The reason why the clothes that were supposed to wash and the towels soon smelt the cloud was revealed

"When I went out sprinkled wearing a just-washed shirt, I got a sweat at a stroke just by lightly sweating it, and it got stinky at once, I felt bluish for a day." "If I was wiping the body with a towel as it took off the bath, I wash it It is supposed to be somehow smelly though it is supposed to be ... "... It seems that there are people who have experienced things ... ... the cause became clear.

Details are as below.
News release Reveal the causative fungus of clothing occurring after washing | Kao Corporation

According to the press release announced by Kao, concerning the cloth-like odor called "raw dumpling odor" which many consumers perceive as an unpleasant smell which occurs as soon as it starts to be used even though it was washed well, its cause It has already been clarified that the component to become "4-methyl-3-hexenoic acid (4M3H)" of fatty acid, but succeeded in isolating the causative microorganism producing 4M3H and identifying the species I heard he did.

This is based on analysis of 19 clothing such as T-shirts and towels having a widespread odor from households, extraction of adhering microorganisms, culturing on agar medium and separation, The causative microorganism was a double bacillus called "Moraxella fungus", it turned out to remain in clothing even after washing, and it turned out to produce a strong cloth-like smell during use of clothes and preservation of clothes.

Electron micrograph of 4-methyl-3-hexenoic acid and Moraxella


In addition, since Moraxella bacteria are present not only in the clothes being kept but also in various places in the home, it is considered important not only to remove dirt but also Moraxella bacteria at washing, and the results of this time Will be applied to the development of new clothing washing technology.

Whether detergents that can remove Moraxella fungi in the future will be developed or not yet has not been clarified yet, but if you can get into productization, it will be easier for people who have been bothered by raw drought odors It seems that we can gather broad support.