Location History:
- Jiangsu, CN (2011 - 2019)
- Nantong, CN (2022)
Company Filing History:
2 out of 4 
1 out of 3 
1 out of 257 
Years Active: 2011-2022
Title: Yi Sun: Innovator in Biochemical Engineering
Introduction
Yi Sun is a notable inventor based in Jiangsu, China. He has made significant contributions to the field of biochemical engineering, particularly in the preparation of phosphatidylserine and gamma-aminobutyric acid hemihydrate crystals. With a total of 3 patents, his work showcases innovative methods that enhance efficiency and effectiveness in biochemical processes.
Latest Patents
One of Yi Sun's latest patents is a method for preparing phosphatidylserine by ultrasonic-assisted enzymatic hydrolysis. This method involves adding 100-130 parts of phospholipid into a mixture of 150-200 parts of L-serine, 10-20 parts of anhydrous calcium chloride, and 400-500 parts of pure water. The process includes adding 20-25 parts of phospholipase D for enzymatic hydrolysis and applying ultrasound to enhance the reaction. The ultrasonic treatment technology significantly improves the enzymatic hydrolysis conversion rate to 98% or higher.
Another significant patent is for gamma-aminobutyric acid hemihydrate crystal and its preparation method. The molecular formula for this crystal is CHNO·0.5HO. The preparation method involves creating a suspension of crude gamma-aminobutyric acid in water, stirring it at a constant temperature, and then filtering and drying to obtain the stable hemihydrate crystal. This crystal is characterized by its large main particle size, uniform distribution, high bulk density, and purity of ≥99%. The method is efficient, easy to operate, and suitable for large-scale industrial production.
Career Highlights
Yi Sun has worked with several companies, including Nantong Licheng Biological Engineering Co. Ltd and Jiangsu Yoau Electric Co., Ltd. His experience in these organizations has contributed to his expertise in biochemical engineering and innovation.
Collaborations
Some of Yi Sun's notable coworkers include Jiangbo Li and Yang Zeng. Their collaborative efforts have likely played a role in advancing their shared goals in the field of biochemical research.
Conclusion
Yi Sun's innovative work in biochemical engineering, particularly in the development of efficient methods for preparing phosphatidylserine and gamma-aminobutyric acid hemihydrate crystals, highlights his significant contributions to the field. His patents reflect a commitment to advancing