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Corporate Authority: Dongguan Tsrel Biology Co., Ltd.
Driving the future of sustainable nutrition and plant-based protein science through advanced macromolecular synthesis and global trade.
Dongguan Tsrel Biology Co., Ltd. is a professional China vegetal protein manufacturer specializing in the research, development, production, and supply of high-quality plant protein ingredients for food, beverage, and nutritional applications. With a strong focus on innovation, sustainability, and quality assurance, the company is dedicated to providing reliable plant-based ingredient solutions to customers worldwide.
Equipped with advanced manufacturing facilities and modern processing technologies, Dongguan Tsrel Biology offers a comprehensive range of vegetal proteins, including soy protein, pea protein, rice protein, wheat protein, and other specialty plant proteins. These ingredients are widely used in functional foods, nutritional supplements, sports nutrition products, dairy alternatives, meat alternatives, beverages, bakery products, and health food applications.
Innovation is a key driving force behind the company's growth. Supported by an experienced research and development team, Dongguan Tsrel Biology continuously explores new technologies and application solutions to meet the evolving demands of the global food and nutrition industries. The company also provides customized ingredient solutions to help customers optimize product formulations, improve nutritional profiles, enhance texture, and create clean-label products.
Quality and food safety are integrated into every stage of production. From raw material sourcing and processing to final testing and packaging, strict quality control procedures are implemented to ensure product consistency, purity, safety, and compliance with international standards. This commitment enables the company to deliver dependable products that meet the rigorous requirements of global customers.
With customer satisfaction at the center of its operations, competitive manufacturing capabilities, stable supply chains, and professional technical support, Dongguan Tsrel Biology Co., Ltd. has established long-term partnerships with food manufacturers, distributors, and brand owners across international markets. The company remains committed to advancing sustainable nutrition through innovative plant protein solutions for the global marketplace.
Macro Industry Solutions & Global Commercial Landscape
Navigating the shifting currents of global nutrition demand, clean-label mandates, and planetary health.
Global Commercial Shift
The global demand for high-concentration vegetal protein isolates is expanding. Driven by the rising adoption of flexitarian diets, health-conscious aging populations, and sustainability concerns, the transition from traditional animal proteins to plant macromolecular proteins represents an industry evolution.
Targeted Micro-Nutrition
Modern functional foods demand highly precise protein matrices. From muscle hypertrophy formulations using whey and pea isolates, to clean-label hypoallergenic infant products containing rice and sunflower protein, manufacturers must resolve complex solubility, foaming, and flavoring barriers.
Clean Label Supply Chains
Major brands are eliminating synthetic emulsifiers and chemical thickeners. Our protein isolate ingredients function as structural agents, stabilizing emulsions, adjusting viscosity, and maintaining water retention naturally, fulfilling the clean-label demands of premium food brands.
"As an industry-leading exporter, Dongguan Tsrel Biology bridges the gap between raw agricultural capability and high-tech bio-extraction, ensuring that global brands receive proteins that perform functionally and match organoleptic demands."
Technical Roadmap & Plant-Based Extraction Engineering
Advanced mechanical separation, enzymatic hydrolysis, and low-temperature molecular processing.
Producing protein isolates with purity levels exceeding 80% to 95% requires sophisticated control over macromolecular properties. The extraction and refinement process consists of several critical stages:
- Solubilization and pH Adjustment: The raw biomass (soy, pea, rice, or mung bean) is milled and suspended in water. The pH is elevated past the protein's isoelectric point (IEP) to dissolve the proteins while keeping insoluble fiber intact.
- Physical Fractionation: High-efficiency centrifuges and decanters isolate the soluble protein portion from the heavy carbohydrate fiber matrices.
- Isoelectric Precipitation & Ultrafiltration: The protein is precipitated by lowering the pH to its specific IEP, or is isolated through cross-flow membrane systems, preserving the natural structure of the protein molecules.
- Enzymatic Hydrolysis (For Peptides): Utilizing targeted food-grade endopeptidases and exopeptidases, the long polypeptide chains are broken down into short bioactive peptides. This improves solubility, digestion rates, and bio-activity.
- Spray Drying: Modern, indirect-heat spray dryers quickly dry the protein concentrate, keeping the product functional and preventing thermal degradation.
Localized Application Scenarios & Formulation Optimization
Tailored protein matrices engineered for specific industrial and consumer food environments.
Sports Nutrition
Highly soluble whey isolate, pea isolate, and non-GMO soy protein peptide powders. Designed for fast absorption, high BCAAs (branched-chain amino acids), and neutral taste in dry-blend protein powders.
Dairy & Meat Alternatives
Pea and soy isolates optimized for gelation strength and fat emulsification. Provides the clean bite, fibrous texture, and moisture retention needed in plant-based patties, sausages, and milk substitutes.
Cosmetic & Skin Care
Oat extract protein oligopeptides and hydrolyzed wheat proteins. Our low molecular weight peptides are optimized for skin moisturization, anti-aging, barrier repair, and hair conditioning.
Infant & Clinical Dietetics
Hypoallergenic organic rice and sunflower proteins. High digestibility, zero dairy or soy allergens, low phytate levels, and rich essential amino acid profiles make them ideal for sensitive populations.
Localized Support, Global Compliance & Regulatory Safeguards
Ensuring cross-border compliance, rigorous certifications, and secure logistical channels.
Global food export requires strict adherence to localized health and safety rules. Dongguan Tsrel Biology maintains certifications to guarantee a smooth import process into target countries.
Whether importing into the European Union, United States, Middle East, or Southeast Asia, our proteins comply with local chemical and microbial standards, pesticide limits, and labeling rules.
- Halal Certification: Standardized options for Islamic markets.
- Non-GMO Verification: Rigorous PCR testing for clean agricultural origins.
- Organic Certification: Certified organic options for rice and pea isolates.
Customizable OEM Services
We offer customized solutions for brand owners and industrial manufacturers, including private label packaging, tailored protein concentrations (60% to 95%), specialized mesh sizes for dispersion, and blended formulations with added enzymes or vitamins.
Advanced Plant & Infrastructure Showcase
A look inside our modern facility, advanced laboratories, and automated packaging lines.
Frequently Asked Questions & Technical Clarifications
Detailed answers to key queries on plant protein properties, functionalities, and sourcing.
What is the core difference between a Protein Isolate and a Protein Peptide?
Protein isolates are concentrated proteins that contain at least 80% to 90% protein by dry weight. They consist of intact, long-chain polypeptide structures. Protein peptides are produced through enzymatic hydrolysis, which breaks down these long protein chains into shorter sequences of amino acids. This process improves water solubility, speeds up absorption in the human body, and enhances specific bio-activities, making peptides ideal for cosmetics and sports nutrition.
How does Dongguan Tsrel Biology ensure that plant proteins are non-GMO?
We maintain strict control over our raw material supply chain. All starting materials, such as soybean, corn, and pea crops, are sourced from farms that hold verified non-GMO certifications. In addition, we perform PCR testing on incoming raw batches to verify the absence of genetically modified DNA prior to processing.
What are the main parameters affecting plant protein solubility in acidic beverages?
Most plant proteins have reduced solubility near their isoelectric point, which typically lies between pH 4.0 and 5.0. For acidic beverage formulations, we recommend utilizing hydrolyzed proteins or specialized peptides, such as oat oligopeptides or hydrolyzed rice protein. These ingredients are designed to remain stable and soluble across a wide pH range without sedimentation.
Can you customize the sensory and flavor profile of plant proteins?
Yes. Plant proteins can naturally carry characteristic beany or bitter off-notes. We address this through advanced mechanical rinsing, low-temperature extraction, and enzymatic treatment, which help remove volatile flavor compounds. This allows us to supply a cleaner, more neutral-tasting product that integrates easily into different food matrices.
Browse Our Complete Specialty Protein Range
From organic sunflower protein to cosmetic-grade wheat hydrolysates, explore our full catalog below.
