41. Its bark was used to make medicine and tannic acid for tanning and dyeing. 42. The foliage and fruits contain tannic acid and are poisonous to cattle and humans. 43. The acidity comes from tannic and gallic acids. 44. This effect is particularly profound when drinking tannic wines without the benefit of food. 45. These wines are flavoursome and tannic in character. 46. The bark contains : tannic substances, coumarin, bitter substances, and alkaloids. 47. It is a bit tannic ; another year in the bottle would not be amiss. 48. The best 1988s are tannic and will need time to mature, lots of it. 49. The difference is that merlot is fruitier, less tannic , softer and matures faster. 50. I didn't like it; called it clumsy, overripe and too tannic .
