"The fact that biofortified foods can have an impact on nutritional status in humans is an enormously exciting breakthrough," Zeigler noted. "It is time to shift the agricultural research agenda, and the rice research agenda in particular, away from quantity and toward better-quality food. This may be the start of a nutritional revolution--a very appropriate follow-on from the Green Revolution and one that is desperately needed by millions of the world's poor and undernourished."