Sticking power of plant polyphenols used in new coatings

Researchers have exploited the powerful and healthful polyphenols found in green tea, red wine and dark chocolate in a new way. Polyphenols are also sticky, and the researchers have used this property to make new multifunctional coatings based on inexpensive compounds that can stick to virtually anything, including Teflon. Simply dissolving polyphenol powders in water with the proper dash of salt quickly produces colorless coatings that have antioxidant properties, are non-toxic and can kill bacteria on contact.

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