Sulfur-containing compounds are often added to dried foods like apricots as preservatives to help prevent oxidation and bleaching of colors. The sulfites used to help preserve dried apricots cause adverse reactions in an estimated one out of every 100 people, who turn out to be sulfite sensitive.
At the end of 18 months, however, the pear-shaped people had gained back half of the weight they had lost on either diet. Apple-shaped people gained back almost 1.4 of the 2.3 kg they lost on the low-fat diet but kept off all the weight they lost on the low-glycemic diet.
So it is safe to eat low levels of formaldehyde and we all do so every day. I have put a link to some published figures below. Pears have one of the higher values at 60 ppm.he quantities are low but even so I am not at all keen on the idea of biologically active breakdown products spontaneously forming on the skin. DMDM Hydantoin hasnât been shown to have this problem, but the molecule itself turns out to sensitise a reasonable number of people.