Value Per Nutrient Food 17.10 mg 100 grams Vitamin C, total ascorbic acid Yam, raw 17.10 mg 100 grams Vitamin C, total ascorbic acid Lasagna, Cheese, frozen, prepared 17.00 mg 100 grams Vitamin C, total ascorbic acid Squash, summer, all varieties, raw 17.00 mg 100 grams Vitamin C, total ascorbic acid GARDENBURGER, Black Bean Chipotle Burger 17.00 mg 100 grams Vitamin C, total ascorbic acid Soybeans, green, cooked, boiled, drained, without salt 17.00 mg 100 grams Vitamin C, total ascorbic acid Soybeans, green, cooked, boiled, drained, with salt 17.00 mg 100 grams Vitamin C, total ascorbic acid Cabbage, savoy, cooked, boiled, drained, with salt 17.00 mg 100 grams Vitamin C, total ascorbic acid Cowpeas, young pods with seeds, cooked, boiled, drained, with salt