whole meal
6.The enzyme polyphenol oxidase(PPO) activity of F3 progenies from wheat crosses Yannong 19×Annong 0016 and Yannong 19×Annong 98017 were measured with the methods of whole-meal and DOPA or catechol as substrate.
8.Taking DOPA as substrate,polyphenol oxidase(PPO) activity of the F_2 and F_(2∶3) family groups derived from across between Yangmai 158 and Huaimai 18 were measured with the method of whole-meal filtering.

