Company Filing History:
2 out of 2 
2 out of 24 Years Active: 2022-2024
Title: **Jiajia Teng: Innovator in Bioengineering for L-Theanine Production**
Introduction
Jiajia Teng is a notable inventor based in Henan, China, who has made significant contributions to the field of bioengineering. With a total of two patents, Teng has focused on advancing methods for the production of L-theanine, a valuable amino acid known for its calming effects and found primarily in tea.
Latest Patents
Teng's latest inventions include two pivotal patents concerning the "Method for producing L-theanine via fermentation by a genetically engineered bacterium." This innovative method utilizes a genetically engineered bacterium, obtained from an original strain after a series of modifications involving T7RNAP, gmas, and several gene knockouts on an W3110 genome. The production process boasts an impressive yield; after 20-25 hours, L-theanine achieves a titer of 75-80 g/L, with an overall yield reaching up to 52-55%. Furthermore, the purification process of the fermentation broth employs membrane separation in conjunction with a sophisticated cation-anion resin series technique. The final crystallization results in a yield of 72.3%, and the product achieves a remarkable purity of 99%.
Career Highlights
Throughout her career, Jiajia Teng has been associated with influential organizations in the bioengineering sector. She has worked at Henan Julong Biological Engineering Co., Ltd., where her expertise has driven advances in biotechnological applications. Additionally, Teng has been affiliated with Tianjin University of Science and Technology, contributing to research and development in her field.
Collaborations
Jiajia Teng has collaborated with notable colleagues, including Xiaoguang Fan and Xiaodong Liu. These partnerships have facilitated the sharing of knowledge and innovative ideas, further enhancing the development of her groundbreaking methods for L-theanine production.
Conclusion
Jiajia Teng's innovative work in bioengineering and her patents for L-theanine production mark her as a significant figure in the scientific community. Her contributions reflect a commitment to advancing sustainable production methods in biotechnology, and her collaborations underscore the importance of teamwork in driving scientific progress.