Locust bean gum can be made as flour or as extract. Guar gum is typically made as flour only, but extract guar is feasible.

Flour manufacturing process
  • The grain is dehusked
  • After moderate crushing, the splits (endosperm) are separated from the germ
  • Flour is obtained by grinding the splits
Extract manufacturing process 
  • The raw material is dissolved by cooking in hot water
  • The insoluble material is filtered out using filter earth
  • The clarified solution is precipitated in isopropyl alcohol
  • The coagulum is rinsed in alcohol, then pressed, vacuum dried, ground and sieved
Locust Bean Gum, seeds or flour Hot water

Galactomannans manufacture


Some Cargill products are only approved for use in certain geographies, end uses, and/or at certain usage levels. It is the customer's responsibility to determine, for a particular geography, that (i) the Cargill product, its use and usage levels, (ii) the customer's product and its use, and (iii) any claims made about the customer's product, all comply with applicable laws and regulations.