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
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