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New Spray-On Coating Prevents Bananas From Rotting

New Spray-On Coating Prevents Bananas From Rotting
Innovation

Scientists have developed a special formula that keeps the fruit fresh for up to two weeks.

Yi Chen
  • 27 august 2012

Scientists from Tianjin University of Science and Technology in China have developed a special formula that is able to prolong the life of bananas after they are picked. The unique spray-on coating is made from a type of hydrogel that can keep the fruit fresh for almost two weeks.

A banana in perpetual state of rotting; Andy Warhol

The hydrogel coating works by killing off a certain bacteria that causes the fruit to rot, which allows the banana to ripen more slowly. The coating also slows down the rate at which the banana breathes, as the faster a banana breathes, the faster it rots. The spray-on coating is clear and tasteless, and safe for consumers (even though most people don’t even eat the banana peel!). Dr. Xihong Li, the lead scientist of the research team, hopes that a commercial version of the spray will soon be available for consumers, supermarkets, and for use during transport. Li recently presented his finding at the 244th National Meeting & Exposition of the American Chemical Society in Philadelphia, USA.

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