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Science Quickly

Chocolate Makers Cut Fat with Electricity

Science Quickly

Scientific American

Science

4.2639 Ratings

🗓️ 23 June 2016

⏱️ 3 minutes

🧾️ Download transcript

Summary

Reducing fat from chocolate can gum up manufacturing equipment, making low-fat chocolate hard to produce—but an electric field can help. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices

Transcript

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0:00.0

Understanding the human body is a team effort. That's where the Yachtel group comes in.

0:05.8

Researchers at Yachtolt have been delving into the secrets of probiotics for 90 years.

0:11.0

Yacold also partners with nature portfolio to advance gut microbiome science through the global grants for gut health, an investigator-led research program.

0:19.6

To learn more about Yachtolt, visit yawcot.co.j.j, that's y-A-K-U-L-T-C-O-J-P.

0:28.4

When it comes to a guide for your gut, count on Yacolt.

0:33.7

This is Scientific American's 60-second science.

0:37.2

I'm Christopher in Taliatta.

0:38.3

Chocolate may appear to have little in common with crude oil, but production for consumers requires that both substances travel through pipes.

0:46.3

And the thicker, that is, the more viscous they are, the more likely they'll clog up those pipes.

0:52.3

So physicists at Temple University in Philadelphia

0:55.2

have devised an unusual solution to avoid that sticky situation. Apply an electric field.

1:02.0

The process relies on a concept called electroreology, in which a fluid can morph from a liquid

1:07.5

to a jello-like consistency, or the other way around, under an electric field.

1:12.8

The field causes particles in the fluid, like paraffin and asphalt particles in crude oil,

1:18.0

or the cocoa and milk solids in chocolate, to act like tiny bar magnets and line up into chains.

1:25.1

The team's latest finding could be a boon for the production of low-fat

1:28.5

chocolate, because cutting the fat content of chocolate tends to jam up the pipes, what you

1:34.3

might call the Augustus Gloop effect.

1:36.2

Call a plumber. Stook in the pipe there, isn't he? Wonka? It's his stomach that's done that.

1:41.3

He's blocking all the chocolate. But that blockage can be cleared by applying an electric field of 1,600 volts per centimeter,

1:49.0

parallel to the chocolate's flow.

1:51.0

The effect would allow chocolatiers to cut cocoa butter by 10 to 20% and still not clog the pipes.

...

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