PR

香りの科学

香りの科学

Why Can Underarm Odor Have a Metallic Note?

Metallic and mushroom-like compounds were investigated in underarm odor. Laboratory models explored their formation from iron and fatty acids and inhibition by plant extracts.
香りの科学

Can Scalp Odor Be Converted into Fragrance Compounds?

A study explored fragrance ingredients that reduced sebum-derived fatty acids and converted some into esters, using microbial and enzyme models alongside shampoo and conditioner tests.
香りの科学

The Same Aroma Compound, Guava or Cat Urine? How Wine Changes the Smell

Two Sauvignon blanc aroma compounds were added in trace amounts to water and white wines. Descriptions changed with concentration, medium, and the combination of compounds.
香りの科学

Food-Waste Odor: The Most Abundant Compound Is Not Always the Main Player

A study of samples from seven households combined chemical analysis with smelling individual compounds. Diacetyl emerged as a shared candidate, but its amount alone did not predict the strongest food-waste odor.
香りの科学

Why Indole Is Part of Jasmine Tea’s Floral Aroma

A study of jasmine-scented green tea examined how floral volatiles, including indole, are taken up, retained, and changed during repeated scenting and heating.
香りの科学

A Pleasant Scent with an Unpleasant Ingredient: How Does the Brain Respond?

An fMRI study of a jasmine model mixed with indole found that pleasantness, unpleasantness, and intensity were represented differently across brain regions, even when the mixture felt pleasant overall.
香りの科学

Can Changing Your Own Odor Change the Impression Your Behavior Makes?

Men who used a spray containing fragrance and antibacterial ingredients were rated as more attractive in silent videos. The experiment examined their self-confidence and the impressions formed by others.
香りの科学

Will You Still Like the Same Smell Three Months Later?

Women’s preferences showed some consistency even for fresh body-odor samples collected from the same men three months later. Comparisons with fragrances and facial photographs explore preference stability.
香りの科学

Can Receptors in the Nose Affect How a Smoky Odor Is Perceived?

A study broadly examined functional differences between olfactory receptor variants. Less responsive OR10G4 variants were associated with weaker, more pleasant guaiacol ratings, but not with the same pattern for vanillin compounds.
香りの科学

Can Three Bacterial Species Reproduce the Smell of a Damp Cleaning Cloth?

Cotton supplemented with three bacterial species and bovine tallow reproduced wet-fabric malodor. The experimental model was used to analyze odor compounds and compare malodor development after washing.