First, Jarred commercial carrot baby food (fruit packing business and other baby food) have nitrates too! Even Jarred organic baby foods have nitrates in carrots. The Commercial baby food companies will tell you that she ROOM nitrate levels, not to remove nitrates. This means that vegetables grown in one part of the country where nitrate contamination of soil is lower, where the sun shines or more when farmers do not use a high nitrogen fertilizer can buy. Nitrates are naturally occurring and can not be removed! Through screening, commercial baby foods may contain a lower level of nitrates in fact the parents themselves are unable to screen for nitrate vegetables. Note that the baby food companies to voluntarily display the contents of nitrate and there is no federal (U.S.) or regulatory mandate that they have to show. You see, nitrates are found naturally in fruits and even the people of Gerber / Beechnut / Heinz et al. nitrates.So can remove when I first heard of nitrates and carrots, "blue baby syndrome" and baby food at home, often with a bit of anxiety and fear to go to food for babies. We do not want the best for our children and certainly do not want to poison them! What a moment to look at the facts on nitrates, children and baby food preparation. "Around the age of three months, an increase in the amount of hydrochloric acid in a baby's stomach kills most bacteria that convert nitrate to nitrite. When a baby of six months, your digestive system fully developed, and none of the conversion of nitrate bacteria remain. In older children and adults, nitrate is absorbed and excreted, and methemoglobinemia is no longer a concern. "Http: / / ohioline.osu.edu/b744 / b744_2.htmlNitrates are natural nitrogen-oxygen are found in almost all the vegetables we eat and the earth were grown in nitrate laboratory was also formulated and used in fertilizers. Nitrates are taken from vegetables or drinking. nitrates and nitrites are responsible for "blue baby syndrome." Adults are not affected by nitrates or nitrites, because their stomach acids that help fight bacteria that convert nitrate to nitrite production. This conversion and the resulting nitrite, which makes for nitrate poisoning or "blue baby syndrome." The name "blue baby syndrome" comes from the fact that nitrites hinder proper oxygen transport in red blood cells. "Once in the blood, nitrite oxidizes iron in hemoglobin in red blood cells to form methemoglobin, oxygen from hemoglobin, which is the character. 1 Without oxygen saturation at adequate blood, the oxygen-free cells in the body and the skin takes on a blue or purple. This oxygen deficiency can lead to the slow asphyxiation of the person poisoned.Symptoms are defined as: "The most obvious symptom of nitrate poisoning is a bluish skin color, especially around the eyes and mouth. This is the cyanosis. A baby with these symptoms should be taken to an emergency medical facility immediately. The doctor will take a blood sample to make sure the baby is suffering from poisoning by nitrates. The blood sample from an affected baby is a chocolate brown Instead of a healthy red color. nitrate poisoning can be treated, and in most cases the baby makes a full recovery. http://ohioline.osu.edu/b744/b744_2.htmlThe highest concentration of nitrates in water , root vegetables and green leafy vegetables like spinach, lettuce and other vegetables. The concentration of nitrate and the amount will vary depending on the type of plant, the temperature at which it occurred, exposure to sunlight, moisture soil and natural levels of nitrogen in the soil.Foods that tend to accumulate large amounts of nitrates are: spinach, chard, cabbage, broccoli and carrots. tubers such as carrots, beets and broccoli contain nitrates and a much lower level to do the leafys. mixed greens with spinach, collards or others, like kale. Studies on spinach and nitrates in particular have shown that improper storage and preparation, increasing nitrate levels. adequate preparation and immediate use or storage of frozen using the method will help eliminate this risk vegetables.As green vegetables in boiling water will not eliminate the concentration of nitrate and nitrates can actually seep into the water used for cooking, it is best not to use water as the liquid to puree.