Meanings1hematin (blood pigment)2heme3hemoglobin4also written 血紅蛋白|血红蛋白[xue4 hong2 dan4 bai2]{hyut3 hung4 daan2 baak6}Written Forms血色素Traditional · Main Form血紅蛋白|血红蛋白[xue4 hong2 dan4 bai2]Alternate Form