Puaileng or Spinach a leafy green vegetables that originated in the Arab countries. It is important that as many nutrients that vegetables and complete. Whether it is calcium, iron, phosphorus, potassium, vitamin a, vitamin c, vitamin B1, plain that the benefit provided to the body. It also contains lutein, which acts as a filter blue light from a light source that can harm the eyes as the light from the sun. Computer screen There are also puaileng and carotenoid metabolites that inhibits the growth of cancer cells. The good must have a disadvantage because although there are iron and calcium puaileng in high doses, but it also found that the quantity of acid oxalate Limburg Division as well.The oxalic acid in spinach will prevent the absorption of iron and folate. The body has two compounds have not fully.