CN109007690A - A kind of preparation method of konjaku powder - Google Patents

A kind of preparation method of konjaku powder Download PDF

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Publication number
CN109007690A
CN109007690A CN201810758908.7A CN201810758908A CN109007690A CN 109007690 A CN109007690 A CN 109007690A CN 201810758908 A CN201810758908 A CN 201810758908A CN 109007690 A CN109007690 A CN 109007690A
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China
Prior art keywords
konjaku
mesh
drying
powder
fresh
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Application number
CN201810758908.7A
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Chinese (zh)
Inventor
刘文强
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Zhongshan Zhi Zhi Enterprise Incubator Development Co Ltd
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Zhongshan Zhi Zhi Enterprise Incubator Development Co Ltd
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Priority to CN201810758908.7A priority Critical patent/CN109007690A/en
Publication of CN109007690A publication Critical patent/CN109007690A/en
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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
    • 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
    • A23L3/00—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs
    • A23L3/40—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by drying or kilning; Subsequent reconstitution
    • A23L3/46—Spray-drying
    • 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
    • A23L3/00—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs
    • A23L3/40—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by drying or kilning; Subsequent reconstitution
    • A23L3/54—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by drying or kilning; Subsequent reconstitution using irradiation or electrical treatment, e.g. ultrasonic waves

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

Abstract

The invention discloses a kind of preparation methods of konjaku powder, method includes the following steps: 1. raw material selects: selecting konjaku fresh, that nothing is rotten is raw material；2. removing the peel and removing terminal bud: removing the peel and go terminal bud for the qualified fresh konjak of selection；3. cleaning: fresh konjak is cleaned up；4. crushing: konjaku is crushed to 40 mesh~120 mesh particles；5. drying: 4. particle that step obtains is dried at 120 DEG C~160 DEG C；6. grinding: 5. konjaku particulate abrasive that step is obtained to 140 mesh~200 mesh konjaku flours；7. washing: aqueous solvent solid-to-liquid ratio 1:30~40 are added in 6. konjaku flour that step is obtained, stir 5~10min；8. separation: 7. konjaku flour solution that step is obtained is centrifugated；9. drying: 8. supernatant that step is obtained is spray-dried up to a kind of konjaku powder.A kind of preparation method of konjaku powder provided by the invention, obtained konjaku powder color is good, with high purity, quality is good.

Description

A kind of preparation method of konjaku powder
Technical field
The present invention relates to a kind of method of deep processing of farm products, especially one kind, and konjaku essence is prepared using fresh Amorphophallus rivieri as raw material The preparation method of powder.
Background technique
Konjaku powder is also known as konjaku flour or konjacmannan, and konjaku is beneficial basic food, to edible animal acid Property the excessive people of food, collocation eat konjaku, can achieve food acid, soda balance, it is advantageous to human health.Konjaku underground stem tuber is flat Circle, just like big size water chestnut, nutrition very abundant also contain containing the mineral matter elements such as multivitamin and potassium, phosphorus, selenium The konjac polysaccharide that necessary for human is wanted, and have the characteristics that low in calories, low fat and high-cellulose.
The preparation method of domestic existing konjaku powder mainly there are several types of:
1, fresh konjak is passed through and removes the peel, cleans, crushing mashing, is diluted with alcohol and precipitate, be centrifugated, konjaku is made after drying Fine powder；
2, by fresh konjak by the way that konjaku powder is made after peeling, cleaning, crushing, preliminarily dried, separating twice and drying；
3, through peeling, slice, drying, crushing, sieving gained fine powder, will claim " konjaku flour ", then will after the drying of fresh konjak root tuber " konjaku flour " is dipped in ethyl alcohol, is dried under reduced pressure at 60 DEG C, with petroleum ether degreasing, is filtered after the dissolution of adding sodium hydroxide liquid, filtrate Add lead acetate to extract again after being neutralized with hydrochloric acid, take filtrate, be passed through hydrogen sulfide to remove lead ion, add ethanol precipitation, is centrifugated Acetone drying is used afterwards, is first crude product, then dissolved with sodium hydroxide, and filtering is concentrated after being neutralized with hydrochloric acid, with ethanol precipitation, centrifugation Fine work is obtained with acetone drying again afterwards, is claimed " konjaku powder ".
The shortcomings that above-mentioned several method is " konjaku powder " of first two method production, and there are purity low, inferior to ask Topic；Although " konjaku powder " purity of later approach production is higher, its production technology is complicated, high production cost, and easily makes At the residual of " lead " in process, food safety is influenced.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of preparation method of konjaku powder, obtained konjaku essence pink colour Pool is good, with high purity, quality is good.
In order to solve the above technical problems, the technical scheme adopted by the invention is that: a kind of preparation method of konjaku powder, it should Method the following steps are included:
1. raw material selects: selecting konjaku fresh, that nothing is rotten is raw material；
2. removing the peel and removing terminal bud: removing the peel and go terminal bud for the qualified fresh konjak of selection；3. cleaning: fresh konjak being cleaned dry Only；
4. crushing: konjaku is crushed to 40 mesh~120 mesh particles；
5. drying: 4. particle that step obtains is dried at 100 DEG C~150 DEG C；6. grinding: 5. konjaku that step is obtained Grain is ground to 140 mesh~200
Mesh konjaku flour；
7. washing: aqueous solvent solid-to-liquid ratio 1:30~40 are added in 6. konjaku flour that step is obtained, stir 5~10min；
8. separation: 7. konjaku flour solution that step is obtained is in 2000~8000r/min of revolving speed, the centrifugation point of 5~20min of time From；
9. drying: 8. supernatant that step is centrifuged is spray-dried up to a kind of konjaku powder.
Preferably, step of the present invention 5. in use microwave drying.
Preferably, step of the present invention 9. in supernatant using being done by spraying again after the filtering of 200 mesh~300 mesh It is dry.
A kind of preparation method of konjaku powder provided by the invention, has the beneficial effect that:
1, for konjaku powder in whole preparation process, overall process guarantees product safety, health, without dirt without any chemical addition agent Dye.
2, the preparation method relative to existing konjaku powder, processing konjaku powder color is good, with high purity, quality is good.
3, whole process uses the production technology of microwave drying and spray drying, and dry tenacity is big, the thermal efficiency is high, place Reason amount is big, the dry time used is short, while reducing production cost.
4, using simple production process, easy to control, stability is good, continuity is strong, equipment operation is convenient.
Specific embodiment
The protection model that the present invention is described in detail below with reference to embodiment, but does not limit the invention in any way It encloses.
Embodiment 1
A kind of preparation method of konjaku powder, method includes the following steps:
1. raw material selects: selecting konjaku fresh, that nothing is rotten is raw material；
2. removing the peel and removing terminal bud: removing the peel and go terminal bud for the qualified fresh konjak of selection；
3. cleaning: fresh konjak is cleaned up；
4. crushing: konjaku is crushed to 40 mesh particles；
5. drying: 4. particle that step obtains is dried to moisture < 8% for 100 DEG C in an oven；
6. grinding: 5. konjaku particulate abrasive that step is obtained to 140 mesh konjaku flours；
7. washing: aqueous solvent solid-to-liquid ratio 1:30 is added in 6. konjaku flour that step is obtained, stirs 5min；
8. separation: 7. konjaku flour solution that step is obtained is in revolving speed 2000r/min, the centrifuge separation of time 20min；
9. drying: 8. supernatant that step is centrifuged is spray-dried up to a kind of konjaku powder.
Embodiment 2
A kind of preparation method of konjaku powder, method includes the following steps:
1. raw material selects: selecting konjaku fresh, that nothing is rotten is raw material；
2. removing the peel and removing terminal bud: removing the peel and go terminal bud for the qualified fresh konjak of selection；
3. cleaning: fresh konjak is cleaned up；
4. crushing: konjaku is crushed to 120 mesh particles；
5. drying: moisture < 6% will be dried at 4. particle that step obtains in an oven 150 DEG C；
6. grinding: 5. konjaku particulate abrasive that step is obtained to 200 mesh konjaku flours；
7. washing: aqueous solvent solid-to-liquid ratio 1:40 is added in 6. konjaku flour that step is obtained, stirs 10min；
8. separation: 7. konjaku flour solution that step is obtained is in revolving speed 8000r/min, the centrifuge separation of time 5min；
9. drying: 8. supernatant that step is centrifuged is spray-dried up to a kind of konjaku powder.
Embodiment 3
A kind of preparation method of konjaku powder, method includes the following steps:
1. raw material selects: selecting konjaku fresh, that nothing is rotten is raw material；
2. removing the peel and removing terminal bud: removing the peel and go terminal bud for the qualified fresh konjak of selection；
3. cleaning: fresh konjak is cleaned up；
4. crushing: konjaku is crushed to 80 mesh particles；
5. drying: 4. particle that step obtains is dried to moisture < 6% at 120 DEG C；
6. grinding: 5. konjaku particulate abrasive that step is obtained to 160 mesh konjaku flours；
7. washing: aqueous solvent solid-to-liquid ratio 1:35 is added in 6. konjaku flour that step is obtained, stirs 6min；
8. separation: 7. konjaku flour solution that step is obtained is in revolving speed 5000r/min, the centrifuge separation of time 10min；
9. drying: 8. supernatant that step is centrifuged is spray-dried up to a kind of konjaku powder.
Embodiment 4
A kind of preparation method of konjaku powder, method includes the following steps:
1. raw material selects: selecting konjaku fresh, that nothing is rotten is raw material；
2. removing the peel and removing terminal bud: removing the peel and go terminal bud for the qualified fresh konjak of selection；
3. cleaning: fresh konjak is cleaned up；
4. crushing: konjaku is crushed to 100 mesh particles；
5. drying: by 4. particle that step obtains, microwave drying 2min is dried to moisture < 6% at 100 DEG C；
6. grinding: 5. konjaku particulate abrasive that step is obtained to 180 mesh konjaku flours；
7. washing: aqueous solvent solid-to-liquid ratio 1:40 is added in 6. konjaku flour that step is obtained, stirs 5min；
8. separation: 7. konjaku flour solution that step is obtained is in revolving speed 6000r/min, the centrifuge separation of time 8min；
9. drying: 8. supernatant that step is centrifuged is spray-dried up to a kind of konjaku powder.
Embodiment 5
A kind of preparation method of konjaku powder, method includes the following steps:
1. raw material selects: selecting konjaku fresh, that nothing is rotten is raw material；
2. removing the peel and removing terminal bud: removing the peel and go terminal bud for the qualified fresh konjak of selection；
3. cleaning: fresh konjak is cleaned up；
4. crushing: konjaku is crushed to 80 mesh particles；
5. drying: by 4. particle that step obtains, microwave drying 2min is dried to moisture < 6% at 100 DEG C；
6. grinding: 5. konjaku particulate abrasive that step is obtained to 150 mesh konjaku flours；
7. washing: aqueous solvent solid-to-liquid ratio 1:30 is added in 6. konjaku flour that step is obtained, stirs 8min；
8. separation: 7. konjaku flour solution that step is obtained is in revolving speed 3000r/min, the centrifuge separation of time 10min；
9. drying: will be spray-dried after 8. 260 mesh filter cloth pressure filtration of supernatant that step is centrifuged up to a kind of konjaku essence Powder.

Claims (1)

1. a kind of preparation method of konjaku powder, which comprises the following steps:
1. raw material selects: selecting konjaku fresh, that nothing is rotten is raw material；
2. removing the peel and removing terminal bud: removing the peel and go terminal bud for the qualified fresh konjak of selection；3. cleaning: fresh konjak being cleaned dry Only；
4. crushing: konjaku is crushed to 40 mesh~120 mesh particles；
5. drying: 4. particle that step obtains is dried at 100 DEG C~150 DEG C；6. grinding: 5. konjaku that step is obtained Grain is ground to 140 mesh~200 mesh konjaku flours；
7. washing: aqueous solvent solid-to-liquid ratio 1:30~40 are added in 6. konjaku flour that step is obtained, stir 5~10min；
8. separation: 7. konjaku flour solution that step is obtained is in 2000~8000r/min of revolving speed, the centrifugation point of 5~20min of time From；
9. drying: 8. supernatant that step is centrifuged is spray-dried up to a kind of konjaku powder.
CN201810758908.7A 2018-07-11 2018-07-11 A kind of preparation method of konjaku powder Withdrawn CN109007690A (en)

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111802198A (en) * 2020-07-22 2020-10-23 广西冠太生物科技有限公司 Selenium-rich nutrient solution for planting konjac, selenium-rich konjac fine powder and selenium-rich konjac protein powder preparation method

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1078108A (en) * 1992-04-30 1993-11-10 罗学刚 Processing technology for producing konjak refined powder by fresh method
CN1167116A (en) * 1996-06-04 1997-12-10 吴万兴 Technology of extracting Amorphophallus rivieri mannan
CN102106518A (en) * 2011-02-15 2011-06-29 湖北一致魔芋生物科技有限公司 Method for preparing sulfur-free konjac fine flour
CN102524707A (en) * 2012-01-06 2012-07-04 陕西天元隆农业科技有限公司 Konjac processing process
CN103304677A (en) * 2013-01-31 2013-09-18 重庆大学 Method for separating and purifying konjac glucomannan
CN106307250A (en) * 2016-08-25 2017-01-11 湖北致魔芋生物科技股份有限公司 Method for preparing high purity konjac fine powder

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1078108A (en) * 1992-04-30 1993-11-10 罗学刚 Processing technology for producing konjak refined powder by fresh method
CN1167116A (en) * 1996-06-04 1997-12-10 吴万兴 Technology of extracting Amorphophallus rivieri mannan
CN102106518A (en) * 2011-02-15 2011-06-29 湖北一致魔芋生物科技有限公司 Method for preparing sulfur-free konjac fine flour
CN102524707A (en) * 2012-01-06 2012-07-04 陕西天元隆农业科技有限公司 Konjac processing process
CN103304677A (en) * 2013-01-31 2013-09-18 重庆大学 Method for separating and purifying konjac glucomannan
CN106307250A (en) * 2016-08-25 2017-01-11 湖北致魔芋生物科技股份有限公司 Method for preparing high purity konjac fine powder

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
曹华等: "魔芋丝的加工技术", 《中小企业科技》 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111802198A (en) * 2020-07-22 2020-10-23 广西冠太生物科技有限公司 Selenium-rich nutrient solution for planting konjac, selenium-rich konjac fine powder and selenium-rich konjac protein powder preparation method
CN111802198B (en) * 2020-07-22 2022-06-07 广西冠太农业科技有限公司 Selenium-rich nutrient solution for planting konjac, selenium-rich konjac fine powder and selenium-rich konjac protein powder preparation method

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Application publication date: 20181218