CN111758935A - Preparation method of spray-dried kudzu root instant powder - Google Patents
Preparation method of spray-dried kudzu root instant powder Download PDFInfo
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- CN111758935A CN111758935A CN202010660540.8A CN202010660540A CN111758935A CN 111758935 A CN111758935 A CN 111758935A CN 202010660540 A CN202010660540 A CN 202010660540A CN 111758935 A CN111758935 A CN 111758935A
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- 235000010575 Pueraria lobata Nutrition 0.000 title claims abstract description 49
- 241000219781 Pueraria montana var. lobata Species 0.000 title claims abstract description 47
- 239000000843 powder Substances 0.000 title claims abstract description 34
- 238000002360 preparation method Methods 0.000 title claims abstract description 21
- 235000011389 fruit/vegetable juice Nutrition 0.000 claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 18
- 238000001694 spray drying Methods 0.000 claims abstract description 15
- 108090000790 Enzymes Proteins 0.000 claims abstract description 12
- 102000004190 Enzymes Human genes 0.000 claims abstract description 12
- 238000010438 heat treatment Methods 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims abstract description 12
- 238000004537 pulping Methods 0.000 claims abstract description 10
- 238000013329 compounding Methods 0.000 claims abstract description 5
- 239000012528 membrane Substances 0.000 claims description 16
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 12
- 229940088598 enzyme Drugs 0.000 claims description 11
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 8
- 238000001914 filtration Methods 0.000 claims description 5
- 238000004806 packaging method and process Methods 0.000 claims description 5
- 239000004382 Amylase Substances 0.000 claims description 4
- 108010065511 Amylases Proteins 0.000 claims description 4
- 102000013142 Amylases Human genes 0.000 claims description 4
- ZZZCUOFIHGPKAK-UHFFFAOYSA-N D-erythro-ascorbic acid Natural products OCC1OC(=O)C(O)=C1O ZZZCUOFIHGPKAK-UHFFFAOYSA-N 0.000 claims description 4
- AYRXSINWFIIFAE-SCLMCMATSA-N Isomaltose Natural products OC[C@H]1O[C@H](OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C=O)[C@@H](O)[C@@H](O)[C@@H]1O AYRXSINWFIIFAE-SCLMCMATSA-N 0.000 claims description 4
- 229920002774 Maltodextrin Polymers 0.000 claims description 4
- 239000005913 Maltodextrin Substances 0.000 claims description 4
- 108091005804 Peptidases Proteins 0.000 claims description 4
- 239000004365 Protease Substances 0.000 claims description 4
- 102100037486 Reverse transcriptase/ribonuclease H Human genes 0.000 claims description 4
- 229930003268 Vitamin C Natural products 0.000 claims description 4
- 235000019418 amylase Nutrition 0.000 claims description 4
- 235000021552 granulated sugar Nutrition 0.000 claims description 4
- DLRVVLDZNNYCBX-RTPHMHGBSA-N isomaltose Chemical compound O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@@H]1OC[C@@H]1[C@@H](O)[C@H](O)[C@@H](O)C(O)O1 DLRVVLDZNNYCBX-RTPHMHGBSA-N 0.000 claims description 4
- 229940035034 maltodextrin Drugs 0.000 claims description 4
- 230000002572 peristaltic effect Effects 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 4
- 235000019154 vitamin C Nutrition 0.000 claims description 4
- 239000011718 vitamin C Substances 0.000 claims description 4
- 108010059892 Cellulase Proteins 0.000 claims description 3
- 108010073178 Glucan 1,4-alpha-Glucosidase Proteins 0.000 claims description 3
- 102100022624 Glucoamylase Human genes 0.000 claims description 3
- 108010059820 Polygalacturonase Proteins 0.000 claims description 3
- 229940106157 cellulase Drugs 0.000 claims description 3
- 239000000919 ceramic Substances 0.000 claims description 3
- 238000005352 clarification Methods 0.000 claims description 3
- 108010093305 exopolygalacturonase Proteins 0.000 claims description 3
- 241000219780 Pueraria Species 0.000 claims description 2
- 238000000605 extraction Methods 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 10
- 230000008569 process Effects 0.000 abstract description 5
- 238000000108 ultra-filtration Methods 0.000 abstract description 5
- 235000013305 food Nutrition 0.000 abstract description 4
- 239000003814 drug Substances 0.000 abstract description 3
- 238000012545 processing Methods 0.000 abstract description 3
- 241000196324 Embryophyta Species 0.000 abstract description 2
- 229920002521 macromolecule Polymers 0.000 abstract description 2
- 235000015097 nutrients Nutrition 0.000 abstract description 2
- 238000009700 powder processing Methods 0.000 abstract description 2
- 239000002994 raw material Substances 0.000 abstract description 2
- 244000046146 Pueraria lobata Species 0.000 abstract 2
- 229920002472 Starch Polymers 0.000 description 4
- 235000019698 starch Nutrition 0.000 description 4
- 239000008107 starch Substances 0.000 description 4
- 230000006870 function Effects 0.000 description 3
- 235000016709 nutrition Nutrition 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 241000220485 Fabaceae Species 0.000 description 1
- 241000907661 Pieris rapae Species 0.000 description 1
- 241000731396 Pueraria montana var. thomsonii Species 0.000 description 1
- 206010037660 Pyrexia Diseases 0.000 description 1
- 206010047700 Vomiting Diseases 0.000 description 1
- 210000001124 body fluid Anatomy 0.000 description 1
- 239000010839 body fluid Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 235000009508 confectionery Nutrition 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 206010012601 diabetes mellitus Diseases 0.000 description 1
- 235000013325 dietary fiber Nutrition 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 235000020776 essential amino acid Nutrition 0.000 description 1
- 239000003797 essential amino acid Substances 0.000 description 1
- 230000004438 eyesight Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- GOMNOOKGLZYEJT-UHFFFAOYSA-N isoflavone Chemical compound C=1OC2=CC=CC=C2C(=O)C=1C1=CC=CC=C1 GOMNOOKGLZYEJT-UHFFFAOYSA-N 0.000 description 1
- CJWQYWQDLBZGPD-UHFFFAOYSA-N isoflavone Natural products C1=C(OC)C(OC)=CC(OC)=C1C1=COC2=C(C=CC(C)(C)O3)C3=C(OC)C=C2C1=O CJWQYWQDLBZGPD-UHFFFAOYSA-N 0.000 description 1
- 235000008696 isoflavones Nutrition 0.000 description 1
- 210000003734 kidney Anatomy 0.000 description 1
- 239000002398 materia medica Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005374 membrane filtration Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 210000005036 nerve Anatomy 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
- 230000000050 nutritive effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 210000000952 spleen Anatomy 0.000 description 1
- 210000002784 stomach Anatomy 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000035922 thirst Effects 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 239000011573 trace mineral Substances 0.000 description 1
- 235000013619 trace mineral Nutrition 0.000 description 1
- 230000008673 vomiting Effects 0.000 description 1
Classifications
-
- 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
-
- 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
- A23L5/00—Preparation or treatment of foods or foodstuffs, in general; Food or foodstuffs obtained thereby; Materials therefor
- A23L5/10—General methods of cooking foods, e.g. by roasting or frying
-
- 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
- A23L5/00—Preparation or treatment of foods or foodstuffs, in general; Food or foodstuffs obtained thereby; Materials therefor
- A23L5/20—Removal of unwanted matter, e.g. deodorisation or detoxification
-
- 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
- A23L5/00—Preparation or treatment of foods or foodstuffs, in general; Food or foodstuffs obtained thereby; Materials therefor
- A23L5/20—Removal of unwanted matter, e.g. deodorisation or detoxification
- A23L5/25—Removal of unwanted matter, e.g. deodorisation or detoxification using enzymes
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23V—INDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
- A23V2002/00—Food compositions, function of food ingredients or processes for food or foodstuffs
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- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Nutrition Science (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Polymers & Plastics (AREA)
- Microbiology (AREA)
- Preparation Of Fruits And Vegetables (AREA)
- Coloring Foods And Improving Nutritive Qualities (AREA)
Abstract
The invention provides a preparation method of spray-dried kudzu root instant powder, belonging to the field of deep processing of agricultural and sideline products. The method comprises the steps of heating cleaned fresh radix puerariae, crushing and pulping, heating the obtained radix puerariae raw pulp for carrying out primary enzymolysis, then juicing for carrying out secondary enzymolysis, clarifying, then carrying out ultrafiltration to obtain radix puerariae clear juice, compounding, and then carrying out spray drying to obtain the finished radix puerariae instant powder. The invention takes fresh kudzuvine root which is a homologous plant of medicine and food as a raw material, adopts a biological enzyme technology to decompose macromolecular substances, adopts an ultrafiltration technology to clarify and filter, adopts a spray drying technology to dry and prepare powder, and the process method is an innovative upgrade of the traditional kudzuvine root instant powder processing technology at present. The kudzu root instant powder prepared by the invention can be quickly dissolved after being added with water, so that the kudzu root instant powder can be directly drunk, has fresh and cool taste, and comprehensively retains the nutrient components in the kudzu root.
Description
Technical Field
The invention relates to the technical field of food health products, and simultaneously relates to a deep processing technology of agricultural and sideline products, in particular to a preparation method of spray-dried kudzu root instant powder.
Background
The kudzu root is the root tuber of Pueraria lobata or Pueraria thomsonii of Pueraria of Leguminosae, and is listed in the 'homology of medicine and food' directory by Weijian Commission of China, and the element has the reputation of 'Nange Beishen'. The compendium of materia Medica records: ' Kudzuvine, sweet in nature, pungent, mild and nontoxic, is mainly used for treating: diabetes, fever, vomiting, various maladies, yin qi generation and toxicity elimination. Modern research shows that: the kudzuvine root contains rich starch, dietary fiber, essential amino acid, trace elements and the like, and has extremely high nutritional value; and is rich in isoflavone substances, has the functions of clearing away heat and toxic materials, promoting the production of body fluid to quench thirst, tonifying kidney and strengthening spleen, benefiting stomach and soothing nerves, nourishing and beautifying, delaying senility, clearing away the heart-fire and improving eyesight, sobering up and the like, and has great development prospect.
At present, the kudzuvine root is mainly used for processing kudzuvine root starch, kudzuvine root juice beverage and other related products, the kudzuvine root starch needs to be dispersed by warm water and then is mixed into paste by hot water for eating, and the eating is not very convenient. The kudzu root juice beverage is convenient to eat but not very convenient to transport and carry. Under the circumstances, if the kudzuvine root can be prepared into instant powder, the problems are expected to be overcome, however, the production process does not influence the nutritional value and the taste of the product, and the technical problem to be solved in the field is solved.
Disclosure of Invention
The invention aims to overcome the technical defects in the prior art, and provides a preparation method of spray-dried kudzu root instant powder, which aims to solve the technical problem that conventional kudzu root starch is not easy to be mixed and eaten in the prior art.
The invention also aims to solve the technical problem of how to prepare the kudzuvine root instant powder on the premise of not influencing the nutritive value and the taste of the product.
In order to achieve the technical purpose, the invention adopts the following technical scheme:
a preparation method of spray-dried kudzu root instant powder comprises the following steps:
1) crushing and pulping clean fresh radix Puerariae (obtained by cleaning and sorting) to obtain radix Puerariae raw pulp, and adding a certain amount of water during pulping;
2) heating the kudzu root raw pulp obtained in the step 1) to 90-100 ℃, adding 0.05-0.15% of complex enzyme preparation for treating for 0.5-2.0 hours, and then juicing;
3) cooling the juice squeezed in the step 2) to 50-60 ℃, adjusting the pH value of the juice to 5.0-6.0 by using citric acid, and then adding 0.05-0.15% of a complex enzyme preparation for clarification treatment for 0.5-2.0 hours;
4) filtering the product obtained in the step 3) by using a filter membrane to obtain radix puerariae clear juice, heating to 90-95 ℃, standing for 15-30 minutes, and then cooling to 40-60 ℃;
5) adding white granulated sugar, isomaltose hypgather, maltodextrin or vitamin C into the product obtained in the step 4) for compounding, so that the soluble solid content reaches 10-40 Brix;
6) spray drying the product obtained in the step 5) to obtain the kudzu root instant powder;
wherein the complex enzyme preparation is selected from one or more of the following components: high temperature amylase, cellulase, glucoamylase, pectinase and protease.
Preferably, in the step 1), the weight ratio of the fresh radix puerariae to the water is 1: 0.5-1: 3, and the temperature of the water is 90-100 ℃.
Preferably, in step 2), the squeezing is performed using a juicer manufactured by the BUCHER company of buch, switzerland.
Preferably, the filter membrane in the step 4) is a ceramic membrane or an organic membrane, and the aperture of the filter membrane is 50-200 nm.
Preferably, the spray drying in step 6) is implemented by using a spray dryer, and the operating parameters are as follows: the inlet temperature is 120-160 ℃, the outlet temperature is 50-80 ℃, and the feeding speed of the peristaltic pump is 30-40 rpm.
Preferably, the product obtained in the step 6) has the water content of 8-14%.
Preferably, the product obtained in step 6) is hermetically packaged by a powder packaging machine at a size of 20 g/bag.
The invention provides a preparation method of spray-dried kudzu root instant powder. The method comprises the steps of heating cleaned fresh radix puerariae, crushing and pulping, heating the obtained radix puerariae raw pulp for carrying out primary enzymolysis, then juicing for carrying out secondary enzymolysis, clarifying, then carrying out ultrafiltration to obtain radix puerariae clear juice, compounding, and then carrying out spray drying to obtain the finished radix puerariae instant powder. The invention takes fresh kudzuvine root which is a homologous plant of medicine and food as a raw material, adopts a biological enzyme technology to decompose macromolecular substances, adopts an ultrafiltration technology to clarify and filter, adopts a spray drying technology to dry and prepare powder, and the process method is an innovative upgrade of the traditional kudzuvine root instant powder processing technology at present. The kudzu root instant powder prepared by the invention can be quickly dissolved after being added with water, so that the kudzu root instant powder can be directly drunk, has fresh and cool taste, and comprehensively retains the nutrient components in the kudzu root.
The invention processes fresh kudzuvine root into kudzuvine root instant powder which is convenient to carry, transport and eat, is different from the conventional instant kudzuvine root powder in the current market, and the kudzuvine root instant powder prepared by the invention can be quickly dissolved after being added with water, can be drunk, is convenient and fast to eat and has rich nutrition.
Detailed Description
Hereinafter, specific embodiments of the present invention will be described in detail. Well-known structures or functions may not be described in detail in the following embodiments in order to avoid unnecessarily obscuring the details. Approximating language, as used herein in the following examples, may be applied to identify quantitative representations that could permissibly vary in number without resulting in a change in the basic function. Unless defined otherwise, technical and scientific terms used in the following examples have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
Example 1
The preparation method of the kudzu root instant powder by adopting a spray drying technology comprises the following specific steps:
10 kg of fresh radix puerariae is taken and thoroughly cleaned by water, the unusable part is removed, and the radix puerariae is cut into pieces and made into raw radix puerariae pulp by a multifunctional pulping machine. 5 kilograms of process water with the temperature of 95 ℃ is added for facilitating pulping.
Then heating the kudzu root primary pulp to 100 ℃, and adding 0.09% high-temperature amylase for treatment for 1.0 hour. The processed radix Puerariae pulp is squeezed by a juicer. Cooling the separated juice to 55 deg.C, adding citric acid to adjust pH to 5.6, adding 0.1% saccharifying enzyme, 0.08% pectase, and 0.06% protease, and clarifying for 1.5 hr. Filtering the clarified liquid with ultrafiltration membrane to obtain radix Puerariae juice, heating to 95 deg.C, standing for 30 min, and cooling to 55 deg.C. White granulated sugar, isomaltose hypgather, maltodextrin and vitamin C are added into the kudzu clear juice to ensure that the soluble solid reaches 35.0 Brix. And (3) spray-drying the compounded juice by using a spray dryer, wherein the inlet temperature of the spray-drying is 160 ℃, the outlet temperature of the spray-drying is 80 ℃, and the feeding speed of a peristaltic pump is 40 rpm. The dried kudzu root instant powder has the water content of 8.0 percent and is packaged into 20 grams per bag by a special packaging machine.
Example 2
A spray-dried radix Puerariae instant powder is prepared by the following steps:
(1) cleaning and sorting fresh radix Puerariae, crushing and pulping to obtain radix Puerariae raw pulp. The temperature of the uniform addition in the pulping process is 90-100 ℃; water in an amount of 0.5 to 3 times the weight of the fresh kudzu;
(2) heating the kudzuvine root primary pulp to 90-100 ℃, and adding 0.05-0.15% of complex enzyme preparation for treatment for 0.5-2.0 hours. Juicing the treated radix Puerariae pulp by using a Buch juicer;
(3) cooling the separated juice to 50-60 ℃, adjusting the pH value to 5-6 by using citric acid, and adding 0.05-0.15% of complex enzyme preparation for clarification treatment for 0.5-2.0 hours;
(4) filtering the clarified juice by a membrane to obtain a kudzu root clear juice, heating the kudzu root clear juice to 90-95 ℃, standing for 15-30 minutes, and cooling to 40-60 ℃;
(5) white granulated sugar, isomaltose hypgather, maltodextrin and vitamin C are added into the clear kudzuvine root juice for compounding, so that the soluble solid reaches 10 Brix-40 Brix;
(6) and (4) carrying out spray drying on the compounded feed liquid by using a spray dryer, and then sealing and packaging. The inlet temperature of spray drying is 120-160 ℃, the outlet temperature is 50-80 ℃, and the feeding speed of a peristaltic pump is 30-40 rpm;
the complex enzyme preparation in the step (2) and the step (3) is one or a mixture of more of high-temperature amylase, cellulase, glucoamylase, pectinase and protease;
the filtering membrane for membrane filtration in the step (4) is a ceramic membrane or an organic membrane, and the membrane aperture is 50 nm-200 nm;
and (6) subpackaging the finished product with a powder packaging machine, wherein the specification of the finished product is 20 g/bag, and the water content of the finished product is 8-14%.
The embodiments of the present invention have been described in detail, but the description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention. Any modification, equivalent replacement, and improvement made within the scope of the application of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A preparation method of spray-dried kudzu root instant powder is characterized by comprising the following steps:
1) crushing and pulping clean fresh radix Puerariae to obtain radix Puerariae raw pulp, and adding a certain amount of water during pulping;
2) heating the kudzu root raw pulp obtained in the step 1) to 90-100 ℃, adding 0.05-0.15% of complex enzyme preparation for treating for 0.5-2.0 hours, and then juicing;
3) cooling the juice squeezed in the step 2) to 50-60 ℃, adjusting the pH value of the juice to 5.0-6.0 by using citric acid, and then adding 0.05-0.15% of a complex enzyme preparation for clarification treatment for 0.5-2.0 hours;
4) filtering the product obtained in the step 3) by using a filter membrane to obtain radix puerariae clear juice, heating to 90-95 ℃, standing for 15-30 minutes, and then cooling to 40-60 ℃;
5) adding white granulated sugar, isomaltose hypgather, maltodextrin or vitamin C into the product obtained in the step 4) for compounding, so that the soluble solid content reaches 10-40 Brix;
6) spray drying the product obtained in the step 5) to obtain the kudzu root instant powder;
wherein the complex enzyme preparation is selected from one or more of the following components: high temperature amylase, cellulase, glucoamylase, pectinase and protease.
2. The preparation method of the spray-dried radix puerariae instant powder according to claim 1, wherein in the step 1), the weight ratio of the fresh radix puerariae to water is 1: 0.5-1: 3, and the temperature of the water is 90-100 ℃.
3. The method of claim 1, wherein the juice extraction in step 2) is performed by using a juice extractor available from Buchner of Switzerland.
4. The preparation method of the spray-dried radix puerariae instant powder according to claim 1, wherein the filter membrane in the step 4) is a ceramic membrane or an organic membrane, and the aperture of the filter membrane is 50-200 nm.
5. The preparation method of the spray-dried kudzu root instant powder according to claim 1, wherein the spray-drying in step 6) is realized by using a spray-drying machine, and the working parameters are as follows: the inlet temperature is 120-160 ℃, the outlet temperature is 50-80 ℃, and the feeding speed of the peristaltic pump is 30-40 rpm.
6. The method for preparing the spray-dried kudzu root instant powder according to claim 1, wherein the water content of the product obtained in step 6) is 8-14%.
7. The method for preparing a spray-dried instant pueraria powder according to claim 1, wherein the product obtained in step 6) is hermetically packaged in a powder packaging machine at a size of 20 g/bag.
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| CN103859542A (en) * | 2014-03-24 | 2014-06-18 | 江西观山月葛业开发有限公司 | Industrialized concentrated kudzu root juice and preparation method thereof |
| CN106261335A (en) * | 2016-08-26 | 2017-01-04 | 江西观山月葛业开发有限公司 | A kind of industrialization Radix Puerariae natural juice and preparation method thereof |
| CN110833161A (en) * | 2019-11-28 | 2020-02-25 | 张家界湘阿妹食品有限公司 | Instant kudzu root powder and preparation process thereof |
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- 2020-07-10 CN CN202010660540.8A patent/CN111758935A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103859542A (en) * | 2014-03-24 | 2014-06-18 | 江西观山月葛业开发有限公司 | Industrialized concentrated kudzu root juice and preparation method thereof |
| CN106261335A (en) * | 2016-08-26 | 2017-01-04 | 江西观山月葛业开发有限公司 | A kind of industrialization Radix Puerariae natural juice and preparation method thereof |
| CN110833161A (en) * | 2019-11-28 | 2020-02-25 | 张家界湘阿妹食品有限公司 | Instant kudzu root powder and preparation process thereof |
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