The result shows that the pigment can be well obtained by using 30% Acet and 5% NaOH.The green powered pigment is obtained.The pigment is stable to light, heat and glucide.

• 结果表明,在30%25丙酮及5%25氢氧化钠溶液中易于提取,得到绿色粉末状色素,该色素对光、热和糖类具有较好的稳定性。