消臭の豆知識
What varieties of methods are there for deodorizing?
Chemical deodorizing… methods using a chemical reaction between a deodorizing component and the components causing odors, rendering them odorless
Physical deodorizing… methods using substances which block out or envelop the components causing odors.
Biological deodorizing… methods preventing bacterial growth of causing unpleasant odors.
Sensory methods… methods of enclosing bad odors within fragrant components.
What are the sources of odors?
Ammonia
Trimethylamine
Hydrogen sulfide
Methyl mercaptan
Acetic acid
Isovaleric acid
the smell of toilets, sweat odor
the smell of rotting fish
the smell of rotting eggs
the smell of rotting vegetables (onions)
the smell of sweat
the smell of sweat, foot odor
4大悪臭
Why does sweat smell?
Sweat contains a number of odoriferous chemical compounds, such as Ammonia, Acetic Acid and Isovaleric Acid.
Odor strength
Smell experienced
Odorless
Barely noticeable odor
An odor to be able to tell what
An easily detectable odor
A strong smell
An awful stench