Our process

How it’s made

Most everyday consumer and industrial products are made using non-renewable resources, such as petrochemicals. The overuse of these finite resources is not sustainable.
100% Plant-based 1,3-propanediol is manufactured through a proprietary fermentation processing using naturally-derived glucose instead of petroleum feedstocks.
DTL19_24808_Susterra_Microsite_Icon_Animation_rd02_2-Loops
DTL_Susterra_Icon_Our-Process_Harvest_website

Harvest

Renewably sourced feedstocks are harvested, dried and then wet-milled to create a range of carbohydrate-rich feedstocks such as glucose.

DTL_Susterra_Icon_Our-Process_Fermentation_website

Fermentation

Glucose is converted into 1,3-propanediol using a patented microorganism under exact temperature and conditions.

DTL_Susterra_Icon_Our-Process_Refining_website

Refining

The 1,3-propanediol is refined to a final purity of 99.7% by deactivating and removing the microorganism, water and other byproducts.

Production from the ground up

The manufacturing plant in Loudon, TN, is located adjacent to DuPont Tate & Lyle’s corn wet mill that supplies glucose from corn starch. The glucose is converted to 1,3-propanediol through a fermentation process that uses a patented microorganism under exact temperatures and conditions.

Visit our sustainability page to learn more about the ways DuPont Tate & Lyle Bio Products drives sustainable change by providing greener ingredient alternatives for a variety of industries.

Where to buy

DuPont Tate & Lyle offers an extensive network of distributors. Find one in your region.

Request a sample

Formulators and designers can experience the performance of DuPont Tate & Lyle products by requesting a sample.