<http://schema.org/description>
"Check your pantry now. Do you have a box of baking soda or a canister of baking powder tucked on a back shelf? It's probably been there since who knows w..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.huffingtonpost.com/2012/02/21/how-to-test-baking-soda-and-powder_n_1292128.html>