Tryptophan sulfonate: a new chemical marker for accurate and efficient inspection of sulfur-treated food products by Professor Xu Jun, Assistant Professor of the Teaching and Research Division of the School of Chinese Medicine
The research team developed a new approach for the inspection of sulfur-treated food and Chinese herbal medicinal products through a new chemical marker called tryptophan sulfonate. This approach is more accurate, rapid and efficient for large sample quantities, helping to enhance food safety and strengthen quality assurance.