21. The tannic acid from fallen leaves and cypress needles also acted as a kind of embalming fluid. 22. The introduction of tannic acid treatment of severe burn injuries in the 1920s significantly reduced mortality rates. 23. The slow-moving waters of the Okefenokee are tea-colored due to the tannic acid released from decaying vegetation. 24. You won't have a tannic acid stain. 25. Under directive 89 / 107 / EEC tannic acid can be referred to as a food ingredient. 26. They were located near water where hemlock bark was placed in large vats to make tannic acid . 27. When the tannins are metabolized in cattle, the tannic acid produced can cause ulceration and kidney failure. 28. Unlike coffee, which stimulates the nerves, tea contains tannic acid , which stimulates digestion and speeds metabolism, Hadady says. 29. "' Quercitannic acid "'is one of the two forms of tannic acid found in oak bark and leaves. 30. The biological action of rhatany is caused by the astringent rhataniatannic acid, which is similar to tannic acid .
