CN102643365A - Method for directly extracting glucomannan from fresh konjak - Google Patents
Method for directly extracting glucomannan from fresh konjak Download PDFInfo
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- CN102643365A CN102643365A CN2012101332043A CN201210133204A CN102643365A CN 102643365 A CN102643365 A CN 102643365A CN 2012101332043 A CN2012101332043 A CN 2012101332043A CN 201210133204 A CN201210133204 A CN 201210133204A CN 102643365 A CN102643365 A CN 102643365A
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- konjaku
- glucomannan
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- low temperature
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- 229920002752 Konjac Polymers 0.000 title claims abstract description 91
- 235000010485 konjac Nutrition 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 12
- LUEWUZLMQUOBSB-FSKGGBMCSA-N (2s,3s,4s,5s,6r)-2-[(2r,3s,4r,5r,6s)-6-[(2r,3s,4r,5s,6s)-4,5-dihydroxy-2-(hydroxymethyl)-6-[(2r,4r,5s,6r)-4,5,6-trihydroxy-2-(hydroxymethyl)oxan-3-yl]oxyoxan-3-yl]oxy-4,5-dihydroxy-2-(hydroxymethyl)oxan-3-yl]oxy-6-(hydroxymethyl)oxane-3,4,5-triol Chemical compound O[C@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1O[C@@H]1[C@@H](CO)O[C@@H](O[C@@H]2[C@H](O[C@@H](OC3[C@H](O[C@@H](O)[C@@H](O)[C@H]3O)CO)[C@@H](O)[C@H]2O)CO)[C@H](O)[C@H]1O LUEWUZLMQUOBSB-FSKGGBMCSA-N 0.000 title abstract description 8
- 229920002581 Glucomannan Polymers 0.000 title abstract description 8
- 229940046240 glucomannan Drugs 0.000 title abstract description 8
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 18
- 238000000227 grinding Methods 0.000 claims abstract description 15
- 239000000843 powder Substances 0.000 claims abstract description 10
- 238000001035 drying Methods 0.000 claims abstract description 7
- 239000002699 waste material Substances 0.000 claims abstract description 7
- 238000004140 cleaning Methods 0.000 claims abstract description 6
- 239000002245 particle Substances 0.000 claims abstract description 6
- 238000010298 pulverizing process Methods 0.000 claims abstract description 6
- 238000000926 separation method Methods 0.000 claims abstract description 3
- 235000001206 Amorphophallus rivieri Nutrition 0.000 claims description 35
- 239000000252 konjac Substances 0.000 claims description 23
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- 230000018044 dehydration Effects 0.000 claims description 10
- 238000006297 dehydration reaction Methods 0.000 claims description 10
- 239000002002 slurry Substances 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 6
- 238000004537 pulping Methods 0.000 claims description 5
- 239000000284 extract Substances 0.000 claims description 4
- 241001312219 Amorphophallus konjac Species 0.000 claims 4
- 239000012535 impurity Substances 0.000 abstract description 7
- 102000030523 Catechol oxidase Human genes 0.000 abstract description 3
- 108010031396 Catechol oxidase Proteins 0.000 abstract description 3
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- 230000002349 favourable effect Effects 0.000 abstract description 2
- 239000002244 precipitate Substances 0.000 abstract description 2
- 230000001476 alcoholic effect Effects 0.000 abstract 2
- 238000007605 air drying Methods 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 244000247812 Amorphophallus rivieri Species 0.000 description 31
- 239000007789 gas Substances 0.000 description 8
- 235000013305 food Nutrition 0.000 description 7
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- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 3
- 239000005864 Sulphur Substances 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 238000009841 combustion method Methods 0.000 description 3
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- 229910052760 oxygen Inorganic materials 0.000 description 3
- 238000005057 refrigeration Methods 0.000 description 3
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- 239000000654 additive Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 230000008719 thickening Effects 0.000 description 2
- 241001278826 Amorphophallus Species 0.000 description 1
- 240000007087 Apium graveolens Species 0.000 description 1
- 235000015849 Apium graveolens Dulce Group Nutrition 0.000 description 1
- 235000010591 Appio Nutrition 0.000 description 1
- 235000010149 Brassica rapa subsp chinensis Nutrition 0.000 description 1
- 235000000536 Brassica rapa subsp pekinensis Nutrition 0.000 description 1
- 241000499436 Brassica rapa subsp. pekinensis Species 0.000 description 1
- 206010010774 Constipation Diseases 0.000 description 1
- 239000004278 EU approved seasoning Substances 0.000 description 1
- 229920002488 Hemicellulose Polymers 0.000 description 1
- 208000035150 Hypercholesterolemia Diseases 0.000 description 1
- 208000031226 Hyperlipidaemia Diseases 0.000 description 1
- 229920000057 Mannan Polymers 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
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- 235000010627 Phaseolus vulgaris Nutrition 0.000 description 1
- 244000046052 Phaseolus vulgaris Species 0.000 description 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
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- 235000007983 food acid Nutrition 0.000 description 1
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- Preparation Of Fruits And Vegetables (AREA)
Abstract
The invention relates to a method for directly extracting glucomannan from fresh konjak, which comprises the following steps: cleaning, peeling, putting in a low-temperature oxygen-free chamber, squeezing and pulverizing, carrying out rotary dewatering, adding edible alcohol, grinding, separating, dehumidifying and drying. The invention has the following advantages: the processing in the low-temperature oxygen-free chamber can inhibit the activities of polyphenol oxidase and prevent browning; the fresh konjak and clear water are squeezed and pulverized together, so that the glucomannan can swell, and the attached foreign matters can fall off; the dewatering can separate part of foreign matters and reduce the consumption of the alcoholic solution; the alcoholic solution can precipitate and deposit glucomannan; the grinding can further strip impurities on the glucomannan powder particles and dissolve the impurities in the alcohol; the rotary separation can remove waste liquor and impurities; the dehumidifier is utilized to make a dry environment; the low-temperature air-drying method is used for drying, thereby preventing the konjak micropowder from browning or gelatinizing due to heating; and thus, the glucomannan has the advantages of high purity, and favorable smell and color.
Description
Technical field
The present invention relates to a kind of konjac glucomanna process for extracting, particularly a kind of method of from fresh Amorphophallus rivieri, directly extracting konjac glucomanna.
Background technology
Konjaku other Ming Amorphophalus rivieri belongs to the perennial perennial root stem tuber of Araeceae herbage; Mainly originate in the torrid zone, the EasternHemisphere, subtropics, China is one of country of origin, and all there is distribution in province mountain areas such as Sichuan, Hubei, Hunan, Yunnan, Guizhou, Shaanxi, Guangdong, Guangxi, Anhui, Fujian, Taiwan; Amorphophallus species is a lot, and there is more than 260 kind in the whole world, in state-owned 21 kinds, wherein 8 kinds be China peculiar.
China is shown in " Mingyi Bielu " of Wei Jin TAO Hong-Jing in period the earliest about the applicating history of konjaku, and first year konjaku is as medicine, later successive dynasties doctor work is all compiled, and Compendium of Material Medica has been introduced konjaku in detail as the instructions of taking of Chinese medicine and processing, modulator approach.
Konjaku is useful basic food, and to the too much people of edible animal property acidic food, konjaku is eaten in collocation, can reach food acids, soda balance, and is favourable to HUMAN HEALTH; At present health care, the medical functions of konjaku many clinical experimental studies have been made all over the world; The conclusion basically identical; Wherein the staple Rhizoma amorphophalli glucomannan belongs to water-soluble hemicellulose, and its outstanding nutrient health-care function is to bring into play the regulating effect of food fibre to nutritional imbalance, contained non-water-soluble fiber in the greengroceries such as it and Chinese cabbage, celery; Original shape discharge person is different after getting into human body, and it can participate in the metabolism of human body and influence entero-bacte changing to helping healthy direction; Konjaku is except that containing a large amount of konjac glucomannas; The amino acid and 10 kinds of mineral trace elements and the abundant foodstuff fibre that also contain vegeto-alkali, pectin, 17 kinds of needed by human body; It is the unique plant that contains a large amount of konjac glucomannas of organic sphere; Modern rich man diseases such as hyperlipidemia, hypercholesterolemia, mellitus, obesity, constipation are had good preventive and therapeutic effect, are middle-aged and old ideal heath food, receive the favor of world's health food market deeply; In Japan, konjaku becomes the indispensable delicacies of seat seat already, is described as " magic power food ".
Rhizoma amorphophalli glucomannan also has performances such as thickening, emulsification, gelling, bonding, water conservation; Its powder promptly can be used as major ingredient and makes various food; Also can be used as foodstuff additive to improve the quality of other food; In foodstuffs industry, be used as foodstuff additive such as thickening material, suspended emulsion agent, emulsifying agent, stablizer, quality improver, be widely used in cereal product, meat product, beverage, seasonings, the bean product; Also can be used for fields such as makeup, textile industry, construction industry, consumable film, environment protection, historical relic's protection in addition.
Owing to the extensive use of konjaku and all over the world to the understanding of konjaku, make that the market requirement of konjaku is increasing, formed three big markets such as Japanese market, Korea S and market, South East Asia, American-European market at present.Needed both at home and abroad 900,000 tons of fresh Amorphophallus rivieris in 2006, and only 520,000 tons of output can't be satisfied the demand far away.Since the eighties in 20th century, Chinese konjaku has begun industrialized development, but because of starting to walk evening; The processing technology of konjaku never has very quantum jump; Particularly aspect the extraction of konjac glucomanna, because the water cut of konjaku is high, starch, protein and other impurity are many; Simultaneously because brown stain easily is difficult to extract the high-quality konjac glucomanna of high purity.The patent No. 96118813.8 has announced that " extraction process of konjak mannan " separate through making konjaku powder swelling postprecipitation, uses ethanol sedimentation again, obtains mannosans then with vacuum-drying; The patent No. 011066709 has been announced " extraction process of high-purity kanjak glucomannosan ", through konjaku powder is carried out the dry method enzymolysis, and ethanol sedimentation, swelling and ethanol redeposition carry out drying through cryogenic vacuum again; Though these methods can be extracted mannosans or konjac glucomanna, the problem of oxidation brown stain problem of polyphenoloxidase when not noting extracting, product quality is good inadequately.
Summary of the invention
Technical problem to be solved by this invention provides a kind of konjac glucomanna that in the low temperature oxygen-free environment, from fresh Amorphophallus rivieri, directly extracts, and is dry with removing wet method then, to prevent brown stain and gelatinization, improves the quality of products.
For solving the problems of the technologies described above; The technical scheme that the present invention adopted is a kind of method of from fresh Amorphophallus rivieri, directly extracting konjac glucomanna; Remove the peel, put into low temperature anaerobic chamber, squeezing pulverizing, rotary dehydration by cleaning, accomplish with edible ethanol, grinding, separation, removal moisture drying eight big operations, concrete grammar is following.
1. clean peeling: remove fresh Amorphophallus rivieri main bud and coring, clean surface silt and spot are peeled or are excavated rotten part, in flowing water, rinse well again, put into then in the clear water of 1.8 times of weight.
2. put into low temperature anaerobic chamber: it is indoor that the konjaku stem tuber is put into 5-7 ℃ low temperature anaerobic together with clear water, and following operation is all at low temperature anaerobic in-house operation.
3. squeezing is pulverized: put into kibbler pulverizing 1-1.5 hour again after the konjaku stem tuber is put into the squeezing machine squeezing together with clear water, up to becoming the konjaku slag of particle diameter less than 1mm.
4. rotary dehydration: the konjaku slag is put into rotary gas separator rotary dehydration rapidly.
5. with edible ethanol: the edible alcohol solution that in the konjaku slag, adds equal-volume 60%-65%.
6. grind: the konjaku slag that will add edible ethanol is put into the grinding machine for grinding pulping.
7. separate: with the konjaku slurry put into rotary gas separator rapidly rotation get rid of and take off waste liquid.
8. removal moisture drying: the konjaku slurry is put into kiln, and the unlatching dehumidifier reaches indoor relative humidity and remains 10%, uses wind speed as the air-dry 90-120 of the low-temperature airflow of 1.0-1.5 meter per second minute, obtains konjac glucomanna white dried powder.
The invention has the beneficial effects as follows: can suppress the activity of polyphenoloxidase in the indoor processing of low temperature anaerobic, prevent brown stain; Fresh Amorphophallus rivieri and clear water are squeezed pulverizing together, can make the konjac glucomanna swelling, be convenient to make the foreign material that adhere to break away from; Dehydration can the separate part foreign material and can be reduced the consumption of spirituous solution, and spirituous solution can make konjac glucomanna separate out and precipitate, and grinding can further be peeled off attached to the impurity on the konjac glucomanna powder, and impurity is dissolved in the alcohol; Rotation separates can get rid of waste liquid and impurity, adopts dehumidifier to make dry environment, dry with the method that low temperature is air-dry, can avoid Rhizoma amorphophalli micropowder Yin Jiawen and brown stain or gelatinization; The konjac glucomanna that extracts so not only purity is high, and the smell good colors.
Embodiment
Below in conjunction with embodiment the present invention is described further.
Embodiment 1.
The fresh Amorphophallus rivieri stem tuber 200kg that getting peels after cleaning up puts in the container that the 360kg clear water is housed, and the low temperature anaerobic of container being put into 5 ℃ is indoor, adopts combustion method to eliminate indoor oxygen, regulates the room temperature with refrigeration plant; The indoor just konjaku of low temperature anaerobic stem tuber is put into the squeezing machine squeezing together with clear water after, put into kibbler again and pulverized 1 hour, up to becoming the konjaku slag of particle diameter less than 1mm; Then the konjaku slag is put into rotary gas separator rotary dehydration rapidly; The edible alcohol solution that in the konjaku slag, adds equal-volume 60% is again put into the grinding machine for grinding pulping; Then with the konjaku slurry put into rotary gas separator rapidly rotation get rid of and take off waste liquid; Then konjaku slurry is put into kiln, open dehumidifier and indoor relative humidity is reached and remain 10%, using wind speed is air-dry 90 minutes of the low-temperature airflow of 1.0 meter per seconds; Obtain konjac glucomanna white dry powder 23.0kg; Through check konjac glucomanna content is 95.6%, and product does not have brown stain, no sulphur.
Embodiment 2
The fresh Amorphophallus rivieri stem tuber 100kg that getting peels after cleaning up puts in the container that the 180kg clear water is housed, and the low temperature anaerobic of container being put into 6 ℃ is indoor, adopts combustion method to eliminate indoor oxygen, regulates the room temperature with refrigeration plant; The indoor just konjaku of low temperature anaerobic stem tuber is put into the squeezing machine squeezing together with clear water after, put into kibbler again and pulverized 1.3 hours, up to becoming the konjaku slag of particle diameter less than 1mm; Then the konjaku slag is put into rotary gas separator rotary dehydration rapidly; The edible alcohol solution that in the konjaku slag, adds equal-volume 63% is again put into the grinding machine for grinding pulping; Then with the konjaku slurry put into rotary gas separator rapidly rotation get rid of and take off waste liquid; Then konjaku slurry is put into kiln, open dehumidifier and indoor relative humidity is reached and remain 10%, using wind speed is air-dry 110 minutes of the low-temperature airflow of 1.3 meter per seconds; Obtain konjac glucomanna white dry powder 11.3kg; Through check konjac glucomanna content is 95.3%, and product does not have brown stain, no sulphur.
Embodiment 3.
The fresh Amorphophallus rivieri stem tuber 300kg that getting peels after cleaning up puts in the container that the 540kg clear water is housed, and the low temperature anaerobic of container being put into 7 ℃ is indoor, adopts combustion method to eliminate indoor oxygen, regulates the room temperature with refrigeration plant; The indoor just konjaku of low temperature anaerobic stem tuber is put into the squeezing machine squeezing together with clear water after, put into kibbler again and pulverized 1.5 hours, up to becoming the konjaku slag of particle diameter less than 1mm; Then the konjaku slag is put into rotary gas separator rotary dehydration rapidly; The edible alcohol solution that in the konjaku slag, adds equal-volume 65% is again put into the grinding machine for grinding pulping; Then with the konjaku slurry put into rotary gas separator rapidly rotation get rid of and take off waste liquid; Then konjaku slurry is put into kiln, open dehumidifier and indoor relative humidity is reached and remain 10%, using wind speed is air-dry 120 minutes of the low-temperature airflow of 1.5 meter per seconds; Obtain konjac glucomanna white dry powder 34.2kg; Through check konjac glucomanna content is 95.9%, and product does not have brown stain, no sulphur.
Claims (1)
1. from fresh Amorphophallus rivieri, directly extract the method for konjac glucomanna, remove the peel, put into low temperature anaerobic chamber, squeezing pulverizing, rotary dehydration by cleaning, accomplish, it is characterized in that concrete grammar is following with edible ethanol, grinding, separation, removal moisture drying eight big operations:
A. clean peeling: remove fresh Amorphophallus rivieri main bud and coring, clean surface silt and spot are peeled or are excavated rotten part, in flowing water, rinse well again, put into then in the clear water of 1.8 times of weight;
B. put into low temperature anaerobic chamber: it is indoor that the konjaku stem tuber is put into 5-7 ℃ low temperature anaerobic together with clear water, and following operation is all at low temperature anaerobic in-house operation;
C. squeezing is pulverized: put into kibbler pulverizing 1-1.5 hour again after the konjaku stem tuber is put into the squeezing machine squeezing together with clear water, up to becoming the konjaku slag of particle diameter less than 1mm;
D. rotary dehydration: the konjaku slag is put into rotary gas separator rotary dehydration rapidly;
E. with edible ethanol: the edible alcohol solution that in the konjaku slag, adds equal-volume 60%-65%;
F. grind: the konjaku slag that will add edible ethanol is put into the grinding machine for grinding pulping;
G. separate: with the konjaku slurry put into rotary gas separator rapidly rotation get rid of and take off waste liquid;
H. removal moisture drying: the konjaku slurry is put into kiln, and the unlatching dehumidifier reaches indoor relative humidity and remains 10%, uses wind speed as the air-dry 90-120 of the low-temperature airflow of 1.0-1.5 meter per second minute, obtains konjac glucomanna white dried powder.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012101332043A CN102643365A (en) | 2012-05-03 | 2012-05-03 | Method for directly extracting glucomannan from fresh konjak |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012101332043A CN102643365A (en) | 2012-05-03 | 2012-05-03 | Method for directly extracting glucomannan from fresh konjak |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103393040A (en) * | 2013-07-09 | 2013-11-20 | 云南农业大学 | Method for increasing content of fructose in konjak bulbs |
| CN103461902A (en) * | 2013-07-29 | 2013-12-25 | 西昌学院 | Low-alcohol concentration wet processing method for refined konjak powder |
| CN104642966A (en) * | 2015-03-17 | 2015-05-27 | 武俐宏 | Using and preparation methods of konjak vitamin powder |
| CN109467612A (en) * | 2018-11-01 | 2019-03-15 | 山东汇润膳食堂股份有限公司 | A kind of method for separating and extracting Panax notoginseng with alcohol grinding |
-
2012
- 2012-05-03 CN CN2012101332043A patent/CN102643365A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103393040A (en) * | 2013-07-09 | 2013-11-20 | 云南农业大学 | Method for increasing content of fructose in konjak bulbs |
| CN103393040B (en) * | 2013-07-09 | 2016-03-02 | 云南农业大学 | A kind of method improving fructose content in konjaku kind ball |
| CN103461902A (en) * | 2013-07-29 | 2013-12-25 | 西昌学院 | Low-alcohol concentration wet processing method for refined konjak powder |
| CN103461902B (en) * | 2013-07-29 | 2014-07-16 | 西昌学院 | Low-alcohol concentration wet processing method for refined konjak powder |
| CN104642966A (en) * | 2015-03-17 | 2015-05-27 | 武俐宏 | Using and preparation methods of konjak vitamin powder |
| CN109467612A (en) * | 2018-11-01 | 2019-03-15 | 山东汇润膳食堂股份有限公司 | A kind of method for separating and extracting Panax notoginseng with alcohol grinding |
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Application publication date: 20120822 |