Demand is rising dramatically. According to the agriculture ministry, annual broccoli purchases per person rose to 1,619 grams in 2022 from 540 grams in 1990. Shipments also doubled over the same period to 157,000 metric tons. That contrasts with broader trends in vegetables overall, where consumption and output have been declining or stayed flat. [...] The green is rich not only in vitamins and dietary fiber but also in beta-carotene, potassium and folic acid. Unusually for a vegetable, it is also high in protein, with 5.4 grams per 100 grams when raw, about the same as tofu. In addition, its sprouts contain large amounts of sulforaphane, a compound thought to help prevent cancer and slow aging. This aspect has been widely highlighted in the media.