Rose is a kind of Rosaceae plants. It is generally used as raw material for theextraction of rose oil. The rose residue is rich in anthocyanins with high edible as well asmedical value. Therefore, it is a natural pigment resource to be reused. In this thesis,extraction, purification, stability, structure and antioxidant activity were systematicallystudied and results were as follows:
1. On the basis of single factor experiment, optimum conditions for pigmentextraction obtained by orthogonal experimental...