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Do the fatty acids in olive oil convert to trans fatty acids when heated?

 The hydrogenation process that results in the formation of trans fatty acids is a drastic procedure involving the use of hydrogen, high pressure, a catalyst and sometimes high temperatures. These conditions are more extreme than the heating that takes place in normal cooking. Therefore, it is not likely that the fatty acids in olive oil are converted to trans fatty acids upon heating.

Is there a law that requires food labels to list ingredients that commonly cause food allergies?

The Food Allergen Labeling and Consumer Protection Act of 2004, which went into effect in January 2006, requires that food labels identify in plain English if the product contains any of the eight major food allergens: milk, eggs, fish, crustacean shellfish, peanuts, tree nuts, wheat and soybeans.

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The Food and Nutrition Information Center (FNIC) is a leader in online global nutrition information. Located at the National Agricultural Library (NAL) of the United States Department of Agriculture, the FNIC website contains over 2500 links to current and reliable nutrition information.

The Food and Agriculture Act of 1977 (Farm Bill) established the Food and Nutrition Information and Education Resources Center (later known as the Food and Nutrition Information Center, or FNIC) as a permanent entity within NAL. (see p.26 of PDF).

FNIC strives to serve the professional community (including educators, health professionals and researchers) by providing access to a wide range of trustworthy food and nutrition resources from both government and non-government sources. The FNIC website provides information about food and human nutrition. The materials found on this website are not intended to be used for the diagnosis or treatment of a health problem or as a substitute for consulting a licensed health professional.

To learn more about FNIC's content and linking policy, please review the webmaster section of the Frequently Asked Questions.  

The use of trade, firm, or corporation names in this website (or in website pages) is for the information and convenience of the reader. Such use does not constitute an official endorsement or approval by USDA or the Agricultural Research Service (ARS) of any product or service to the exclusion of others that may be suitable. Likewise, some databases available on the FNIC website include resources from "non-government entities." Inclusion of these materials in a database does not constitute endorsement or recommendation by FNIC or the U.S. Government.

If you have a question related to food and nutrition please use the Ask a Question form. For questions about the FNIC website email: FNIC@ars.usda.gov

In person: FNIC Specialists can assist you Monday-Friday, 8:30 a.m.-4:30 p.m. EST at the National Agricultural Library (NAL) in Beltsville, Maryland.

By phone: Call (301) 504-5414 to talk to an Information Specialist

By mail:

Food and Nutrition Information Center

USDA ARS National Agricultural Library

10301 Baltimore Avenue,

Beltsville, MD 20705-2351

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