By Joanne from Las Vegas, NV
Here are the recent answer to this question.
By Anonymous 08/18/2010
To be careful and safe do a test even if they are not glazed even though it's highly unlikely unglazed contains lead. One more thing to know is that glazed terracotta manufactured for cooking/serving use, including utensils such as spoons, should be tested if made in Mexico or Asia because of the use of lead in their terracotta products.
This link is to a government document that discusses lead and the safety of children.
On page 8, #17 is says:
17. Imported brightly colored mugs, dishes and terra cotta pots often contain lead. This lead can leach into your food during cooking, serving or storage.
Solution: Test dishes with inexpensive home lead test kits available at local hardware stores. If a test is positive for lead, discontinue use.
I wouldn't do it. Glazed or unglazed, they may contain dangerous amounts of lead. If you are determined to dine from these things, use them as decorative chargers and place a safe plate on top of them.
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