Value Per Nutrient Food 0.05 g 100 grams Histidine Barley, pearled, cooked 0.05 g 100 grams Histidine Potatoes, french fried, crinkle or regular cut, salt added in processing, frozen, oven-heated 0.05 g 100 grams Histidine Pie, coconut creme, commercially prepared 0.05 g 100 grams Histidine Fast foods, potato, baked and topped with sour cream and chives 0.05 g 100 grams Histidine Basil, fresh 0.05 g 100 grams Histidine Collards, frozen, chopped, unprepared 0.05 g 100 grams Histidine Potatoes, mashed, prepared from granules, without milk, whole milk and margarine 0.05 g 100 grams Histidine Potatoes, mashed, dehydrated, prepared from granules without milk, whole milk and butter added