, production cost is invented high more than 2 times than this, the product price height, can not enter mass consumption colony, so be difficult to form large-scale production.Ipomoea batatas differs greatly because of composition and potato, so also there is very big-difference in processing method.The processing of sweet potato whole powder is generally adopted: sweet potato material-cleaning-decortication or peeling-rinsing-section--rinsing-boiling (or microwave ripening)-system mud-conveying-roller drying or heated-air drying-fragmentation sieve-pulverize-technology of collecting dust-removing-packing-finished product, smashes in the Ipomoea batatas slaking in indivedual methods also to add emulsifying dispersant in the mud process.The major defect and the deficiency of above-mentioned art methods have: (1) needs modes such as pre-boiling, blanching or microwave with the ripe slurry of Ipomoea batatas processing, and dry again the making helped powder, and the actual full powder that makes is ripe powder.The curing process main purpose: the one, cause the Ipomoea batatas brown stain in order to prevent Ipomoea batatas dry processing time length, influence the outward appearance of sweet potato whole powder; The 2nd, the abundant rehydration of energy when the full powder that the slaking drying makes is convenient to brew; But because sugared part, pectin equal size enrich after the Ipomoea batatas slaking, ripe sweet potato paste viscosity is big, regardless of being system mud, still adding dispersant, also easily lumps in the subsequent drying process, and pulverizing is difficult, thereby influences the efficient that brews rehydration effect and production.(2) need peeling or the full powder of decortication back reprocessing, because of containing compositions such as abundant fiber, pectin in the Ipomoea batatas, and these compositions adopt section in the prior art, dice, smash mud or conventional grinding mode and be difficult to the mouthfeel requirement that reaches fine and smooth, thereby all need remove the Ipomoea batatas skin before processing; But be difficult in the actual processing remove the Ipomoea batatas skin automatically with machinery, even adopt the steam decortication method to remove the peel, but it is about 20～30% to cause the yield of full dried bean noodles finished product to descend after the peeling, and waste residue can cause very big environmental pollution in actual production.(3) production stage comprises: Ipomoea batatas passes through cleaning, section or fourth, slaking or blanching, smashes mud or system mud, mode dryings such as drying room, backfill, cylinder or modified spraying, cycle production time is longer, and the vitamin in the Ipomoea batatas etc. heat often, time is long, and the nutritional labeling loss is big in the Ipomoea batatas.Practicality is relatively poor.
Summary of the invention
Purpose of the present invention is intended to overcome above-mentioned deficiency of the prior art, provides that most of nutritional labeling can completely keep in a kind of Ipomoea batatas, production technology is simple, the processing method of the sweet potato whole powder of practical, green natural.
Content of the present invention is: a kind of processing method of sweet potato whole powder is characterized in that comprising the following steps:
A, cleaning: the scarlet potato of raw material (weight percentage of water is generally 50-90% in the scarlet potato) water (through cleaning device or artificial) is cleaned up (Ipomoea batatas of removing silt particle, impurity and the frostbite of rotting); Scarlet potato can be removed the peel or not remove the peel (the dietary fiber needs being determined whether remove the peel according to product);
B, fragmentation: the scarlet potato that will clean up is delivered to pulverizer continuously and is crushed to the slurry that grain diameter is 0.5～10mm, slurry is delivered to colloid fragmentation or pulverising apparatus again, is broken into grain diameter less than 1000 microns Ipomoea batatas slurries;
C, mix with sweet potato whole powder: by the Ipomoea batatas slurries: sweet potato whole powder product [being the sweet potato whole powder product that step (e) obtains] is that 1: 1～1.6 part by weight is got Ipomoea batatas slurries and sweet potato whole powder product, mixes, makes compound;
D, pneumatic conveying drying; Compound is delivered in the pneumatic conveying dryer dry, promptly under 120～180 ℃ temperature, be dried to wherein by pneumatic conveying dryer compound that the weight percentage of water is less than or equal to 15%;
E, screening: the sweet potato powder behind the pneumatic conveying drying is the sweet potato whole powder product through screening, screenings.
In the content of the present invention: the time that the Ipomoea batatas slurries mix with the sweet potato whole powder product described in the step (c) is 3～5 minutes preferably.
In the content of the present invention: in the mixed compound that gets of Ipomoea batatas slurries and sweet potato whole powder product described in the step (c), the weight percentage of water is preferably and is less than or equal to 45%.
In the content of the present invention: be 1～5 second preferably with the drying time of compound by the drying equipment drying described in the step (d).
In the content of the present invention: screening can be to sieve with 80 or 60 mesh sieves described in the step (e), and screenings is the sweet potato whole powder product; This sweet potato whole powder product can directly be made or add in the raw materials such as flour and be made into food such as bean vermicelli, noodles, steamed bun, steamed stuffed bun, bread, biscuit.
In the content of the present invention: screening can be to sieve with 120 mesh sieves described in the step (e), and screenings is the sweet potato whole powder product; This sweet potato whole powder product can be as directly brewing edible full potato nutrient breakfast powder or joining the food that is made into delicate mouthfeels such as ice cream in the milk.
In the content of the present invention: step (d) and step (e) can also replace with; Compound is delivered in the pneumatic conveying dryer dry, promptly under 120～180 ℃ temperature, be dried to wherein by drying equipment compound that the weight percentage of water is less than or equal to 15%; Directly adopt the air-flow disintegrating apparatus that dried compound is crushed to 150～250 orders again, promptly make the sweet potato whole powder product; The baby that this sweet potato whole powder product can be used for directly brewing and reconstituting or Special food.
In the content of the present invention: be preferably in colloid fragmentation or the pulverising apparatus described in the step (b) and adopt the recirculated water cooling, and the material environment temperature is lost because of heating to avoid nutritional labeling at 25～35 ℃ in the maintenance equipment.
In the content of the present invention: the scarlet potato of raw material described in the step (a) can replace with bright potato, cassava, taro, bajiao banana taro, the root of kudzu vine, fern root, buckwheat, corn or lotus rhizome, or two or more raw mix in bright Ipomoea batatas, potato, cassava, taro, bajiao banana taro, the root of kudzu vine, fern root, buckwheat, corn or the lotus rhizome; Can independent a kind of bright potato or dried potato chips (grain) processing help powder, also can be mixed and processed by two kinds of above arbitrary proportions of raw material.
In the content of the present invention: the rotating speed of the described pulverizer in the scarlet potato fragmentation of step (b) is 2800～3200r/min preferably, structure is that rotor precrushing and high the pulverizing are finished continuously, being crushed to scarlet potato grain diameter is 0.5～10mm, has reduced the infringement of Ipomoea batatas processing to nutritional labeling; The rotating speed of described colloid fragmentation or pulverising apparatus is that 2800～3200r/min, granularity are adjusted to 20 μ m scales preferably; Pulverizer can adopt general or the efficient fiberizer fragmentation of bright potato of development voluntarily.
In the content of the present invention: the various device that uses in the processing method mainly adopts stainless steel material to make (environment division that contacts with raw material and product generally is stainless steel material).
In the content of the present invention: the scarlet potato fragmentation of described step (b), step (c) are preferably in the environment of relative sealing with sweet potato whole powder mixing and step (d) pneumatic conveying drying and finish, clean to from bright potato and to be dried to sweet potato whole powder, the time generally is no more than 30 minutes; To ensure the almost free of losses of bright potato nutritional labeling, the aldehydes matter in the Ipomoea batatas does not almost have brown stain, improves the quality of product; Article one, Production Line efficient is not less than 500kg/ hour, can realize the production of scale.
Compared with prior art, the present invention has following characteristics and beneficial effect:
(1) adopt the present invention, no maturation stage, not under slaking and the starch from sweet potato ungelatinized situation, normal temperature is broken fast in Ipomoea batatas, and slurries adhesion, material be drying easily, and the sweet potato whole powder of production easily reconstitutes;
(2) adopt the present invention, do not have the peeling step, adopt pulverizer coarse crushing and colloid crumbling method that scarlet potato is crushed to needed grain fineness, substitute decortication process of the prior art, increased the nutriment in the product, improved the finished product output capacity again;
(3) adopt the present invention, nutritional labeling keeps many in the Ipomoea batatas; Adopt the instantaneous seasoning of air-flow, under the processing conditions of fast dewatering and relative closure, polyphenols does not almost have brown stain in almost free of losses of the nutritional labeling of Ipomoea batatas, the Ipomoea batatas, has kept bright potato characteristic flavor on basis yet; But the sweet potato whole powder product boiling water of producing brews instant or directly processes or add processing and eating in other raw material to, and the sweet potato nutrient composition keeps best results, and instant is various;
(4) adopt the present invention, not under slaking and the starch from sweet potato ungelatinized situation, directly be crushed to needed grain fineness, adopt processing conditions and brief process time, the nutritional labeling loss of having avoided Ipomoea batatas and the variation of outward appearance of relative closure in Ipomoea batatas; Process-cycle is short, has improved raw material availability, production efficiency, product yield and nutrient health and has been worth, and reduced cost, has avoided the by-product contamination that produces in the conventional method simultaneously;
(5) the sweet potato whole powder product that makes of the present invention, other nutritional labelings in the dietary fiber in the raw material, carrotene, vitamin, protein, polysaccharide, anthocyanidin etc. and the potato slag have been kept, can improve human body intestinal canal function and prevention constipation and intestines problem, very useful to health; Compare with traditional diamond-making technique, reduced the variable color of pigments such as the inactivation of vitamin loss, mucus albuminous degeneration, active polysaccharide or anthocyanidin, improved edible and function and nutritive value; Having kept the nutritional labeling in the Ipomoea batatas to greatest extent and had the active component that improves the human immunological competence, is a kind of good green natural health care product;
(6) production and processing technology of the present invention is succinct, and production cost is low, good product quality, is of high nutritive value and human body easily absorbs, and shelf life of products is long, and the Additional Value of Commodities height is practical.
The specific embodiment
The following examples of the present invention are only as the further specifying of content of the present invention, can not be as scope perhaps in the qualification of the present invention.The invention will be further described below by embodiment.
Embodiment 1:
A kind of processing method of sweet potato whole powder comprises the following steps:
A, cleaning: scarlet potato (weight percentage of water is generally 50-90% in the scarlet potato) water is cleaned through artificial or machinery (automatically), remove the Ipomoea batatas of silt particle, impurity and the frostbite of rotting, scarlet potato can be removed the peel or not remove the peel (the dietary fiber needs being determined whether remove the peel according to product);
B, fragmentation: the scarlet potato that will clean to 5mm, is milled to particle less than 1000 microns (um) (to the dietary fiber needs, can be controlled to about 10um even thinner granularity according to product) with colloid mill with the coarse crushing of special efficient fiberizer again, makes the Ipomoea batatas slurries;
C, adopt stainless steel pipes to be delivered to flour mixer in the Ipomoea batatas slurries that make, by the Ipomoea batatas slurries: the sweet potato whole powder product is that 1: 1 part by weight is got Ipomoea batatas slurries and sweet potato whole powder product, mixed in 5 minutes, in the compound, the weight percentage of water is 45%;
D, pneumatic conveying drying: with compound through stainless helical feed to the pneumatic conveying drying machine inlet capable, under 120～180 ℃ temperature, 5 second inner drying;
E, dried powder are crossed 60 mesh sieves or 120 mesh sieves, and the extracting screen underflow packing promptly makes the sweet potato whole powder finished product.
Embodiment 2:
A kind of processing method of sweet potato whole powder comprises the following steps:
A, cleaning: the scarlet potato of raw material (weight percentage of water is generally 50-90% in the scarlet potato) water (through cleaning device or artificial) is cleaned up (Ipomoea batatas of removing silt particle, impurity and the frostbite of rotting);
B, fragmentation: the scarlet potato that will clean up is delivered to pulverizer continuously and is crushed to the slurry that grain diameter is 0.5～10mm, slurry is delivered to colloid fragmentation or pulverising apparatus again, is broken into grain diameter less than 1000 microns Ipomoea batatas slurries;
C, mix with sweet potato whole powder: by the Ipomoea batatas slurries: sweet potato whole powder product [being the sweet potato whole powder product that step (e) obtains] is that 1: 1 part by weight is got Ipomoea batatas slurries and sweet potato whole powder product, mixes, makes compound;
D, pneumatic conveying drying; Compound is delivered in the pneumatic conveying dryer dry, promptly under 120～180 ℃ temperature, be dried to wherein by pneumatic conveying dryer compound that the weight percentage of water is less than or equal to 15%;
E, screening: the sweet potato powder behind the pneumatic conveying drying is the sweet potato whole powder product through screening, screenings.
Embodiment 3:
A kind of processing method of sweet potato whole powder comprises the following steps:
A, cleaning: the scarlet potato of raw material (weight percentage of water is generally 50-90% in the scarlet potato) water (through cleaning device or artificial) is cleaned up (Ipomoea batatas of removing silt particle, impurity and the frostbite of rotting);
B, fragmentation: the scarlet potato that will clean up is delivered to pulverizer continuously and is crushed to the slurry that grain diameter is 0.5～10mm, slurry is delivered to colloid fragmentation or pulverising apparatus again, is broken into grain diameter less than 1000 microns Ipomoea batatas slurries;
C, mix with sweet potato whole powder: by the Ipomoea batatas slurries: sweet potato whole powder product [being the sweet potato whole powder product that step (e) obtains] is that 1: 1.6 part by weight is got Ipomoea batatas slurries and sweet potato whole powder product, mixes, makes compound;
D, pneumatic conveying drying; Compound is delivered in the pneumatic conveying dryer dry, promptly under 120～180 ℃ temperature, be dried to wherein by pneumatic conveying dryer compound that the weight percentage of water is less than or equal to 15%;
E, screening: the sweet potato powder behind the pneumatic conveying drying is the sweet potato whole powder product through screening, screenings.
Embodiment 4:
A kind of processing method of sweet potato whole powder comprises the following steps:
A, cleaning: the scarlet potato of raw material (weight percentage of water is generally 50-90% in the scarlet potato) water (through cleaning device or artificial) is cleaned up (Ipomoea batatas of removing silt particle, impurity and the frostbite of rotting);
B, fragmentation: the scarlet potato that will clean up is delivered to pulverizer continuously and is crushed to the slurry that grain diameter is 0.5～10mm, slurry is delivered to colloid fragmentation or pulverising apparatus again, is broken into grain diameter less than 1000 microns Ipomoea batatas slurries;
C, mix with sweet potato whole powder: by the Ipomoea batatas slurries: sweet potato whole powder product [being the sweet potato whole powder product that step (e) obtains] is that 1: 1.3 part by weight is got Ipomoea batatas slurries and sweet potato whole powder product, mixes, makes compound;
D, pneumatic conveying drying; Compound is delivered in the pneumatic conveying dryer dry, promptly under 120～180 ℃ temperature, be dried to wherein by pneumatic conveying dryer compound that the weight percentage of water is less than or equal to 15%;
E, screening: the sweet potato powder behind the pneumatic conveying drying is the sweet potato whole powder product through screening, screenings.
Embodiment 5:
A kind of processing method of sweet potato whole powder comprises the following steps:
A, cleaning: the scarlet potato of raw material (weight percentage of water is generally 50-90% in the scarlet potato) water (through cleaning device or artificial) is cleaned up (Ipomoea batatas of removing silt particle, impurity and the frostbite of rotting);
B, fragmentation: the scarlet potato that will clean up is delivered to pulverizer continuously and is crushed to the slurry that grain diameter is 0.5～10mm, slurry is delivered to colloid fragmentation or pulverising apparatus again, is broken into grain diameter less than 1000 microns Ipomoea batatas slurries;
C, mix with sweet potato whole powder: by the Ipomoea batatas slurries: sweet potato whole powder product [being the sweet potato whole powder product that step (e) obtains] is that 1: 1.5 part by weight is got Ipomoea batatas slurries and sweet potato whole powder product, mixed, make compound in 3 minutes, in the compound, the weight percentage of water is less than 45%;
D, pneumatic conveying drying; Compound is delivered in the pneumatic conveying dryer dry, promptly the weight percentage that is dried to water wherein by pneumatic conveying dryer under 180 ℃ temperature, with compound is less than 15%, and be 1 second drying time;
E, screening: the sweet potato powder behind the pneumatic conveying drying is the sweet potato whole powder product through screening, screenings.
Embodiment 6:
A kind of processing method of sweet potato whole powder comprises the following steps:
A, cleaning: the scarlet potato of raw material (weight percentage of water is generally 50-90% in the scarlet potato) water (through cleaning device or artificial) is cleaned up (Ipomoea batatas of removing silt particle, impurity and the frostbite of rotting);
B, fragmentation: the scarlet potato that will clean up is delivered to pulverizer continuously and is crushed to the slurry that grain diameter is 0.5～10mm, slurry is delivered to colloid fragmentation or pulverising apparatus again, is broken into grain diameter less than 1000 microns Ipomoea batatas slurries;
C, mix with sweet potato whole powder: by the Ipomoea batatas slurries: sweet potato whole powder product [being the sweet potato whole powder product that step (e) obtains] is that 1: 1.4 part by weight is got Ipomoea batatas slurries and sweet potato whole powder product, mixed, make compound in 5 minutes, in the compound, the weight percentage of water is less than 45%;
D, pneumatic conveying drying; Compound is delivered in the pneumatic conveying dryer dry, promptly the weight percentage that is dried to water wherein by pneumatic conveying dryer under 160 ℃ temperature, with compound is less than 15%, and be 3 seconds drying time;
E, screening: the sweet potato powder behind the pneumatic conveying drying is the sweet potato whole powder product through screening, screenings.
Embodiment 7:
A kind of processing method of sweet potato whole powder comprises the following steps:
A, cleaning: the scarlet potato of raw material (weight percentage of water is generally 50-90% in the scarlet potato) water (through cleaning device or artificial) is cleaned up (Ipomoea batatas of removing silt particle, impurity and the frostbite of rotting);
B, fragmentation: the scarlet potato that will clean up is delivered to pulverizer continuously and is crushed to the slurry that grain diameter is 0.5～10mm, slurry is delivered to colloid fragmentation or pulverising apparatus again, is broken into grain diameter less than 1000 microns Ipomoea batatas slurries;
C, mix with sweet potato whole powder: by the Ipomoea batatas slurries: sweet potato whole powder product [being the sweet potato whole powder product that step (e) obtains] is that 1: 1.2 part by weight is got Ipomoea batatas slurries and sweet potato whole powder product, mixed, make compound in 4 minutes, in the compound, the weight percentage of water is less than 45%;
D, pneumatic conveying drying; Compound is delivered in the pneumatic conveying dryer dry, promptly the weight percentage that is dried to water wherein by pneumatic conveying dryer under 120 ℃ temperature, with compound is less than 15%, and be 5 seconds drying time;
E, screening: the sweet potato powder behind the pneumatic conveying drying is the sweet potato whole powder product through screening, screenings.
Embodiment 8:
A kind of processing method of sweet potato whole powder comprises the following steps:
A, cleaning: the scarlet potato of raw material (weight percentage of water is generally 50-90% in the scarlet potato) water (through cleaning device or artificial) is cleaned up (Ipomoea batatas of removing silt particle, impurity and the frostbite of rotting);
B, fragmentation: the scarlet potato that will clean up is delivered to pulverizer continuously and is crushed to the slurry that grain diameter is 0.5～10mm, slurry is delivered to colloid fragmentation or pulverising apparatus again, is broken into grain diameter less than 1000 microns Ipomoea batatas slurries;
C, mix with sweet potato whole powder: by the Ipomoea batatas slurries: sweet potato whole powder product [being the sweet potato whole powder product that step (e) obtains] is that 1: 1.1 part by weight is got Ipomoea batatas slurries and sweet potato whole powder product, mixed, make compound in 3 minutes, in the compound, the weight percentage of water is less than 45%;
D, pneumatic conveying drying; Compound is delivered in the pneumatic conveying dryer dry, promptly the weight percentage that is dried to water wherein by pneumatic conveying dryer under 120 ℃ temperature, with compound is less than 15%, and be 4 seconds drying time;
E, screening: the sweet potato powder behind the pneumatic conveying drying is the sweet potato whole powder product through screening, screenings.
Embodiment 9:
A kind of processing method of sweet potato whole powder, screening is to sieve with 80 or 60 mesh sieves described in the step (e), screenings is the sweet potato whole powder product; This sweet potato whole powder product can directly be made or add in the raw materials such as flour and be made into food such as bean vermicelli, noodles, steamed bun, steamed stuffed bun, bread, biscuit.Other is with arbitrary among the embodiment 1-8, slightly.
Embodiment 10:
A kind of processing method of sweet potato whole powder, screening is to sieve with 120 mesh sieves described in the step (e), screenings is the sweet potato whole powder product; This sweet potato whole powder product can be as directly brewing edible full potato nutrient breakfast powder or joining the food that is made into delicate mouthfeels such as ice cream in the milk.Other is with arbitrary among the embodiment 1-8, slightly.
Embodiment 11:
A kind of processing method of sweet potato whole powder, step (d) and step (e) replace with; Compound is delivered in the pneumatic conveying dryer dry, promptly under 120～180 ℃ temperature, be dried to wherein by drying equipment compound that the weight percentage of water is less than or equal to 15%; Directly adopt the air-flow disintegrating apparatus that dried compound is crushed to 150～250 orders again, promptly make the sweet potato whole powder product; The baby that this sweet potato whole powder product can be used for directly brewing and reconstituting or Special food.Other is with arbitrary among the embodiment 1-8, slightly.
In the foregoing description: can adopt the recirculated water cooling described in the step (b) in colloid fragmentation or the pulverising apparatus, at 25～35 ℃, avoid nutritional labeling loss on heating with material environment temperature in the maintenance equipment.
In the foregoing description: the scarlet potato of raw material described in the step (a) can replace with bright potato, cassava, bajiao banana taro or lotus rhizome etc., or two or more raw mix in bright Ipomoea batatas, potato, cassava, bajiao banana taro or the lotus rhizome etc.
In the foregoing description: the rotating speed of the described pulverizer in the scarlet potato fragmentation of step (b) is 2800～3200r/min preferably, structure is that rotor precrushing and high the pulverizing are finished continuously, being crushed to scarlet potato grain diameter is 0.5～10mm, has reduced the infringement of Ipomoea batatas processing to nutritional labeling; The rotating speed of described colloid fragmentation or pulverising apparatus is 2800～3200r/min preferably, and granularity is adjusted to 20 μ m scales; Pulverizer can adopt general or the efficient fiberizer fragmentation of bright potato of development voluntarily.
In the foregoing description: the various device that uses in each processing method mainly adopts stainless steel material to make.
In the foregoing description: the scarlet potato fragmentation of described step (b), step (c) are finished in the environment of relative sealing with sweet potato whole powder mixing and step (d) pneumatic conveying drying, clean to from bright potato and are dried to sweet potato whole powder, and the time is no more than 30 minutes; To ensure the almost free of losses of bright potato nutritional labeling, the aldehydes matter in the Ipomoea batatas does not almost have brown stain, improves the quality of product; Article one, Production Line efficient is not less than 500kg/ hour, can realize the production of scale.
The invention is not restricted to the foregoing description, content of the present invention is described all can be implemented, and has described good result.
Claims (10)
1, a kind of processing method of sweet potato whole powder is characterized in that comprising the following steps:
A, cleaning: the scarlet potato water of raw material is cleaned up;
B, fragmentation: the scarlet potato that will clean up is delivered to pulverizer continuously and is crushed to the slurry that grain diameter is 0.5～10mm, slurry is delivered to colloid fragmentation or pulverising apparatus again, is broken into grain diameter less than 1000 microns Ipomoea batatas slurries;
C, mix with sweet potato whole powder: by the Ipomoea batatas slurries: the sweet potato whole powder product is that 1: 1～1.6 part by weight is got Ipomoea batatas slurries and sweet potato whole powder product, mixes, makes compound;
D, pneumatic conveying drying; Compound is delivered in the pneumatic conveying dryer dry, promptly under 120～180 ℃ temperature, be dried to wherein by pneumatic conveying dryer compound that the weight percentage of water is less than or equal to 15%;
E, screening: the sweet potato powder behind the pneumatic conveying drying is the sweet potato whole powder product through screening, screenings.
2, by the processing method of the described sweet potato whole powder of claim 1, it is characterized in that: the time that the Ipomoea batatas slurries mix with the sweet potato whole powder product described in the step (c) is 3～5 minutes.
3, by the processing method of the described sweet potato whole powder of claim 1, it is characterized in that: in the mixed compound that gets of Ipomoea batatas slurries and sweet potato whole powder product described in the step (c), the weight percentage of water is less than or equal to 45%.
4, by the processing method of the described sweet potato whole powder of claim 2, it is characterized in that: in the mixed compound that gets of Ipomoea batatas slurries and sweet potato whole powder product described in the step (c), the weight percentage of water is less than or equal to 45%.
5, by the processing method of the described sweet potato whole powder of claim 1, it is characterized in that: be 1～5 second with the drying time of compound by the drying equipment drying described in the step (d).
6, by the processing method of claim 1,2,3,4 or 5 described sweet potato whole powders, it is characterized in that: screening is to sieve with 80 or 60 mesh sieves described in the step (e), and screenings is the sweet potato whole powder product.
7, by the processing method of claim 1,2,3,4 or 5 described sweet potato whole powders, it is characterized in that: screening is to sieve with 120 mesh sieves described in the step (e), and screenings is the sweet potato whole powder product.
8, by the processing method of claim 1,2,3,4 or 5 described sweet potato whole powders, it is characterized in that: step (d) and step (e) replace with; Compound is delivered in the pneumatic conveying dryer dry, promptly under 120～180 ℃ temperature, be dried to wherein by drying equipment compound that the weight percentage of water is less than or equal to 15%; Directly adopt the air-flow disintegrating apparatus that dried compound is crushed to 150～250 orders again, promptly make the sweet potato whole powder product.
9, by the processing method of claim 1,2,3,4 or 5 described sweet potato whole powders, it is characterized in that: adopt the recirculated water cooling described in the step (b) in colloid fragmentation or the pulverising apparatus, and the interior material environment temperature of maintenance equipment is at 25～35 ℃.
10, press the processing method of claim 1,2,3,4 or 5 described sweet potato whole powders, it is characterized in that: the scarlet potato of raw material described in the step (a) replaces with bright potato, cassava, taro, bajiao banana taro, the root of kudzu vine, fern root, buckwheat, corn or lotus rhizome, or two or more raw mix in bright Ipomoea batatas, potato, cassava, taro, bajiao banana taro, the root of kudzu vine, fern root, buckwheat, corn or the lotus rhizome.
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| CNA2009100592075A CN101548761A (en) | 2009-05-07 | 2009-05-07 | Processing method of whole sweet potato flour |
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| CN102273580A (en) * | 2011-08-15 | 2011-12-14 | 马同金 | Instant sweet potato dietary fiber slimming health care porridge powder |
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| CN102987297A (en) * | 2012-12-11 | 2013-03-27 | 安徽瑞德华机电设备有限公司 | Production process of potato whole flour |
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| PT107526A (en) * | 2014-03-19 | 2015-09-21 | S I M Sociedade Insular De Moagens Sociedade Unipessoal S A | PROCESS FOR THE PREPARATION OF FLOUR POTATOES BASED ON SWEET POTATOES AND FLOURS SO OBTAINED |
| PT107526B (en) * | 2014-03-19 | 2017-07-12 | Insular - Produtos Alimentares S A | PROCESS FOR THE PREPARATION OF FLOUR POTATOES BASED ON SWEET POTATOES AND FLOURS SO OBTAINED |
| CN104356244A (en) * | 2014-11-05 | 2015-02-18 | 华文蔚 | Processing method of preparing powder by grinding taro |
| CN105495468A (en) * | 2016-01-01 | 2016-04-20 | 西昌学院 | Preparing method and device for potato powder |
| CN105495468B (en) * | 2016-01-01 | 2023-09-08 | 西昌学院 | Preparation method and device of potato flour |
| CN105661409A (en) * | 2016-03-17 | 2016-06-15 | 张立明 | Method for preparing raw potato whole powder with pneumatic drying method |
| CN106562308A (en) * | 2016-10-29 | 2017-04-19 | 湖南万瑞现代农业开发有限公司 | Sweet potato nutritious food and preparation method thereof |
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Application publication date: 20091007 |