The two ways in which this happens are chain-growth and step-growth polymerisation. 主要有连锁聚合和逐步聚合两大类。
Wines heavily saturated with tannins will lose colour over time due to this polymerisation of anthocyannins and tannin. 随着时间的推移，饱含单宁的酒也会失色，原因就在于花青素与单宁的这种聚合反应会导致单宁的沉淀。
