食べ物・暮らしの香り

The Science of Scent

Why Do Refrigerated Tomatoes Lose Aroma? Changes Inside the Fruit

A 2016 study traced aroma loss in ripe tomatoes to altered volatile production, gene expression, and DNA methylation, and helps explain why storage conditions matter.
The Science of Scent

Does Coffee Bean Storage Temperature Change the Aroma in the Cup?

A study stored opened coffee beans at 5°C and 20°C for one month, then compared their compounds and the sensory qualities of the brews. The effects of cool storage did not appear in the same way in cold brew and espresso.
The Science of Scent

Can the Smell of Food Increase How Much We Actually Eat?

A study in which 32 people experienced four food odors and an odorless condition. We explore the increased food intake with chocolate odor and the differing results for appetite and saliva.
The Science of Scent

Should Room Fragrance Run Continuously? A Study of Intervals and Comfort

Does keeping a room fragrance running make it more pleasant? A study comparing sweet orange essential-oil diffusion intervals separates scent perception and preference from performance on attention tasks.
The Science of Scent

Can Aroma Change the Astringency of Wine?

Fourteen people evaluated 74 red wines and their corresponding deodorized samples. The study examines how aroma relates to the nuances of astringency, sweetness and bitterness, and the relationship between composition and mouthfeel.
The Science of Scent

Can the Smell of a Bottle Change Our Impression of Shampoo?

Fifty-eight people evaluated recycled-material bottles containing unscented shampoo. The relationship between odor pleasantness and willingness to buy reveals packaging challenges that environmental information alone did not resolve.
The Science of Scent

Do Pleasant-Smelling Stores Encourage More Spending?

A study of 57 customers at a second-hand clothing store found higher reported spending during a linen-scent period. Comparing it with another similarly pleasant scent highlights the meanings connecting scent and products.
The Science of Scent

Does the Effect of Detergent Fragrance Depend on Where It Is Used?

Does a detergent-like fragrance encourage washing simply because it is pleasant? A study comparing a laundry VR scene with a still image found context-dependent differences in hand movements, sniffing, and evaluations of cleaning liquid.
The Science of Scent

Does Sweat Odor Linger Differently Depending on Clothing Material?

Does the release of odor compounds absorbed from artificial sweat depend on clothing material? A study of six fibers from 30 minutes to 24 hours explores differences between materials, times, and compounds.
The Science of Scent

Does the Way Clothes Dry Change Their Smell?

Researchers washed T-shirts worn by 31 people and dried them in two environments. Changes in odor compounds and bacteria offer clues to why smells return after washing.