Explore our core selection of animal, plant, and yeast-derived nitrogen sources designed for industrial fermentation and laboratory culture media formulation.
Beijing Hongrun Baoshun Technology Co., Ltd. is located in the high-tech Science and Technology Innovation Area of the China (Beijing) Pilot Free Trade Zone.
We have evolved into a modern high-tech enterprise integrating R&D, production, and sales. We are proud recipients of dual certifications as a National "High-tech Enterprise" and a "Zhongguancun High-tech Enterprise."
Our strategically optimized operations expanded in 2018 to the Qili Industrial Park in Langzhong, Sichuan. With Phase I and Phase II factories, our combined floor area exceeds 40,000 square meters, backed by a modern 20,000 square meter storage facility. Our advanced facility isolates animal and plant-derived production lines, eliminating cross-contamination risk.
Strict Quality System Certification
Global Dietary Compliance Standard
A visual insight into our state-of-the-art facilities, featuring separate processing systems for raw agricultural input processing and animal-derived protein extraction.
In food safety, clinical diagnostics, and environmental testing, the recovery of sublethally injured pathogens is crucial. Buffered Peptone Water (BPW) is a non-selective pre-enrichment medium designed to optimize cell recovery. Standard food processing steps—such as heat treatments, desiccation, exposure to preservative acids, and chemical sanitization—often stress target organisms like Salmonella species and Listeria monocytogenes without killing them. These damaged cells cannot grow directly on selective isolation media due to the toxic selective agents used. A non-selective recovery step is required to resuscitate them.
The standard formulation of BPW relies on a precise stoichiometric balance of peptones, osmotic regulators, and phosphate buffers. High-quality enzymatic digests of casein (peptone) provide essential nitrogen, free amino acids, carbon, vitamins, and minerals required for bacterial metabolism. Sodium chloride maintains osmotic equilibrium, preventing cellular lysis. The primary buffer system uses disodium hydrogen phosphate and potassium dihydrogen phosphate. This system maintains the pH of the medium at 7.2 ± 0.2 at 25°C throughout pre-enrichment. This pH stability is critical when recovering acid-producing organisms or analyzing naturally acidic foodstuffs, which can cause pH drops that kill stressed pathogens.
Global trade regulations mandate standardized pathogen testing. ISO 6579 (Microbiology of the food chain - Horizontal method for the detection, enumeration, and serotyping of Salmonella) specifies BPW as the primary pre-enrichment medium. Similarly, the FDA Bacteriological Analytical Manual (BAM) and the European Pharmacopoeia require BPW for testing food matrices, animal feeds, and environmental samples. Batch-to-batch consistency in buffer capacity, productivity ratios (PR ≥ 0.5), and low background contamination are critical quality control parameters. These parameters are rigorously validated under ISO 11133 quality standards.
The global demand for dehydrated culture media is shifting due to regulatory changes, animal welfare concerns, and industrial efficiency needs. B2B buyers must navigate these changes to maintain clean, compliant, and cost-effective supply chains.
One major trend in microbial media manufacturing is the transition from animal-derived peptones to plant-derived alternatives. This shift is driven by the need to eliminate risks associated with Bovine Spongiform Encephalopathy (BSE) and Transmissible Spongiform Encephalopathies (TSE). As a result, plant proteins like soy and wheat are widely used to replace animal peptones. Our Sichuan facility has separate production lines for plant and animal peptones, ensuring zero cross-contamination and providing certified BSE/TSE-free plant-derived raw materials for global pharmaceutical, cosmetic, and vaccine manufacturers.
Microbiology laboratories and industrial fermentation facilities require reliable supply partners. B2B procurement professionals must balance cost, consistent raw material supply, and batch scalability. As a vertically integrated manufacturer, Beijing Hongrun Baoshun Technology Co., Ltd. addresses these challenges by managing the entire manufacturing process—from raw material selection to enzymatic hydrolysis, spray drying, and packaging. This end-to-end control ensures consistent bulk supply, competitive pricing, and custom formulation options to meet specific customer requirements.
Beijing Hongrun Baoshun Technology Co., Ltd. operates with five specialized subsidiaries. This structure enables synergetic development and ensures end-to-end quality control across our supply chain.
Coordinates our biotechnology research and development efforts, focusing on optimizing microbial yield and culture medium formulations.
Manages our large-scale Sichuan production facility, focusing on animal-derived proteins and raw peptone extraction processes.
Focuses on downstream application testing, validating final product quality using modern microbiology laboratory assays.
Manages our domestic and global regulatory compliance, handling certifications, import-export paperwork, and customs coordination.
Coordinates domestic sales networks, customer service, technical support, and logistics for the Chinese market.
Our raw materials and dehydrated culture media support critical microbiology applications, including clinical diagnostics, food safety testing, and industrial biotechnology.
Widely applied in formulating dehydrated media to support microbial growth and identification.
Provides critical nutrients for vaccines, recombinant proteins, and therapeutic cell cultures.
Used as high-nitrogen fermentation nutrients to optimize target molecule yields in bioreactors.
Supports the growth of beneficial microorganisms like lactic acid bacteria and bifidobacteria.
Provides nutritional inputs for organic fertilizers and biopesticides, enhancing crop health.
Optimizes nutrient feeds to stimulate enzyme expression in industrial fermentations.
We offer customizable formulations to meet the specific requirements of our clients. Let us design a solution tailored to your operational needs.
Our Sichuan facility features separate plant and animal processing lines, enabling us to customize products to your exact requirements. We can adjust the molecular weight distribution of peptones, modify amino acid profiles, and customize packaging sizing to integrate into your production processes.
We provide a comprehensive range of high-quality, stably supplied fermentation raw materials backed by independent production and free sampling.
We offer free samples of up to 500g per product (excluding shipping fees). This program allows laboratories and manufacturers to validate raw materials in their own systems before committing to bulk purchases.
Our commitment to quality control, technical support, and supply chain management ensures reliable, long-term partnerships for global laboratories and manufacturers.
We provide full-cycle technical support, including pre-sales consultation, on-site debugging, after-sales maintenance, and timely problem-solving to support the stable operation of your system.
We offer customization tailored to your business needs, covering product design, functional development, packaging, and application solutions to meet diverse requirements.
Strict quality control systems and standardized production processes ensure consistent product performance, high purity, and reliability for long-term customer trust.
Integrated supply chain management and multiple warehousing distribution centers support fast order processing and on-time delivery, reducing lead times.
We offer cost-effective pricing strategies and flexible cooperation models, supporting bulk discounts and long-term partnerships.
Our professional service team offers multilingual support to facilitate clear, barrier-free communication and business cooperation for global clients.
We offer a structured after-sales service system, including return and exchange policies, technical training, and regular follow-up visits to support your ongoing operations.
Common technical and commercial questions about Buffered Peptone Water sourcing, standards compliance, and custom biological raw materials.
Explore our complete range of plant hydrolysates, purified digests, and yeast extracts designed for bulk industrial applications.
To support laboratory operations, we provide preparation parameters and performance standards for our Buffered Peptone Water. Adherence to these guidelines helps maintain analytical reproducibility across food testing and clinical laboratories.
| Ingredient Component | Standard Concentration (g/L) | Primary Biological Function |
|---|---|---|
| Enzymatic Digest of Casein (Peptone) | 10.0 | Provides nitrogen, vitamins, carbon, and essential amino acids for growth. |
| Sodium Chloride (NaCl) | 5.0 | Maintains osmotic pressure, preventing cellular damage during pre-enrichment. |
| Disodium Hydrogen Phosphate (Na₂HPO₄) | 3.5 | Maintains buffering capacity, stabilizing the pH of the medium. |
| Potassium Dihydrogen Phosphate (KH₂PO₄) | 1.5 | Works with disodium hydrogen phosphate to maintain a stable neutral pH. |
Our quality control processes validate each batch against test strains, including Salmonella typhimurium (ATCC 14028) and Salmonella enteritidis (ATCC 13076). resuscitating sublethally injured cells within 18–24 hours at 37°C. The formulation is also tested to ensure low bioburden levels, minimizing background growth that can interfere with diagnostic assays.
Hongrun Baoshun
