All our tree fungus are organic products,without fertilizer and pesiticide. Nutrition InfoWood ears are rich in protein. Each 100g contains 10.6 protein, 357 mg calcium, 201 mg phosphorus, 185 mg iron. It also contains carrotene, vitamins B1 and B2, mannan, glucuronic acid, lecithin, and cephalin. Health BenefitsA very good blood tonic, contains 7 times as musch iron as pig's liver. It has a ...