thousands of flavors that we can feel, can be divided into 10 major categories, the scientists said.
Professor Jason Castro (Jason Castro) from Bates College, and Professor Chennubhotla Chakra (Chakra Chennubhotla) from the University of Pittsburgh with a computer method reduced all smells to the basic flavors.
tested the 144 smell, they found that they can be grouped into 10 categories.
10 categories were identified because they reflect important characteristics relating to our world, such as the danger of food and so on.
Knowing these basic categories, you can create new smells.In the future, scientists hope to learn how to detect scent based on its chemical structure.They also tested their theory on more complex odors, such as perfume.
"In reality, any natural odor is a complex mixture of 10 different categories," - said Jason Castro.
10 major categories of smells :
1. Sweet
2. Wood / coniferous
3. Fruit (not citrus)
4. Chemical
5. Peppermint
6. Sweet
7. Popcorn
8. Lemon
9. Acute
10. Rotten
pleasant and unpleasant odors
As is well known, "the taste and color of comrades is not present", but scientists have found that there are five fragrances that most people thinkpleasant.Israeli scientists have tested a variety of odors and found that many are considered universally pleasant odors in different parts of the world.
That smells that counted the most pleasant:
- Lime
- Grapefruit
- Bergamot
- Orange
- Peppermint
Also in the top 10 fragrances were:
- Freesia (flower)
- Amyl acetate (a molecule that smells like apples and bananas)
- Cassia (smell like cinnamon)
- Mimosa
- Fir
Among the odors were described as "carboxylic acids or amines and cyclohexanol" that produce sharpvinegar odor.
How to get rid of unpleasant odors in the home
Here are a few tips to help you quickly and effectively get rid of unpleasant odors in your home.
smell of urine
vinegar kills bacteria and helps to get rid of the smell of urine.Mix one part vinegar to three parts water and rub with a cloth in the carpet.Then rinse the carpet with water and leave to dry.
Cat smell
Activated charcoal absorbs different smells, especially your pets.Place the bag with several pills of activated carbon or near the litter box.
The smell from the washing machine
Since the washing machine door is often closed, the air is badly circulated, and it becomes a source of mold that causes bad breath.To get rid of it, fill the measuring cup bleach and turn to no laundry in warm or hot water.
smell in the refrigerator
Put on the shelf of the refrigerator an open box of baking soda and periodically once a year to change.Soda has unique chemical properties that attract and absorb odors.Try to keep the ash away from the vegetables as sodium bicarbonate may result in that the leafy vegetables are fast fade.
Articles Source: infoniac.ru, bbc.co.uk
