Modular preparation system for scalp plant extract compound aqueous solution

Abstract

A modular preparation system for a scalp plant extract compound aqueous solution includes: a tank-type low-temperature storage module for storing raw material liquid in a storage tank; a condition window premixing module connected to the tank-type low-temperature storage module for premixing the plant extract raw material liquid to obtain a premixed liquid; a precise proportioning module connected to the condition window premixing module for introducing the plant extract raw material liquid and / or carrier into the premixed liquid according to a predetermined formula ratio to obtain a compound solution; a dispersion mixing module connected to the precise proportioning mixing module for mixing and dispersing the compound solution to obtain a mixed dispersion; a clarification control module connected to the dispersion mixing module for reducing the content of insoluble matter, aggregates, and bubbles in the mixed dispersion to obtain the scalp plant extract compound aqueous solution; and a standardized release testing module connected to the clarification control module for testing the quality indicators of the scalp plant extract compound aqueous solution and making a release determination.

Claims

1. A modular preparation system for a scalp plant extract compound aqueous solution, comprising: a compartmentalized low-temperature storage module for storing multiple plant extract raw material liquids from different sources in temperature-controlled storage tanks; a conditional window premixing module connected to the compartmentalized low-temperature storage module for premixing at least two of the plant extract raw material liquids within a predetermined temperature range to obtain a premixed solution, and maintaining the pH value of the premixed solution within a predetermined range by a pH adjustment unit; a precise proportioning module connected to the conditional window premixing module for introducing the remaining plant extract raw material liquids and / or carriers into the premixed solution according to a predetermined formula ratio and controlling the proportioning error to obtain a compound solution; and a dispersion mixing module connected to the precise proportioning mixing module for mixing and dispersing the compound solution under low-shear or medium-low-shear conditions to obtain a mixed dispersion. A clarification control module, connected to the dispersion mixing module, reduces the content of insoluble matter, aggregates, and bubbles in the mixed dispersion through its included filtration unit, clarification unit, and defoaming unit to obtain the scalp plant extract compound aqueous solution; and a standardized release testing module, connected to the clarification control module, performs quality index testing on the scalp plant extract compound aqueous solution and makes a release determination, the release determination including: turbidity less than 50 NTU, centrifugal sedimentation rate less than 3%, and viscosity of 1 to 20 mPa·s at 25°C.

2. The modular preparation system as claimed in claim 1, wherein the storage temperature of the compartment low-temperature storage module is 2 to 10°C, and includes a stirring unit and / or a circulation reflux pipeline to reduce sedimentation or stratification of the plant extract liquid.

3. The modular preparation system as claimed in claim 1, wherein the predetermined temperature range of the condition window premixing module is 15 to 30°C, and the pH adjustment unit maintains the pH of the premixed solution at 4.5 to 6.

5.

4. The modular preparation system as described in claim 1, wherein the condition window premix module includes a dosing port and / or a dosing pump for selectively introducing antioxidants and / or chelating agents at a concentration of 10 to 200 ppm.

5. The modular preparation system as described in claim 1, wherein the proportioning error of the precision proportioning module does not exceed ±2%, and includes multiple feed ports, a metering pump and / or a flow meter.

6. The modular preparation system as described in claim 1, wherein the carrier introduced by the precise proportioning module comprises water and a polyol selected from one or a combination of butanediol, propylene glycol and glycerol, and the amount of polyol added is 1 to 30 w / w.

7. The modular preparation system as claimed in claim 1, wherein the dispersion mixing module performs mixing and dispersion at a mixing and dispersion shear rate of less than 800 s⁻¹, or the dispersion mixing module includes a stirring speed control mechanism to keep the speed between 100 and 1500 rpm.

8. The modular preparation system as claimed in claim 1, wherein the filtration unit of the clarification control module performs primary filtration of the mixed dispersion at a depth of 5 to 50 μm and / or fine filtration at a depth of 0.2 to 5 μm.

9. The modular preparation system as claimed in claim 1, wherein the degassing unit of the clarification control module performs vacuum degassing and / or inert gas replacement on the mixed dispersion, wherein the vacuum degassing pressure is -0.06 to -0.095 MPa and the processing time is 1 to 20 minutes, and the purity of the inert gas is at least 95%.

10. The modular preparation system as described in claim 1, wherein the precise proportioning module is configured to introduce the raw material liquids of Polygonum multiflorum extract, Platycladus orientalis leaf extract, Ligustrum lucidum extract and Eclipta prostrata extract, such that the amount of Polygonum multiflorum extract, Platycladus orientalis leaf extract, Ligustrum lucidum extract and Eclipta prostrata extract added to the prepared scalp plant extract compound aqueous solution is 0.01 to 2 wt% based on the finished product.

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