Symptoms of Formaldehyde Exposure Include:
Formaldehyde can be found naturally in some foods, including:
Note 1: Even if formaldehyde is detected in milk at concentrations less than 5 ppm, it should not be given to children.
Note 2: The concentration of formaldehyde in foods such as milk and meat declines as the food ages.
Note 3: Some crushed fruits and vegetables may contain large amounts of formaldehyde. This includes fresh and in particular old Shitaki and black mushrooms, which can have as much as 75-100 ppm formaldehyde that may INCREASE as the food ages. People sensitive to formaldehyde should avoid eating FRESH uncooked mushrooms and wash them before eating.
Note 4: The concentration of formaldehyde in old fruits and vegetables increases as they start to spoil, in particular if kept unrefrigerated and/or open to light and air.