Tannin: Derived from the skins, seeds, stems &oak barrels, found mostly in red wine, tannins give wine its mouth-puckering fee but also acts as a natural preservative &helps wine develop and age.

• 丹宁：从葡萄皮，葡萄籽，葡萄藤以及橡木桶中衍生出来的物质。存在于红葡萄酒中。丹宁赋予葡萄酒口涩的感觉，但也起天然保护剂的作用，并帮助葡萄酒陈年。