News

Professor Wang Yuanxiu of University of Jinan Visits Dong’e Chenkang Pharmaceutical for Technical Guidance

March 17, 2025

Expert Guidance on Preparation Techniques

With profound expertise in ​small molecule peptide preparation and ​bioenzyme selection, Professor Wang meticulously reviewed the company’s current production processes for donkey-hide gelatin peptides. She emphasized that ​optimizing preparation protocols—particularly in bioenzyme engineering—is critical to enhancing product efficacy.

Key Challenges & Innovations:

  • Traditional donkey-hide gelatin products face limitations in bioavailability due to their ​large molecular weight.
  • Dong’e Chenkang’s breakthrough lies in transforming gelatin nutrients into ​low-molecular-weight peptides (<1,000 Da) through advanced enzymatic hydrolysis, significantly improving absorption rates.

Professor Wang highlighted that ​enzyme specificity, ​activity parameters, and ​reaction conditions directly determine peptide yield and bioactivity. Her recommendations included:

  • Screening ​thermostable proteases to enhance hydrolysis efficiency
  • Adopting ​AI-driven enzyme-substrate matching for precision catalysis
  • Implementing ​green chemistry principles to reduce industrial waste

Bridging Tradition and Modern Science

Donkey-hide gelatin (Ejiao), a treasured ingredient in traditional Chinese medicine, has been revered for centuries for its nourishing properties. Yet, its modernization demands scientific rigor. Dong’e Chenkang’s R&D team, guided by Professor Wang, is redefining Ejiao’s potential by:

  • Developing ​standardized peptide profiles (e.g., collagen tripeptides)
  • Validating efficacy through ​in vitro/vivo absorption studies
  • Expanding applications into ​functional foods and ​cosmeceuticals

Collaborative Roadmap

The visit culminated in a ​joint action plan:

  1. Phase I (2024): Establish a shared lab for enzyme stability testing.
  2. Phase II (2025): Co-publish research on ​Ejiao peptide bioavailability in international journals (e.g., Journal of Functional Foods).
  3. Long-Term Vision: Pioneer ​personalized Ejiao formulations leveraging metabolic profiling.

Professor Wang urged the team to “dare to innovate” in refining eco-friendly production systems, noting that “every 1% increase in enzymatic efficiency could reduce costs by 15% while boosting peptide purity.”


Dong’e Chenkang Pharmaceutical — Revitalizing Tradition with Cutting-Edge Science.

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