Tannic Acid is found in nutgalls, the swelling of trees caused by parasitic wasps. However, the most common occurrence of Tannic Acid is in the twigs of certain trees, specifically Chestnut and Oak trees.
What is the source of tannic acid?
Overview. Tannic acid is found in the nutgalls formed by insects on the twigs of certain oak trees. Purified tannic acid is sometimes used as medicine.
How do you make tannic acid?
Preparing the Acid Solution
- 100 g tannic acid.
- 900 mL deionized or distilled water.
- 50 mL ethanol.
- approximately 2 mL dilute phosphoric acid (H3PO4)