Barley grass is rich in nutritional and functional ingredients. In the following table major ingredients content in the dried barely grass are reviewed.

References:

1. Zeng, Y.; et.al. Preventive and Therapeutic Role of Functional Ingredients of Barley Grass for Chronic Diseases in Human Beings. Oxid Med Cell Longev. 2018, 3232080.
2. Lahouar L.; et.al. Therapeutic potential of young green barley leaves in prevention and treatment of chronic diseases: an overview. The American Journal of Chinese Medicine. 2015, 43(7), 1311-1329.
3. Jiazhen Y. A.; et.al. Utilization of barley functional foods for preventing chronic diseases in China. Agricultural Science & Technology. 2016, 17(8), 2195–2204.