CN102106518A - Method for preparing sulfur-free konjac fine flour - Google Patents
Method for preparing sulfur-free konjac fine flour Download PDFInfo
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- CN102106518A CN102106518A CN2011100381480A CN201110038148A CN102106518A CN 102106518 A CN102106518 A CN 102106518A CN 2011100381480 A CN2011100381480 A CN 2011100381480A CN 201110038148 A CN201110038148 A CN 201110038148A CN 102106518 A CN102106518 A CN 102106518A
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- konjac
- konjaku
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- sulphur
- fresh konjak
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Abstract
The invention discloses a method for preparing sulfur-free konjac fine flour. The method comprises the following steps of: a, selecting a raw material: selecting fresh konjac without rot or foreign matters as the raw material, wherein pesticide residue and heavy metal residue of the fresh konjac are qualified according to the detection; b, peeling and removing apical buds: peeling and removing the apical buds from the selected qualified fresh konjac; c, cleaning: cleaning the fresh konjac; d, quickly squeezing: conveying the cleaned fresh konjac to a squeezer to perform quick squeezing to obtain konjac residue; e, crushing: crushing the konjac residue into granules of 40 to 120 meshes; and f, drying: drying the granules obtained at the step d at the temperature of between 120 and 160 DEG C to obtain the sulfur-free konjac fine flour. The method for preparing the sulfur-free konjac fine flour simplifies the production process and reduces the production cost; the fresh konjac does not produce brown stain during sulfur-free processing; and the obtained sulfur-free konjac fine flour has good luster and high quality.
Description
Technical field
The present invention relates to a kind of method of deep processing of farm products, especially a kind of preparation method who does not have the sulphur konjaku powder with fresh Amorphophallus rivieri as feedstock production.
Background technology
The preparation method of domestic existing no sulphur konjaku powder mainly contains two kinds, a kind of be with fresh konjak by peeling, clean, pulverize making beating, make konjaku powder after diluting precipitation, centrifugation, drying with alcohol; Another kind be fresh konjak is pulverized by peeling, cleaning, pulverizing, preliminarily dried, secondary and drying after make konjaku powder, the shortcoming of above-mentioned two kinds of methods is complex manufacturing, the production cost height, brown stain, the konjaku powder shade deviation of production easily take place in fresh konjak in no sulphur process.Konjaku itself is not contain sulphur, but in traditional processing technology in order to prevent that fresh Amorphophallus rivieri from brown stain taking place in process, add sulphur and konjaku carried out color-protecting function, thereby cause the sulfur dioxide in the konjaku flour to exceed standard as color stabilizer.Konjaku reason of brown stain in process has aspect two, and the firstth, cause brown stain thereby the aldehydes matter in the konjaku is oxidized in process, another is microbial metabolism and the brown stain that causes.
Summary of the invention
Technical problem to be solved by this invention provides a kind of preparation method who does not have the sulphur konjaku powder, has simplified production technology, has reduced production cost, need not add sulphur as color stabilizer, brown stain can not take place in fresh konjak in no sulphur process, the no sulphur konjaku powder color and luster that obtains is good, the quality height.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is: a kind of preparation method who does not have the sulphur konjaku powder, and this method may further comprise the steps:
A, raw material are selected: selecting not have fresh konjak rotten, no foreign matter is raw material, and it is qualified that the residues of pesticides of fresh konjak and heavy-metal residual detect;
B, remove the peel and go terminal bud: will select qualified fresh konjak peeling and remove terminal bud;
C, cleaning: fresh konjak is cleaned up;
D, squeezing fast: the fresh konjak that cleans up is sent into squeezer squeeze fast, the pan feeding processing speed is 12～25m
3/ h, temperature of charge is controlled at 12 ℃～18 ℃ in the squeezing fast, obtains the konjaku slag, and the moisture of konjaku slag is controlled at 30-35%, and the konjaku slag speed of response is 6～12 m
3/ h;
E, pulverizing: the konjaku ground-slag is broken to 40 orders～120 order particles;
F, drying: the particle that step e obtains is dried down at 120 ℃～160 ℃, and promptly getting does not have the sulphur konjaku powder.
Use pneumatic drier to dry among the described step f.
Among the described step f, drying is carried out in the rapid draing mode, and be 0.5～1 minute drying time.
A kind of preparation method who does not have the sulphur konjaku powder provided by the invention, beneficial effect is as follows:
1, adopt the fresh konjak dry mode after squeezing fast, pulverizing after cleaning to make no sulphur konjaku powder, by physical pressure with the konjaku slag directly from fresh Amorphophallus rivieri separate, overall process does not have any chemical addition agent, guarantee product safety, health, pollution-free, molecular structure is not damaged.Do not adding under the prerequisite of sulphur as color stabilizer, utilizing quick Technology in Pressing to make fresh Amorphophallus rivieri dry out fast, preventing oxidizing brown stain, the no sulphur konjaku powder color and luster that obtains is good, and color is the konjaku specific color, the quality height.
2, with respect to the preparation method of existing no sulphur konjaku powder, the fresh konjak after the cleaning only need squeezing fast,
Pulverizing, dry three steps can obtain not having the sulphur konjaku powder, have simplified production technology, have reduced production cost.
3, do not add sulphur in the whole process and just can make finished product keep good color and luster, thus the content of sulfur dioxide that has guaranteed the no sulphur konjaku powder that makes less than 50ppm, the no sulphur konjaku powder quality height that obtains.
4, adopt pneumatic drier as drying equipment, dry tenacity is big, the thermal efficiency is high, and treating capacity is big; The dry used time is short; Material contacts with external environment and lacks in the dry run, is not vulnerable to pollute, and has guaranteed end product quality; Simple in structure, volume is little, and is easy to operate.
5, with further processing as semi-finished product, greatly reduce moisture, guaranteed the quality of final products through the konjaku slag after the quick dehydration of squeezing.
The specific embodiment
Embodiment one
A kind of preparation method who does not have the sulphur konjaku powder, this method may further comprise the steps:
A, raw material are selected: selecting not have fresh konjak rotten, no foreign matter is raw material, and it is qualified that the residues of pesticides of fresh konjak and heavy-metal residual detect;
B, remove the peel and go terminal bud: will select qualified fresh konjak peeling and remove terminal bud;
C, cleaning: by hand or machinery fresh konjak is cleaned up;
D, squeezing fast: the fresh konjak that cleans up is sent into squeezer squeeze fast, the pan feeding processing speed is 12～25m
3/ h, temperature of charge is controlled at 12 ℃～18 ℃ in the squeezing fast, obtains the konjaku slag, and the moisture of konjaku slag is controlled at 30-35%, and the konjaku slag speed of response is 6～12 m
3/ h;
E, pulverizing: the konjaku ground-slag is broken to 40 order particles;
F, drying: the particle that step e is obtained uses pneumatic drier to dry in the rapid draing mode under 120 ℃, and be 1 minute drying time, and promptly getting does not have the sulphur konjaku powder.
Embodiment two
A kind of preparation method who does not have the sulphur konjaku powder, this method may further comprise the steps:
A, raw material are selected: selecting not have fresh konjak rotten, no foreign matter is raw material, and it is qualified that the residues of pesticides of fresh konjak and heavy-metal residual detect;
B, remove the peel and go terminal bud: will select qualified fresh konjak peeling and remove terminal bud;
C, cleaning: by hand or machinery fresh konjak is cleaned up;
D, squeezing fast: the fresh konjak that cleans up is sent into squeezer squeeze fast, the pan feeding processing speed is 12～25m
3/ h, temperature of charge is controlled at 12 ℃～18 ℃ in the squeezing fast, obtains the konjaku slag, and the moisture of konjaku slag is controlled at 30-35%, and the konjaku slag speed of response is 6～12 m
3/ h;
E, pulverizing: the konjaku ground-slag is broken to 120 order particles;
F, drying: the particle that step e is obtained uses pneumatic drier to dry in the rapid draing mode under 160 ℃, and be 0.5 minute drying time, and promptly getting does not have the sulphur konjaku powder.
Embodiment three
A kind of preparation method who does not have the sulphur konjaku powder, this method may further comprise the steps:
A, raw material are selected: selecting not have fresh konjak rotten, no foreign matter is raw material, and it is qualified that the residues of pesticides of fresh konjak and heavy-metal residual detect;
B, remove the peel and go terminal bud: will select qualified fresh konjak peeling and remove terminal bud;
C, cleaning: by hand or machinery fresh konjak is cleaned up;
D, squeezing fast: the fresh konjak that cleans up is sent into squeezer squeeze fast, the pan feeding processing speed is 12～25m
3/ h, temperature of charge is controlled at 12 ℃～18 ℃ in the squeezing fast, obtains the konjaku slag, and the moisture of konjaku slag is controlled at 30-35%, and the konjaku slag speed of response is 6～12 m
3/ h;
E, pulverizing: the konjaku ground-slag is broken to 80 order particles;
F, drying: the particle that step e is obtained uses pneumatic drier to dry in the rapid draing mode under 140 ℃, and be 0.75 minute drying time, and promptly getting does not have the sulphur konjaku powder.
Embodiment four
A kind of preparation method who does not have the sulphur konjaku powder, this method may further comprise the steps:
A, raw material are selected: selecting not have fresh konjak rotten, no foreign matter is raw material, and it is qualified that the residues of pesticides of fresh konjak and heavy-metal residual detect;
B, remove the peel and go terminal bud: will select qualified fresh konjak peeling and remove terminal bud;
C, cleaning: by hand or machinery fresh konjak is cleaned up;
D, squeezing fast: the fresh konjak that cleans up is sent into squeezer squeeze fast, the pan feeding processing speed is 12～25m
3/ h, temperature of charge is controlled at 12 ℃～18 ℃ in the squeezing fast, obtains the konjaku slag, and the moisture of konjaku slag is controlled at 30-35%, and the konjaku slag speed of response is 6～12 m
3/ h;
E, pulverizing: the konjaku ground-slag is broken to 100 order particles;
F, drying: the particle that step e is obtained uses pneumatic drier to dry in the rapid draing mode under 150 ℃, and be 0.6 minute drying time, and promptly getting does not have the sulphur konjaku powder.
Squeezing device therefor fast in the various embodiments described above is the roll-in dewaterer, model DYQ (N) 1000-2000P2-3, power 12-25KW, pan feeding treating capacity 2～30 m
3/ h, filter cake output 1～15 m
3/ h.
Claims (3)
1. preparation method who does not have the sulphur konjaku powder is characterized in that this method may further comprise the steps:
A, raw material are selected: selecting not have fresh konjak rotten, no foreign matter is raw material, and it is qualified that the residues of pesticides of fresh konjak and heavy-metal residual detect;
B, remove the peel and go terminal bud: will select qualified fresh konjak peeling and remove terminal bud;
C, cleaning: fresh konjak is cleaned up;
D, squeezing fast: the fresh konjak that cleans up is sent into squeezer squeeze fast, the pan feeding processing speed is 12～25m
3/ h, temperature of charge is controlled at 12 ℃～18 ℃ in the squeezing fast, obtains the konjaku slag, and the moisture of konjaku slag is controlled at 30-35%;
E, pulverizing: the konjaku ground-slag is broken to 40 orders～120 order particles;
F, drying: the particle that step e obtains is dried down at 120 ℃～160 ℃, and promptly getting does not have the sulphur konjaku powder.
2. a kind of preparation method who does not have the sulphur konjaku powder according to claim 1 is characterized in that: use pneumatic drier to dry among the described step f.
3. a kind of preparation method who does not have the sulphur konjaku powder according to claim 1 is characterized in that: among the described step f, drying is carried out in the rapid draing mode, and be 0.5～1 minute drying time.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011100381480A CN102106518B (en) | 2011-02-15 | 2011-02-15 | Method for preparing sulfur-free konjac fine flour |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100381480A CN102106518B (en) | 2011-02-15 | 2011-02-15 | Method for preparing sulfur-free konjac fine flour |
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| CN102106518A true CN102106518A (en) | 2011-06-29 |
| CN102106518B CN102106518B (en) | 2012-07-04 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104207298A (en) * | 2014-07-18 | 2014-12-17 | 湖北建始农泰产业有限责任公司 | Method for preventing browning in production of konjak powder |
| CN106666636A (en) * | 2016-12-29 | 2017-05-17 | 天津保元堂生物科技有限公司 | Konjac diet composition and preparation method thereof |
| CN108651917A (en) * | 2017-03-31 | 2018-10-16 | 陕西理工大学 | A kind of full powder of detoxication of konjac is without sulphur wet processing method |
| CN108651916A (en) * | 2017-03-31 | 2018-10-16 | 陕西理工大学 | A kind of half wet process konjak processing method |
| CN109007690A (en) * | 2018-07-11 | 2018-12-18 | 中山市智联企业孵化器发展有限公司 | A kind of preparation method of konjaku powder |
| CN111202223A (en) * | 2020-01-10 | 2020-05-29 | 四川森态源生物科技有限公司 | Konjak refined flour production equipment |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1104448A (en) * | 1994-04-27 | 1995-07-05 | 张东华 | Processing method for fine konjaku flour |
| CN1341381A (en) * | 2001-09-12 | 2002-03-27 | 关时瑜 | Sulfurless processing method for konjak |
| CN101347218A (en) * | 2007-07-21 | 2009-01-21 | 西昌学院 | Method for processing fine powder of konjak |
-
2011
- 2011-02-15 CN CN2011100381480A patent/CN102106518B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1104448A (en) * | 1994-04-27 | 1995-07-05 | 张东华 | Processing method for fine konjaku flour |
| CN1341381A (en) * | 2001-09-12 | 2002-03-27 | 关时瑜 | Sulfurless processing method for konjak |
| CN101347218A (en) * | 2007-07-21 | 2009-01-21 | 西昌学院 | Method for processing fine powder of konjak |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104207298A (en) * | 2014-07-18 | 2014-12-17 | 湖北建始农泰产业有限责任公司 | Method for preventing browning in production of konjak powder |
| CN106666636A (en) * | 2016-12-29 | 2017-05-17 | 天津保元堂生物科技有限公司 | Konjac diet composition and preparation method thereof |
| CN108651917A (en) * | 2017-03-31 | 2018-10-16 | 陕西理工大学 | A kind of full powder of detoxication of konjac is without sulphur wet processing method |
| CN108651916A (en) * | 2017-03-31 | 2018-10-16 | 陕西理工大学 | A kind of half wet process konjak processing method |
| CN109007690A (en) * | 2018-07-11 | 2018-12-18 | 中山市智联企业孵化器发展有限公司 | A kind of preparation method of konjaku powder |
| CN111202223A (en) * | 2020-01-10 | 2020-05-29 | 四川森态源生物科技有限公司 | Konjak refined flour production equipment |
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|---|---|
| CN102106518B (en) | 2012-07-04 |
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Address after: 443500, No. 438, Changyang Avenue, Yichang Economic Development Zone, Changyang Tujia Autonomous County, Hubei, China Patentee after: Hubei Polytron Technologies Inc Address before: 443500, No. 438, Changyang Avenue, Yichang Economic Development Zone, Changyang Tujia Autonomous County, Hubei, China Patentee before: Hubei Yizhi Konjac Biotechnology Co., Ltd. |