CN115997872A - Continuous production method of concentrated solution of herbal material extract without precipitate - Google Patents
Continuous production method of concentrated solution of herbal material extract without precipitate Download PDFInfo
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Abstract
The invention relates to the technical field of herbal material extraction, in particular to a continuous production method of a precipitate-free herbal material extraction concentrated solution. The preparation method comprises the following steps: leaching the herbal raw materials twice by adopting constant-temperature hot water, and carrying out solid-liquid separation to obtain an extracting solution; cooling the extracting solution, centrifuging, and concentrating by a reverse osmosis membrane assembly to obtain concentrated solution; standing the concentrated solution for 2-5 h, and discharging 4-8% of bottom solution of the concentrated solution to obtain upper concentrated solution; sterilizing the upper concentrated solution, and filling to obtain concentrated solution of herbal material extract. The production time is shortened through adjustment and matching of technological parameters such as extraction, standing and the like, on one hand, components which are easy to generate precipitation are discharged through a physical method, and on the other hand, turbidity and precipitation caused by microorganisms are reduced through shortening the production time, so that the clarification and stability of the herbal raw material concentrated solution are realized, and the quality stability of the herbal raw material concentrated solution is ensured.
Description
Technical Field
The invention relates to the technical field of herbal material extraction, in particular to a continuous production method of a precipitate-free herbal material extraction concentrated solution.
Background
The herbal extract beverage contains various active ingredients, has special flavor, has a certain conditioning effect on the body, and is favored by many consumers. The beverage is prepared by extracting and concentrating the herbal materials to obtain concentrated solution, blending, sterilizing and filling. Because the herbal raw material extracts have complex components and contain various substances such as flavonoid, saponin, polysaccharide, volatile oil, terpenes, pectin, starch, protein, lipid, mashed substances and the like, the finished beverage product is easy to precipitate in shelf life.
At present, the extraction method for the herbal materials mainly comprises the following steps: 1) Extracting the raw materials of the Chinese herbal medicines with water, precipitating with ethanol, and concentrating in vacuum; the method can well remove most of pectin, starch, protein, lipid and other macromolecular substances in the herbal raw materials, but can cause a great deal of flavor substance loss, and the ethanol precipitation process uses a great deal of ethanol, so that the safety problem is easy to generate, and the production and processing sites are greatly limited. 2) The method adopts the processes of water extraction, filtration, concentration and sterilization of the herbal materials, and the method can furthest retain flavor substances, but the concentrated solution still can generate precipitation.
Disclosure of Invention
Based on the above, it is necessary to provide a continuous production method of a concentrated extract of a herbal material without precipitate, which ensures the clarity of the concentrate on the basis of ensuring the flavor.
The invention provides a continuous production method of a concentrated solution extracted from a herbal raw material without precipitate, which comprises the following steps:
s1: leaching the herbal raw materials twice by adopting constant-temperature hot water, and carrying out solid-liquid separation to obtain an extracting solution;
s2: cooling the extracting solution, centrifuging, and concentrating by a reverse osmosis membrane assembly to obtain concentrated solution;
s3: standing the concentrated solution for 2-5 h, and discharging a bottom solution with the total volume of 4-8% of the concentrated solution to obtain an upper concentrated solution;
s4: sterilizing the upper concentrated solution, and filling to obtain concentrated solution of herbal material extract.
In one embodiment, the twice leaching process using the constant temperature hot water in the step S1 includes:
the twice leaching process carried out by adopting constant-temperature hot water in the step S1 comprises the following steps:
the first leaching process parameters are as follows: the leaching water adding amount is 12-16 times of the mass of the herbal raw materials; the leaching temperature is 89-93 ℃ and the leaching time is 45-75 minutes;
the second leaching process parameters are as follows: the leaching water adding amount is 10-14 times of the mass of the herbal raw materials; the leaching temperature is higher than 90 ℃ and the leaching time is 5-20 minutes.
In one embodiment, the solid-liquid separation process in step S1 employs bag filter classification filtration.
In one embodiment, the temperature of the extract after cooling in the step S2 is 20 to 30 ℃.
In one embodiment, the centrifugation process in the step S2 adopts a butterfly separation device, and the centrifugation speed is 5000-10000r/min.
In one embodiment, the concentrate obtained in step S2 has a soluble solids content of 10 to 25%.
In one embodiment, the step S2 further includes:
and flushing and recycling the concentrated solution remained in the reverse osmosis membrane assembly to obtain the residual material, and mixing the residual material with the extracting solution after sterilizing the residual material.
In one embodiment, the bottom solution in step S3 is mixed with the extraction solution.
In one embodiment, the process parameters of the sterilization process in the step S4 are as follows: sterilizing at 130-140 deg.c for 30-40 sec.
In one embodiment, the filling process in the step S4 is aseptic filling, the aseptic cavity temperature of the filling head is more than or equal to 96 ℃, and the filling temperature is less than or equal to 45 ℃.
Compared with the prior art, the invention has the following beneficial effects:
the invention is based on the reason of precipitation, the herbal raw materials are subjected to water extraction and solid-liquid separation twice, are centrifuged, are concentrated by adopting a reverse osmosis membrane component, are subjected to standing for a period of time, are discharged into 4-8% bottom solution, and are subjected to sterilization and aseptic packaging. The production time is shortened through adjustment and matching of technological parameters such as extraction, standing and the like, on one hand, components which are easy to generate precipitation are discharged through a physical method, and on the other hand, turbidity and precipitation caused by microorganisms are reduced through shortening the production time, so that the clarification and stability of the herbal raw material concentrated solution are realized, and the quality stability of the herbal raw material concentrated solution is ensured.
Drawings
FIG. 1 is a process flow diagram of a continuous production method of a concentrated solution of herbal material extract without precipitate, which is provided by the embodiment of the invention;
FIG. 2 is a graph showing the effect of stationary separation process parameters on concentrate precipitation; a) A plot of sediment occupancy versus standing time; b) Is a plot of sediment duty-discharge duty.
Detailed Description
In order that the above objects, features and advantages of the invention will be readily understood, a more particular description of the invention will be rendered by reference to the appended drawings. The present invention may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise. In the description of the present invention, the meaning of "several" means at least one, such as one, two, etc., unless specifically defined otherwise.
The words "preferably," "more preferably," and the like in the present invention refer to embodiments of the invention that may provide certain benefits in some instances. However, other embodiments may be preferred under the same or other circumstances. Furthermore, the recitation of one or more preferred embodiments does not imply that other embodiments are not useful, nor is it intended to exclude other embodiments from the scope of the invention.
When a range of values is disclosed herein, the range is considered to be continuous and includes both the minimum and maximum values for the range, as well as each value between such minimum and maximum values. Further, when a range refers to an integer, each integer between the minimum and maximum values of the range is included. Further, when multiple range description features or characteristics are provided, the ranges may be combined. In other words, unless otherwise indicated, all ranges disclosed herein are to be understood to include any and all subranges subsumed therein.
All percentages, fractions and ratios are calculated on the total mass of the composition of the invention, unless otherwise indicated. All of the mass of the ingredients listed, unless otherwise indicated, are given to the active substance content and therefore they do not include solvents or by-products that may be included in commercially available materials. The term "mass percent" herein may be represented by the symbol "%". All molecular weights herein are weight average molecular weights expressed in daltons, unless indicated otherwise. All formulations and tests herein take place in an environment of 25 ℃, unless otherwise indicated. The terms "comprising," "including," "containing," "having," or other variations thereof herein are intended to cover a non-closed inclusion, without distinguishing between them. The term "comprising" means that other steps and ingredients may be added that do not affect the end result. The compositions and methods/processes of the present invention comprise, consist of, and consist essentially of the essential elements and limitations described herein, as well as additional or optional ingredients, components, steps, or limitations of any of the embodiments described herein. The terms "efficacy," "performance," "effect," "efficacy" are not differentiated herein.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
After the herbal raw material extract is concentrated at low temperature, macromolecular substances are removed without alcohol precipitation and other processes, and precipitation is easy to separate out in the process of placing the concentrate, so that the concentrate is subjected to analysis before technological research. After the herbal concentrate is placed for 2-3 hours, obvious layering phenomenon can occur, the lower layer precipitation is analyzed, the lower layer precipitation is an inherent component in the herbal plant, the inherent component cannot be removed in a butterfly separation process, and white precipitation can occur in the concentrate. After the concentrated solution is centrifuged, the mud at the bottom accounts for 1.52 to 6.11 percent of the total weight, and the supernatant liquid does not have white sediment.
Based on the above study, the embodiment of the invention provides a continuous production method of a concentrated solution of herbal raw material extraction without precipitate, which comprises the following steps:
s1: leaching the herbal raw materials twice by adopting constant-temperature hot water, and carrying out solid-liquid separation to obtain an extracting solution;
s2: cooling the extracting solution, centrifuging, and concentrating by a reverse osmosis membrane assembly to obtain concentrated solution;
s3: standing the concentrated solution for 2-5 h, and discharging a bottom solution with the total volume of 4-8% of the concentrated solution to obtain an upper concentrated solution;
s4: sterilizing the upper concentrated solution, and filling to obtain concentrated solution of herbal material extract.
Wherein the standing time of the concentrated solution is preferably 2-3 h.
In one embodiment, the twice leaching process using the constant temperature hot water in the step S1 includes:
the first leaching process parameters are as follows: the leaching water adding amount is 12-16 times of the mass of the herbal raw materials; the leaching temperature is 89-93 ℃ and the leaching time is 45-75 minutes;
the second leaching process parameters are as follows: the leaching water adding amount is 10-14 times of the mass of the herbal raw materials; the leaching temperature is higher than 90 ℃ and the leaching time is 5-20 minutes.
In one embodiment, the solid-liquid separation process in step S1 employs bag filter classification filtration. Further, the extraction liquid obtained by the first leaching is subjected to graded filtration by adopting bag filters with different specifications, and the extraction liquid is subjected to graded filtration by adopting bag filters with 80-160-300 meshes and is put in a hot extraction liquid storage tank for temporary storage. The extract obtained from the second leaching is graded and filtered by a bag filter with 80-160 meshes, and is put in a hot extract storage tank for temporary storage.
In one embodiment, the temperature of the extract after cooling in the step S2 is 20 to 30 ℃. The further cooling temperature is 20-25 ℃.
In one embodiment, the centrifugation process in the step S2 adopts a butterfly separation device, and the centrifugation speed is 5000-10000r/min. Further, the centrifugal rate was selected to be 7000r/min, and the flow rate was controlled to be 5 tons/h. Filtering the centrifuged extract by a secondary cloth bag with the diameter of 1-10 mu m, and detecting the turbidity of the extract.
In one embodiment, the concentrate obtained in step S2 has a soluble solids content of 10 to 25%. The soluble solids content is preferably 14.5 to 15.5%.
In one embodiment, the step S2 further includes:
and flushing and recovering the concentrated solution remained in the reverse osmosis membrane assembly to obtain the residual material, and sterilizing the residual material and returning the residual material to the extracting solution. The obtained residual materials are immediately sterilized and returned to the preparation process flow for the recovery of the concentrated extraction liquid, so that turbidity and precipitation caused by microorganisms are reduced.
In one embodiment, the bottom solution in step S3 is mixed with the extract and recycled to the preparation process of the herbal material extract concentrate.
In one embodiment, the process parameters of the sterilization process in the step S4 are as follows: sterilizing at 130-140 deg.c for 30-40 sec.
In one embodiment, the filling process in the step S4 is aseptic filling, the aseptic cavity temperature of the filling head is more than or equal to 96 ℃, and the filling temperature is less than or equal to 45 ℃.
As shown in fig. 1, a process flow chart of a continuous production method of a concentrated solution of herbal raw material extraction without sediment is provided, and the specific process is as follows: the preparation method comprises the steps of carrying out pretreatment such as impurity removal, crushing, drying and the like on all the herbal raw materials, carrying out batching according to a specific formula, placing all the raw materials in a leaching tank, adding hot water, leaching at a leaching temperature, carrying out leaching twice, filtering to obtain an extracting solution, cooling the extracting solution, carrying out butterfly separation and cloth bag filtering, carrying out membrane concentration to obtain a concentrated solution, standing the concentrated solution for a period of time, discharging a part of bottom solution, mixing with the extracting solution, carrying out next treatment, carrying out UHT sterilization on an upper concentrated solution, carrying out filling, packaging and warehousing to obtain the herbal raw material extracting concentrated solution. The equipment after the membrane concentration in the process is washed to obtain the membrane residue and is mixed with the extracting solution for further treatment, the equipment after UHT sterilization is washed to obtain the UHT residue, and the UHT residue is returned to the cooled extracting solution for further treatment, so that the recycling and continuous production of the raw materials are realized.
The turbidity of the concentrated solution extracted from the herbal raw materials is kept below 10%, and the yield is 18% -20%, so that the extraction yield of the herbal raw materials and the turbidity of the concentrated solution are balanced, and the precipitation is not easy to generate; the effective period can reach 12 months, the flavor of the concentrated solution changes slightly, and the precipitation amount in the placing process is greatly reduced; when the herbal concentrated solution is prepared into a finished product, the centrifugal operation before the use of the herbal concentrated solution is not needed, so that the working efficiency is greatly improved, the production time is shortened, and meanwhile, the selection of a product preparing and filling processing plant is less limited and more selections can be provided. Compared with the traditional water extraction, alcohol precipitation and vacuum concentration processing technology, the yield is obviously improved, the production period is shortened, and the effect comparison is shown in table 1.
TABLE 1 effect comparison data of the inventive preparation process and the conventional process
The following is a further description of specific examples.
Example 1
S1: the standardized herbal materials of chrysanthemum, mesona chinensis, honeysuckle, grosvenor momordica fruit, plumeria rubra, selfheal, leaves with residues, liquorice and mulberry leaves are matched according to a proportion, and are placed in a fully-closed tank body, water with the temperature of more than 90 ℃ is added, the water adding quantity is 14 times of the feeding quantity, and the leaching temperature is kept between 89 ℃ and 93 ℃ for 60 minutes. Filtering the extractive solution with 80-160-300 mesh bag filter, storing in hot extractive solution tank, adding water at 90deg.C or higher into the residue with water amount 12 times, circularly extracting for 5 min, filtering the secondary extractive solution with 80-160 mesh bag filter, and storing in secondary extractive solution tank.
S2: the extract is cooled to 20-25 ℃ by a plate heat exchanger, and is centrifuged by a butterfly centrifuge, the centrifugal speed is 7000r/min, and the flow is controlled to be 5 tons/h. Filtering the centrifuged extract with a secondary cloth bag with the diameter of 10-1 μm; the method comprises the steps of centrifuging the extracting solution of the herbal raw materials continuously extracted in a multi-batch tank group manner, separating the extracting solution by a reverse osmosis membrane assembly, concentrating the extracting solution in the membrane assembly, and outputting the concentrated solution in the membrane assembly to a temporary storage tank with the capacity of 10 tons when the soluble solid content reaches 14.5% -15.5%. Flushing the reverse osmosis component to obtain the residue, and directly mixing the residue with hot extracting solution for sterilization to reduce turbidity and precipitation caused by microorganism propagation.
S3: after the concentrated solution of the temporary storage tank is kept stand for 2 hours, 400-500L of feed liquid is discharged from the bottom of each tank, and the discharged feed liquid is returned to be mixed with the extracting solution, cooled, centrifuged and concentrated again. The upper concentrated solution enters the next working procedure.
S4: sterilizing the upper concentrated solution at 138+/-2 ℃ for 36 seconds, mixing UHT residual materials with the cooled extracting solution, returning to a process route, and aseptically filling with an aseptic bag, wherein the aseptic cavity temperature of a filling head is more than or equal to 96 ℃ and the filling temperature is less than or equal to 45 ℃.
Performing experiments for 8 times in parallel, and performing turbidity test and yield calculation on the obtained concentrated solution of herbal raw material extraction, wherein the turbidity test method comprises the following steps: 0.52g of concentrated solution (calculated as dry paste) is taken, water is added to dissolve the concentrated solution to 250ml, and the calculated formula of the yield is determined by a turbidity meter:
yield% = (weight of concentrate per batch × soluble solids/dose per batch) × 100%
Turbidity and yield data for the parallel experimental groups in example 1 are shown in table 2:
TABLE 2 turbidity and yield data of herbal extract concentrate obtained in example 1
| Concentrated solution serial number | Turbidity (NTU) | Yield (%) |
| 1 | 6.5 | 19.70 |
| 2 | 7.2 | 19.90 |
| 3 | 7.5 | 20.16 |
| 4 | 6.9 | 19.57 |
| 5 | 7.0 | 19.78 |
| 6 | 6.6 | 19.51 |
Examples 2 to 10
The herbal raw material extract concentrate was extracted using the herbal raw material formulation of example 1 as a raw material in accordance with the feed liquid ratio, extraction temperature, butterfly separation flow rate and cooling temperature of the first extraction described in table 3, and the other procedures were the same as in example 1.
TABLE 3 examples 2-10 Process conditions
| Factors of | Ratio of feed to water | Extraction temperature (. Degree. C.) | Cooling temperature (DEG C) | Centrifugal flow (T/h) |
| Example 2 | 12 | 89 | 20 | 4 |
| Example 3 | 12 | 91 | 25 | 5 |
| Example 4 | 12 | 93 | 30 | 6 |
| Example 5 | 14 | 89 | 25 | 6 |
| Example 6 | 14 | 91 | 30 | 4 |
| Example 7 | 14 | 93 | 20 | 5 |
| Example 8 | 16 | 89 | 30 | 5 |
| Example 9 | 16 | 91 | 20 | 6 |
| Example 10 | 16 | 93 | 25 | 4 |
The yield and turbidity of the obtained herbal material extraction concentrate were examined to obtain the results shown in table 4 below, and the influence of the above conditions on the yield and turbidity was analyzed using the ratio of the yield to the turbidity as an index for investigation.
TABLE 4 Experimental results for examples 2-10
| Factors of | Yield (%) | Turbidity (NTU) | Ratio of |
| Example 2 | 17.62 | 7.4 | 2.38 |
| Example 3 | 20.14 | 3.7 | 5.44 |
| Example 4 | 20.42 | 7.6 | 2.69 |
| Example 5 | 17.38 | 7.8 | 2.23 |
| Example 6 | 20.52 | 5.3 | 3.87 |
| Example 7 | 21.2 | 6.5 | 3.26 |
| Example 8 | 19.22 | 6.9 | 2.79 |
| Example 9 | 22.02 | 3.9 | 5.65 |
| Example 10 | 20.85 | 6.3 | 3.31 |
Examples 2-10 were four-factor three-level orthogonal experiments designed according to an orthogonal table, using the ratio of yield to turbidity as an index of investigation (see table 5). According to visual analysis, the influence order of each factor is B > A > C > D, namely the optimal combination is that the extraction temperature is 91 ℃, 14 times of water is added, the extraction solution is cooled to 20 ℃, and the flow rate of a centrifuge is 5T/h.
TABLE 5 results of orthogonal experiments
In combination with the analysis of variance result (see Table 6), the extraction temperature of the factor B has significant influence (P is less than 0.05), the factor A, C, D has no significant influence, the optimal process is 91 ℃ in combination with the actual production requirement, water of 14 times is added, the extraction liquid is cooled to below 25 ℃ and the flow of the centrifuge is 5T/h. The research determines the optimal technological parameters of extraction, and extracts the flavor substances to the greatest extent on the premise of ensuring the quality.
TABLE 6 analysis of variance results
According to the experimental results, it can be known that the feed-water ratio, the extraction temperature, the cooling temperature and the centrifuge flow have a certain influence on the yield and turbidity of the extracted concentrated solution, wherein the extraction temperature has a significant influence on the quality of the extracted solution, and the optimal process is 91 ℃ in combination with the actual requirements of production, water with the concentration of 14 times is added, the extracted solution is cooled to the temperature below 25 ℃, and the centrifuge flow is 5T/h.
Comparative example 1
S1: the standardized herbal materials of chrysanthemum, mesona chinensis, honeysuckle, grosvenor momordica fruit, plumeria rubra, selfheal, leaves with residues, liquorice and mulberry leaves are matched according to a proportion, and are placed in a fully-closed tank body, water with the temperature of more than 90 ℃ is added, the water adding quantity is 14 times of the feeding quantity, and the leaching temperature is kept between 89 ℃ and 93 ℃ for 60 minutes. Filtering the extractive solution with 80-160-300 mesh bag filter, storing in hot extractive solution tank, adding water at 90deg.C or higher into the residue with water amount 12 times, circularly extracting for 5 min, filtering the secondary extractive solution with 80-160 mesh bag filter, and storing in secondary extractive solution tank.
S2: the extract is cooled to 20-25 ℃ by a plate heat exchanger, and is centrifuged by a butterfly centrifuge, the centrifugal speed is 7000r/min, and the flow is controlled to be 5 tons/h. Filtering the centrifuged extract with a secondary cloth bag with the diameter of 10-1 μm; the extraction solution of the herbal raw materials extracted continuously in the multi-batch tank group is separated by a reverse osmosis membrane assembly after being centrifugated, the extraction solution in the membrane assembly is concentrated after being separated by a multi-stage continuous membrane assembly, and when the soluble solid reaches 14.5% -15.5%, the concentrated solution in the membrane assembly is output to a temporary storage tank.
S3: sterilizing the upper concentrated solution at 138+/-2 ℃ for 36 seconds, and aseptically filling with an aseptic bag, wherein the aseptic cavity temperature of a filling head is more than or equal to 96 ℃ and the filling temperature is less than or equal to 45 ℃.
The turbidity and yield data of the herbal material extraction concentrate obtained by performing 6 experiments in parallel are shown in table 7:
TABLE 7 turbidity and yield data of herbal extract concentrate obtained in comparative example 1
| Concentrated solution serial number | Turbidity (NTU) | Yield (%) |
| 1 | 7.8 | 19.85 |
| 2 | 8.0 | 19.97 |
| 3 | 8.5 | 20.03 |
| 4 | 8.2 | 19.76 |
| 5 | 8.4 | 20.15 |
| 6 | 7.9 | 20.08 |
The herbal raw material extraction concentrated solution obtained in the comparative example is applied to final product preparation, and centrifugal operation is needed before the herbal raw material concentrated solution is used, so that the production efficiency is greatly influenced, and the obtained final product is easy to precipitate when the shelf life is longer.
In summary, each step in the preparation method, such as extraction, centrifugation and standing processes, have great influence on the turbidity and yield of the concentrated solution, and corresponding extraction, centrifugation and standing process parameters are finally determined through optimization experiments of technical parameters, so that the quality of the concentrated solution can be ensured, and the efficient continuous production of the concentrated solution can be ensured.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above examples illustrate only a few embodiments of the invention, which are described in detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. The scope of the invention is therefore intended to be covered by the appended claims, and the description and drawings may be interpreted in accordance with the contents of the claims.
Claims (10)
1. The continuous production method of the concentrated solution of the herbal raw material extract without precipitate is characterized by comprising the following steps:
s1: leaching the herbal raw materials twice by adopting constant-temperature hot water, and carrying out solid-liquid separation to obtain an extracting solution;
s2: cooling the extracting solution, centrifuging, and concentrating by a reverse osmosis membrane assembly to obtain concentrated solution;
s3: standing the concentrated solution for 2-5 h, and discharging a bottom solution with the total volume of 4-8% of the concentrated solution to obtain an upper concentrated solution;
s4: sterilizing the upper concentrated solution, and filling to obtain concentrated solution of herbal material extract.
2. The continuous production method of a concentrated extract of herbal materials without precipitate according to claim 1, wherein the twice leaching process with hot water at constant temperature in step S1 comprises:
the first leaching process parameters are as follows: the leaching water adding amount is 12-16 times of the mass of the herbal raw materials; the leaching temperature is 89-93 ℃ and the leaching time is 45-75 minutes;
the second leaching process parameters are as follows: the leaching water adding amount is 10-14 times of the mass of the herbal raw materials; the leaching temperature is higher than 90 ℃ and the leaching time is 5-20 minutes.
3. The continuous production method of concentrated extract liquid of herbal material without precipitate as claimed in claim 1, wherein the solid-liquid separation process in step S1 is classified filtration by using bag filter.
4. The continuous production method of a concentrated extract of herbal material free of precipitate as claimed in claim 1, wherein the temperature of the extract after cooling in step S2 is 20-30 ℃.
5. The continuous production method of concentrated extract liquid of herbal material without precipitate as claimed in claim 1, wherein the centrifugation in step S2 is performed by using a butterfly type separation device, and the centrifugation rate is 5000-10000r/min.
6. The continuous production method of a concentrated extract of a herbal material free of precipitate as claimed in claim 1, wherein the soluble solids of the concentrated extract obtained in step S2 is 10-25%.
7. The continuous production method of a concentrate for extracting herbal materials without precipitate as claimed in claim 1, wherein said step S2 further comprises:
and flushing and recycling the concentrated solution remained in the reverse osmosis membrane assembly to obtain the residual material, and mixing the residual material with the extracting solution after sterilizing the residual material.
8. The continuous production method of a precipitate-free herbal medicine raw material extraction concentrate according to claim 1, wherein the bottom solution in step S3 is mixed with the extract.
9. The continuous production method of a concentrated solution for extracting herbal materials without precipitate according to claim 1, wherein the sterilization process in step S4 has the following process parameters: sterilizing at 130-140 deg.c for 30-40 sec.
10. The continuous production method of the concentrated solution of herbal material extract without precipitate according to claim 1, wherein the filling process in the step S4 is aseptic filling, the aseptic cavity temperature of the filling head is not less than 96 ℃, and the filling temperature is not more than 45 ℃.
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| CN1318310A (en) * | 2001-05-30 | 2001-10-24 | 广东华城食品有限公司 | Concentrated tea juice with original flavor maintained and its production process |
| CN101548774A (en) * | 2009-04-10 | 2009-10-07 | 广东加多宝饮料食品有限公司 | Method for processing Chinese herbal medicine herb tea concentrated solution |
| CN102488040A (en) * | 2011-12-30 | 2012-06-13 | 宁德师范学院 | Instant radix pseudostellariae white tea and its preparation technology |
| CN102783538A (en) * | 2012-08-06 | 2012-11-21 | 福建农林大学 | Processing technology for improving esters-catechin content in hot-dissolubility instant tea |
| CN110447798A (en) * | 2019-09-03 | 2019-11-15 | 广州白云山星群(药业)股份有限公司 | A kind of plant beverage concentrate and preparation method thereof |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1318310A (en) * | 2001-05-30 | 2001-10-24 | 广东华城食品有限公司 | Concentrated tea juice with original flavor maintained and its production process |
| CN101548774A (en) * | 2009-04-10 | 2009-10-07 | 广东加多宝饮料食品有限公司 | Method for processing Chinese herbal medicine herb tea concentrated solution |
| CN102488040A (en) * | 2011-12-30 | 2012-06-13 | 宁德师范学院 | Instant radix pseudostellariae white tea and its preparation technology |
| CN102783538A (en) * | 2012-08-06 | 2012-11-21 | 福建农林大学 | Processing technology for improving esters-catechin content in hot-dissolubility instant tea |
| CN110447798A (en) * | 2019-09-03 | 2019-11-15 | 广州白云山星群(药业)股份有限公司 | A kind of plant beverage concentrate and preparation method thereof |
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