Are preservatives bad for you? - Eleanor Nelsen
- Title:
- Les agents de conservation sont-ils dangereux?
- Description:
-
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View full lesson: http://ed.ted.com/lessons/are-preservatives-bad-for-you-eleanor-nelsen
Food doesn’t last. In days, sometimes hours, bread goes moldy, apple slices turn brown, and bacteria multiply in mayonnaise. But you can find all of these foods out on the shelf at the grocery store — hopefully unspoiled -- thanks to preservatives. But what exactly are preservatives? How do they help keep food edible? And are they safe? Eleanor Nelsen investigates.
Lesson by Eleanor Nelsen, animation by Compote Collective.
- Video Language:
- English
- Team:
- closed TED
- Project:
- TED-Ed
- Duration:
- 04:53
Mélanie Turcotte edited French (Canada) subtitles for Are preservatives bad for you? - Eleanor Nelsen | ||
Mélanie Turcotte edited French (Canada) subtitles for Are preservatives bad for you? - Eleanor Nelsen | ||
Mélanie Turcotte edited French (Canada) subtitles for Are preservatives bad for you? - Eleanor Nelsen | ||
Mélanie Turcotte edited French (Canada) subtitles for Are preservatives bad for you? - Eleanor Nelsen | ||
Mélanie Turcotte edited French (Canada) subtitles for Are preservatives bad for you? - Eleanor Nelsen | ||
Mélanie Turcotte edited French (Canada) subtitles for Are preservatives bad for you? - Eleanor Nelsen | ||
Mélanie Turcotte edited French (Canada) subtitles for Are preservatives bad for you? - Eleanor Nelsen | ||
Mélanie Turcotte edited French (Canada) subtitles for Are preservatives bad for you? - Eleanor Nelsen |