Laundry Warriors Seeking the Perfect Climate Mushroom

Laundry Warriors Seeking the Perfect Climate Mushroom

Group of orange fungi photographed at the King's Landing Historical Settlement in Prince William, New Brunswick, Canada.

Group of orange fungi photographed at the King’s Landing Historical Settlement in Prince William, New Brunswick, Canada. By M KubicaOwn work, CC BY 3.0, Link

Guest essay by Eric Worrall

Worried about all the strange biological additives in your laundry liquid? Its about to get a lot weirder.

Fighting Climate Change, One Laundry Load at a Time

Experts in the study of fungi are playing a bigger role in improving laundry detergents and, by extension, leading efforts to cut energy use.


COPENHAGEN — A Danish biotechnology company is trying to fight climate change — one laundry load at a time. Its secret weapon: mushrooms like those in a dormant forest outside Copenhagen.

In the quest for a more environmentally friendly detergent, two scientists at the company, Novozymes, regularly trudge through the mud, hunting for oyster mushrooms that protrude from a fallen beech or bracken fungi that feast on tough plant fibers. They are studying the enzymes in mushrooms that speed up chemical reactions or natural processes like decay.

“There is a lot going on here, if you know what to look for,” said Mikako Sasa, one of the Novozymes scientists.

Their work is helping the company develop enzymes for laundry and dishwasher detergents that would require less water, or that would work just as effectively at lower temperatures. The energy savings could be significant. Washing machines, for instance, account for over 6 percent of household electricity use in the European Union.

Modern detergents contain as many as eight different enzymes. In 2016, Novozymes generated about $2.2 billion in revenue and provided enzymes for detergents including Tide, Ariel and Seventh Generation.

The quantity of enzymes required in a detergent is relatively small compared with chemical alternatives, an appealing quality for customers looking for more natural ingredients. A tenth of a teaspoon of enzymes in a typical European laundry load cuts by half the amount of soap from petrochemicals or palm oil in a detergent.

Enzymes are also well suited to helping cut energy consumption. They are often found in relatively cool environments, like forests and oceans. As a result of that low natural temperature, they do not require the heat and pressure typically used in washing machines and other laundry processes.

In 2009, Novozymes scientists teamed up with Procter & Gamble to develop an enzyme that could be used in liquid detergents for cold-water washes. Researchers started with an enzyme from soil bacteria in Turkey, and modified it through genetic engineering to make it more closely resemble a substance found in cool seawater. When they found the right formula, they called the enzyme Everest, a reference to the scale of the task accomplished.

“We knew this was something that consumers would want,” said Phil Souter, associate director of Procter & Gamble’s research and development unit in Newcastle, England. “I think this is a very tangible and practical way people can make a difference in their everyday lives.”

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Water shortages are surely a reason to build more reservoirs, not to cut down on family water usage.

I’m not sold on all this laundry enzyme business. I’m sure Novozymes are conscientious in their safety research efforts, but my family always uses non-bio detergent due to past allergic skin reactions to laundry enzymes. Enzymes have their place in industry and waste disposal, but the thought of placing my allergies in contact with the residue of exotic new biologicals doesn’t exactly fill me with enthusiasm.

Superforest,Climate Change

via Watts Up With That?

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