Value Per Nutrient Food 0.08 mg 100 grams Riboflavin Broccoli, frozen, spears, cooked, boiled, drained, with salt 0.08 mg 100 grams Riboflavin Sesbania flower, raw 0.08 mg 100 grams Riboflavin Broccoli, frozen, spears, cooked, boiled, drained, without salt 0.08 mg 100 grams Riboflavin Broccoli, frozen, chopped, cooked, boiled, drained, without salt 0.08 mg 100 grams Riboflavin Pepper, serrano, raw 0.08 mg 100 grams Riboflavin Potatoes, au gratin, dry mix, prepared with water, whole milk and butter 0.08 mg 100 grams Riboflavin Soup, clam chowder, new england, canned, prepared with equal volume water 0.08 mg 100 grams Riboflavin Beef, rib, small end (ribs 10-12), separable lean and fat, trimmed to 1/8" fat, choice, raw