Soltex Global
02SOY PROTEIN & BIOCHEMISTRY · PROCESS SPECIFICATION

Innovative Soy Protein Isolate Production: Enzymatic Hydrolysis

Micro-dose bromelain hydrolysis and flash steam deodorization for high-solubility isolate

Soy protein isolate is a high-margin product in demand for sports and baby nutrition, meat processing, and dairy alternatives. Soltex proprietary process eliminates the main drawbacks of traditional extraction: raw material loss, high reagent costs, and poor solubility.

Patent Protection
Patent RU 2709384 C1
Process Efficiency
High Yield Recovery
Feedstock Base
Defatted White Flake (PDI > 80)
Technology Status
Commercially Operational
Innovative Soy Protein Isolate Production: Enzymatic Hydrolysis
BIOPROCESS EXTRACTION CORE
Innovative Soy Protein Isolate Production: Enzymatic Hydrolysis
Patent RU 2709384 C1
01 · THERMODYNAMIC & CHEMICAL FLOW

Core Process Flowsheet Principles

STAGE 01

Aqueous Alkaline Extraction

Mild dissolution of globular proteins at pH 8.0–8.5 with high solid-to-liquid separation efficiency.

STAGE 02

Isoelectric Precipitation

Rapid separation of globulins at isoelectric point (pH 4.5), recovering clear whey side-stream.

STAGE 03

Targeted Enzymatic Cleavage

Micro-dosed bromelain breaks bitter hydrophobic bonds without over-hydrolyzing into free amino acids.

STAGE 04

Flash Steam Deodorization

Ultra-fast direct steam contact flash vaporizes hexanal and volatile beany ketones.

Proprietary Separation Reactors and Vacuum Evaporators
AISI 316L Food-Grade Process MetallurgyPatented Separation
02 · COMPARATIVE METRICS & ADVANTAGES

Engineering Advantages

6.8x increase in nitrogen solubility index (NSI > 85%) across wide pH ranges
Ultra-neutral flavor profile suitable for premium dairy and sports beverages
Lower enzyme consumption cost compared to conventional whole-mash enzymatic plants
Full byproduct valorization: soy fiber, phosphatide emulsion, and purified soy oil
03 · COMMERCIAL VALUE & TARGET INDUSTRIES

Output Utilization Sectors

Sports nutrition protein shakes and clinical dietary blendsInfant formulas and functional plant-based dairy alternativesBrine injection for whole muscle meat and emulsion sausagesProtein fortification in bakery, snacks and confectionery bars
Raw Material Matrix
Defatted White Flake (PDI > 80)
Non-GMO Soybean Meal
Whole Soybeans
Registered Patent Number
Patent RU 2709384 C1
Jurisdiction: Implemented at modern facilities in Israel, China, USA and Kazakhstan
Direct High-Value Outputs
Soy Protein Isolate (≥90% dry basis protein content)
Functional Soy Concentrates (≥70% protein)
Dietary Soy Cotyledon Fiber (≥75% dietary fiber)
Lecithin & Phosphatide Emulsion
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Soltex Global provides complete technology transfer packages, P&ID process schemes, proprietary reactor fabrication, and performance output guarantees.

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