Method for extracting mignonettetree pigment and application of the extract

The invention relates to the field of extracting natural products, in particular to a method for extracting mignonettetree pigment and an application of the extract. The method for extracting mignonettetree pigment comprises the following steps: (1) crushing and performing enzymolysis on mignonettetree to obtain cell tissue fluid of the mignonettetree; (2) performing microwave-split on the cell tissue fluid to obtain a mignonettetree pigment solution; (3) performing vacuum flash vaporization on the pigment solution to obtain a mignonettetree extract. The extract can be used for preparing a hair dying mixture. Compared with the same kind of products on the market, the hair dying mixture in the invention is paste, free of flying ash and is convenient to use; moreover, biological enzymolysis technology, microwave-split disruption technology and filtration separation and purification technology are adopted on the mixture in the invention, so that the prepared powder is delicate and is high in pigment content.