Edible water bottles by Ooho!

Courtesy: Skipping Rocks Lab

As far as I’m concerned, that looks more like a breast implant than a water bottle, which, from a psycho-social perspective, could lead to some interesting research papers. It is, in fact a new type of water bottle.  From an April 10, 2017 article by Adele Peters for Fast Company (Note: Links have been removed),

If you run in a race in London in the near future and pass a hydration station, you may be handed a small, bubble-like sphere of water instead of a bottle. The gelatinous packaging, called the Ooho, is compostable–or even edible, if you want to swallow it. And after two years of development, its designers are ready to bring it to market.

Three London-based design students first created a prototype of the edible bottle in 2014 as an alternative to plastic bottles. The idea gained internet hype (though also some scorn for a hilarious video that made the early prototypes look fairly impossible to use without soaking yourself).
The problem it was designed to solve–the number of disposable bottles in landfills–keeps growing. In the U.K. alone, around 16 million are trashed each day; another 19 million are recycled, but still have the environmental footprint of a product made from oil. In the U.S., recycling rates are even lower. …

The new packaging is based on the culinary technique of spherification, which is also used to make fake caviar and the tiny juice balls added to boba tea [bubble tea?]. Dip a ball of ice in calcium chloride and brown algae extract, and you can form a spherical membrane that keeps holding the ice as it melts and returns to room temperature.

An April 25, 2014 article by Kashmira Gander for Independent.co.uk describes the technology and some of the problems that had to be solved before bringing this product to market,

To make the bottle [Ooho!], students at the Imperial College London gave a frozen ball of water a gelatinous layer by dipping it into a calcium chloride solution.

They then soaked the ball in another solution made from brown algae extract to encapsulate the ice in a second membrane, and reinforce the structure.

However, Ooho still has teething problems, as the membrane is only as thick as a fruit skin, and therefore makes transporting the object more difficult than a regular bottle of water.

“This is a problem we’re trying to address with a double container,” Rodrigo García González, who created Ooho with fellow students Pierre Paslier and Guillaume Couche, explained to the Smithsonian. “The idea is that we can pack several individual edible Oohos into a bigger Ooho container [to make] a thicker and more resistant membrane.”

According to Peters’ Fast Company article, the issues have been resolved,

Because the membrane is made from food ingredients, you can eat it instead of throwing it away. The Jell-O-like packaging doesn’t have a natural taste, but it’s possible to add flavors to make it more appetizing.

The package doesn’t have to be eaten every time, since it’s also compostable. “When people try it for the first time, they want to eat it because it’s part of the experience,” says Pierre Paslier, cofounder of Skipping Rocks Lab, the startup developing the packaging. “Then it will be just like the peel of a fruit. You’re not expected to eat the peel of your orange or banana. We are trying to follow the example set by nature for packaging.”

The outer layer of the package is always meant to be peeled like fruit–one thin outer layer of the membrane peels away to keep the inner layer clean and can then be composted. (While compostable cups are an alternative solution, many can only be composted in industrial facilities; the Ooho can be tossed on a simple home compost pile, where it will decompose within weeks).

The company is targeting both outdoor events and cafes. “Where we see a lot of potential for Ooho is outdoor events–festivals, marathons, places where basically there are a lot of people consuming packaging over a very short amount of time,” says Paslier.

I encourage you to read Peters’ article in its entirety if you have the time. You can also find more information on the Skipping Rocks Lab website and on the company’s crowdfunding campaign on CrowdCube.

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