Root

The Science of Scent

Can Sweat from a Happy Mood Change Responses? An Experiment with Added Perfume

Sweat collected during a positive mood produced differences in receivers’ heart rate and idea-generation tasks compared with neutral-condition sweat. The study also compared physiological and perceptual responses with added perfume.
The Science of Scent

Does an Unpleasant Odor Slightly Slow an Approach Action?

After synthetic body odor, participants were slower to press a key to approach an on-screen perfume bottle. Alongside a sound experiment, the study explores behavioral measures of preferences.
The Science of Scent

Olfactory White: Similar Smells from 30 Different Ingredients

Matching perceived intensity across a broad range of odorants made mixtures smell similar without shared ingredients. Tests explored naming, six-month memory, and rose recognition.
The Science of Scent

Do Humans and Fruit Flies Group Fruity Odors Differently?

Humans and fruit flies shared many odor-intensity rankings but differed in similarity groupings. A study compared human judgments with fly behavior.
The Science of Scent

Can Heart Rate and Sweating Reveal Your Favorite Perfume?

Physiological responses distinguished broadly different odors but were less sensitive to perfume preferences. Facial muscles retained small differences.
The Science of Scent

Do Soft and Clear Describe More Than a Fragrance’s Sensory Qualities?

A study selecting nine sensory adjectives for concise fragrance descriptions also found associations between softness and relaxation, and between clarity and uplifting impressions.
The Science of Scent

Head Odor Is Not Made by Just One Compound

A study examined volatile compounds from the head, changes in bacteria after hair washing, and an odor reconstruction by perfumers, revealing a picture built from multiple compounds.
The Science of Scent

Animalic Notes in Coffee: Trace Aroma Compounds Changed by Heat

A heating experiment modeling canned coffee found changes in five trace compounds, including skatole. Human noses and instrumental analysis explored why the aroma changed.
The Science of Scent

Making Ambergris Fragrance Precursors with Enzymes and Light

A study combined modified and original enzymes to improve ambrein yield. It also examined fragrance compounds formed by light and effects in cultured cells.
The Science of Scent

Does Leaving Home Quickly Reverse Adaptation to Its Scent?

Eight women exposed to the same odor at home for two weeks became less sensitive to it. The study examined differences from short-term adaptation and recovery after removal.