Scientists unravel the mysteries of what makes chocolate yummy and even good for you.
By Emily Sohn, 00:00 AM January 31, 2005
For a lot of people, there's no better taste combo than chocolate and nuts. For food scientists, though, this combination is a major headache.
This candy bar combines chocolate and peanuts.
Nuts contain oil, says Greg Ziegler, who studies chocolate at Pennsylvania State University. The nut oil tends to seep, or diffuse, into the chocolate. This process softens the chocolate, which also turns a chalky color. People no longer want to eat it.
Oil diffusion is just one of many problems that...
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