| Vegan? Maybe | Vegetarian? Maybe |
Classifications are made based on the available commercial supply of the ingredient, and are made based on the criteria on our classifications page.
Commercially available l-threonine may be vegan depending on the source and may be vegetarian depending on the source.
Threonine is an amino acid. Presently the major share of commercially produced threonine comes from fermentation which may use animal ingredientsduring the fermentation process (see amino acid).
Sources
- Singh, S., & Tiwari, B. S. (2019). Biosynthesis of High-Value Amino Acids by Synthetic Biology. Current Developments in Biotechnology and Bioengineering, 257–294.
https://doi.org/10.1016/b978-0-444-64085-7.00011-3