Bamboo leaf is soaked and extracted in 85% acetone solvent to attain emerald chlorophyll solution.Paste chlorophyll is attained by the vaporization of solvents.

• 用85%25的丙酮作溶剂从竹叶中浸提得到鲜绿色的叶绿素溶液，经蒸发浓缩回收溶剂，可得糊状叶绿素。