Method Under the room temperature,extract the filtered pigment solution from the acidic alcohol immersed with fresh Silktree Albizzia flower.

• 方法室温下,用酸性乙醇液浸泡新鲜绒花,过滤得色素提取液,然后对该色素的耐酸碱性、耐热性、耐光性、耐氧化还原性等理化性质进行测定和分析。