Modular preparation system for plant-based compound nutrient solutions

Abstract

A modular preparation system for a plant-based compound nutrient solution includes: a compartmentalized low-temperature storage module for storing functional raw material liquids at 2-8°C under inert gas protection; a low-temperature premixing module connected to the compartmentalized low-temperature storage module for initial mixing at 15-25°C; a precise proportioning module connected to the low-temperature premixing module, with a proportioning error not exceeding ±1.5%; a low-shear mixing module connected to the precise proportioning module for mixing at a shear rate <500 s⁻¹; a vacuum homogenizing module connected to the low-shear mixing module for homogenization under negative pressure and low shear rate; a mild stabilization module connected to the vacuum homogenizing module for short-term treatment at 60-75°C for 15-90 seconds; and a nitrogen-filled encapsulation module connected to the mild stabilization module for encapsulation in a nitrogen environment.

Claims

1. A modular preparation system for plant-based compound nutrient solutions, suitable for preparing plant-based compound nutrient solutions containing polyphenols, saponins, isoflavones, or other heat-sensitive active ingredients, comprising: a compartmentalized low-temperature storage module for storing functional raw material liquids from different sources at 2–8 °C, protected by an inert gas with a nitrogen or argon concentration ≥ 95%; a low-temperature premixing module connected to the compartmentalized low-temperature storage module for initial mixing at 15–25 °C and pH 4.8–6.2; a precise proportioning module connected to the low-temperature premixing module, with a proportioning error not exceeding ±1.5%; a low-shear mixing module connected to the precise proportioning module for mixing at a shear rate < 500 s⁻¹ to maintain the structure of heat-sensitive components and improve batch homogeneity; and a vacuum homogenizing module connected to the low-shear mixing module for mixing at –0.08 ~ –0.095 MPa. Homogenization under negative pressure and low shear rate <500 s⁻¹ controls the particle size to 100–300 nm and the intra-batch coefficient of variation (CV) % does not exceed 5%; a mild stabilization module, connected to the vacuum homogenization module, processes the material for 15–90 seconds at 60–75 °C; and a nitrogen-filled encapsulation module, connected to the mild stabilization module, encapsulates the material in a nitrogen atmosphere with a purity of ≥99% and a residual oxygen concentration of less than 2% within the package.

2. The modular preparation system for the plant-based compound nutrient solution as described in claim 1, wherein the compartmentalized low-temperature storage module reduces the polyphenol oxidation rate by 50–70% and retains at least 75% during 12 months of storage.

3. The modular preparation system for the plant-based compound nutrient solution as described in claim 1, wherein the precise proportioning module introduces each of the functional raw material liquids according to the formula and ensures that the liquid phase viscosity is adjusted to 2–5 mPa·s to maintain homogeneity and stability.

4. The modular preparation system for the plant-based compound nutrient solution as described in claim 1, wherein the vacuum homogenizing module performs homogenization under low shear conditions, and ensures that 90% of the particle size distribution of the plant-based compound nutrient solution falls within the range of 100–300 nm, with batch-to-batch differences not exceeding ±5%.

5. The modular preparation system for the plant-based compound nutrient solution as described in claim 1, wherein the mild stabilization module employs a combination of instantaneous heating and rapid cooling to reduce the degradation rate of heat-sensitive active ingredients by at least 30% while retaining the original sensory quality.

6. The modular preparation system for the plant-based compound nutrient solution as described in claim 1, wherein the nitrogen-filled encapsulation module enables the plant-based compound nutrient solution to have a shelf life of 12–18 months and an active ingredient retention rate of over 70%.

7. The modular preparation system for the plant-based compound nutrient solution as described in claim 1, wherein the low-temperature storage module, the low-temperature premixing module, the precise proportioning module, the low-shear mixing module, the vacuum homogenizing module, the mild stabilization module, and the nitrogen-filled encapsulation module are adjusted by adding or removing modules or changing the process sequence according to the characteristics of the plant-based compound nutrient solution, and maintaining the quality indicators of particle size uniformity ≥95% and residual oxygen ≤2%.

8. The modular preparation system for the plant-based compound nutrient solution as described in claim 1, wherein the proportions of the components of the functional raw material liquid are as follows: 400–600 mg / 100 mL of mushroom extract as a source of adenosine and polyphenols, 300–500 mg / 100 mL of fenugreek extract as a source of saponins, trigonelline, polysaccharides and dietary fiber, and 40–250 mg / 100 mL of fermented soybean polyphenol liquid as a source of isoflavones and small molecule polyphenols, and the error in the amount of each component added does not exceed ±1.5%.

9. A modular preparation system for a plant-based compound nutritional liquid as described in claim 1, wherein the plant-based compound nutritional liquid is a vegetarian chicken essence, plant-based functional beverage, post-exercise recovery beverage, or liquid food that maintains stable quality under mass production conditions and keeps heat-sensitive active ingredients stable.

10. The modular preparation system for the plant-based compound nutrient solution as described in claim 1, wherein the plant-based compound nutrient solution is prepared in a manner that improves the thermal stability of the active ingredients by ≥40%, improves the retention rate of antioxidant capacity by ≥30%, and reduces the intra-batch uniformity CV% to ≤5%.

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