Figure 1.
Variance of bound phenolic compound of different wheat varieties during grain filling stage.  ,
,  , and
, and  stand for white wheat Yumai49-198, red wheatYangmai22 and purple wheat Zhouheimail, respectively. Panels (A–F) stand for ferulic acid, vanillic acid, p-coumaric acid, syringic acid, total phenolic acid, and caffeic acid, respectively.
 stand for white wheat Yumai49-198, red wheatYangmai22 and purple wheat Zhouheimail, respectively. Panels (A–F) stand for ferulic acid, vanillic acid, p-coumaric acid, syringic acid, total phenolic acid, and caffeic acid, respectively.
