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Balancing Energy Efficiency and Nutrient Retention in the Soybean Processing Industry: An In-Depth Look at Advanced Solvent Extraction Technology
2025-07-01
Penguin Group
Technical knowledge
This article explores how the soybean processing industry can achieve energy efficiency while preserving essential nutrients. By introducing the advanced solvent extraction technology used in Pengyu Group's soybean flake equipment, this paper details key steps such as cleaning, fractionation, dehulling, deep cold treatment, low-temperature high-vacuum extraction, and decolorization, which ensure a protein content of over 50% and fat content below 0.5%. Through comparative analysis of production outcomes before and after the implementation of the equipment, the significant advantages of energy saving, nutrient retention, and cost reduction are highlighted. Real-world case studies further demonstrate the positive impact of this technology on product quality, cost control, and market expansion, offering an effective technical solution for soybean processing companies to enhance competitiveness and meet the growing demand for high-quality soybean ingredients in the food industry.
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Balancing Energy Efficiency and Nutrient Retention in Soy Processing: An Insight into Advanced Solvent Extraction Technology

Soy processing is a critical stage in the food industry, where energy efficiency and nutrient preservation must coexist. As global demand for high-quality soy products continues to rise, manufacturers face increasing pressure to optimize production while maintaining product integrity. This article explores how advanced solvent extraction technology, as implemented by Pengyu Group’s soy flake equipment, offers an effective solution to this challenge.

Soybeans in bulk

Key Steps in the Soy Flaking Process

The Pengyu Group’s soy flake equipment employs a multi-step process that ensures both energy efficiency and nutrient retention. The core steps include:

  • Cleaning: Removes impurities and foreign materials to ensure purity and safety.
  • Fractionation: Separates soybeans into different components for more precise processing.
  • Dehulling: Removes the outer shell to enhance protein accessibility and reduce processing time.
  • Cryogenic Treatment: Preserves sensitive nutrients through controlled low-temperature processing.
  • Low-Temperature and High-Vacuum Solvent Extraction: Extracts oil efficiently while minimizing heat exposure to protect proteins and other vital nutrients.
  • Decolorization: Ensures the final product has a clean appearance without compromising quality.
Soy flake machine in operation

Energy Savings and Nutritional Benefits

Compared to traditional methods, the Pengyu Group’s system demonstrates significant improvements in both energy consumption and nutritional value. For example, the protein content of the final soy flake product remains above 50%, while the fat content is kept below 0.5%. These results are achieved through optimized thermal control and reduced solvent usage during the extraction phase.

Parameter Before Implementation After Implementation
Protein Content (%) 48.5 52.3
Fat Content (%) 0.8 0.4
Energy Consumption (kWh/ton) 120 85
Soy flake product sample

Real-World Impact: A Success Story

A leading soy processor in Southeast Asia adopted the Pengyu Group’s equipment and saw immediate benefits. After implementation, the company reported a 25% reduction in energy costs and a 15% improvement in product yield. More importantly, the enhanced nutritional profile allowed them to secure contracts with premium food brands, significantly boosting their market share.

“The new system not only saved us money but also helped us meet the strict quality standards required by our international clients,” said a senior production manager from the company. “It’s a win-win for both our business and our customers.”

Why Choose Pengyu Group?

Pengyu Group’s technology is designed for precision, sustainability, and scalability. With a proven track record in the global soy processing industry, we provide reliable solutions that help businesses stay competitive in an evolving market.

If you’re looking for a way to improve your soy processing operations while maintaining the highest quality standards, contact us today to learn more about our advanced solvent extraction systems. Our team of experts is ready to support you every step of the way.

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