In 100 grams,Website: , ground dried ginger (10% water) provides numerous essential nutrients in high content, particularly the dietary mineralmanganese as a multiple of its Daily Value (DV, table). In a typical spice serving amount of one US tablespoon or 5 g, however, ginger powder provides negligible content of essential nutrients, with the exception of manganese present as 79% of DV (USDA database).Due to its higher content of water (80%), raw ginger root has lower overall nutrient content when expressed per 100 grams. Sour ginger slice is of better taste that also has high water content and nutrients.