News International Sugar Journal

Plant polyphenols can be effectively used as antibacterial coating [Registered]

Researchers at Northwestern University researchers have discover that plant polyphenols make an excellent antibacterial coating, too. Polyphenols are naturally occurring molecules found in plants whose functions include structural support and defense against bacteria and oxidative damage. Polyphenols are sticky, and the researchers exploited this useful property, while also retaining some of the compounds’ well-known biological properties. They made new multifunctional coatings based on tannic acid and pyrogallol — inexpensive compounds resembling the more complex polyphenols found in tea, wine and chocolate. Simply dissolving polyphenol powder in water with the proper dash of salt quickly produces colorless coatings that have antioxidant…

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