A method of extracting and purification natural red pigment from ear of torch tree is proposed.

研究了从火炬树果穗中提取红色素的方法，并对其进行精制。

youdao

A method of extracting and purification natural red pigment from ear of torch tree is proposed.

研究了从火炬树果穗中提取红色素的方法，并对其进行精制。

youdao