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\nTED-Ed: Are food preservatives bad for you? - Eleanor Nelsen\n

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\n\nPublisher:\n\nTED-Ed\n\n\n
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\nFood 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...\nFood 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.\n
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Resource Details

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Curator Rating
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Educator Rating
Not yet Rated
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Media Length
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4:53
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Grade
Pre-K - Higher Ed
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Subjects
STEM
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Media Type
Instructional Videos
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Source:
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\nTED-Ed\n\n
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Date
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2016
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Language
English
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Audiences
For Teacher Use
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Usage Permissions
Fine Print: Educational Use
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Concepts

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public health, food, microbes, salt, smoke, compounds, bacteria, oxidation, enzymes, fungi, acids, cheese
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Additional Tags

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life sciences, science & technology, consumer health, health, free radicals, benzoic acid, sorbic acid, cured meats, chemical change, antioxidant preservatives, chemical, moldy, find, found, flavor, refrigeration, foods, preservatives, safe, shelf, botulism, prevent, types
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Classroom Considerations

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Best For: Explaining a topic
Video is ad-free
Usage Rights: Fine Print - Editing not permitted
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