New Method Identifies Food Additives Fast

Armen Hareyan's picture
Food additive
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Scientists in Italy are reporting development and successful use of a fast new method to identify food additives that act as so-called "xenoestrogens" - substances with estrogen-like effects that are stirring international health concerns.

They used the method in a large-scale screening of additives that discovered two additives with previously unrecognized xenoestrogen effects. Their report appears in the current edition of ACS' Chemical Research in Toxicology, a monthly journal.

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In the study, Pietro Cozzini and colleagues cite increasing concern about identifying these substances and about the possible health effects. Synthetic chemicals that mimic natural estrogens (called "xenoestrogens," literally, "foreign estrogens") have been linked to a range of human health effects. They range from reduced sperm counts in men to an increased risk of breast cancer in women.

The scientists used the new method to search a food additive database of 1,500 substances, and verified that the method could identify xenoestrogens. In the course of that work, they identified two previous unrecognized xenoestrogens. One was propyl gallate, a preservative used to prevent fats and oils from spoiling. The other was 4-hexylresorcinol, used to prevent discoloration in shrimp and other shellfish.

"Some caution should be issued for the use of propyl gallate and 4-hexylresocrinol as food additives," they recommend in the study

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