As we know, the contents of glucosinolates, vitamin C and polyphenols can be influenced by various environmental and abiotic factors. As an important environmental factor, light is not only the major source of energy for plant photosynthesis, but also a key signal, regulating plant growth and development . In recent years, much attention has been paid to the red and blue lights, in view of their role as essential energy sources for photosynthetic carbon assimilation. However, studies on the influences of red and blue lights on glucosinolates are limited. It was reported that the concentration of gluconasturtiin in watercress was significantly increased by a brief red light exposure compared to a far-red light exposure at the end of the main photoperiod. In addition, sinigrin level in kale reached a peak in response to the red light at 640 nm . In contrast to glucosinolates, the regulatory effects of red and blue lights on accumulation of vitamin C and polyphenols have been studied extensively in different species , and the results are often complicated. For instance, the red LED light rather than the blue LED light significantly suppressed the reduction of ascorbic acid in postharvest broccoli. Besides, red LED light can increase thecontent of phenolic compounds in common buckwheat sprouts, but not in Tartary buckwheat sprouts .