香りの科学

Can a Functional Pseudogene Variant Help Explain Sensitivity to a Sweaty Odor?

High sensitivity to isovaleric acid was associated with a functional OR11H7P variant. Cell responses and shared sensitivity across four odors offer clues to individual differences in smell.

2026.10.19

香りの科学

Does Refrigeration Always Reduce Tomato Aroma? Four Days of Storage Tested

A study of five ripe tomato types found no significant sensory difference after four days at 7°C or 20°C when fruit was served at room temperature.

2026.10.19

香りの科学

Does It Matter Where You Put a Freestanding Deodorizer?

A model-kitchen experiment found different hydrogen sulfide reductions depending on placement, showing why airflow and room layout matter in product testing.

2026.10.19

香りの科学

Does the Smell of Cooked Beef Linger for an Hour? A Study of 40 Homes

Air samples from 40 homes showed lingering cooking odor after one hour, with kitchen ventilation run only during cooking. What do the measurements mean?

2026.10.19

香りの科学

Does the Metallic Smell After Touching Coins Actually Come from Your Skin?

A small chemistry study traced two smells of iron: one arising from reactions with skin lipids and another from the constituents of iron alloys.

2026.10.19

香りの科学

Can Heat and Humidity Change a Smell Even at the Same Concentration?

A study using model latrines separated climate from odor delivery to test intensity, pleasantness and the effect of adding a floral perfume.

2026.10.19

香りの科学

Tea Aroma Is Not Just About Water Temperature: Leaf Size and Brewing Time

A green-tea experiment followed aroma extraction over five minutes, showing how leaf size, water temperature and mineral content influence different stages.

2026.10.19

香りの科学

Can Odor-Producing Bacteria Move Between Towels in the Wash?

A study of towels used by 30 people traced bacterial transfer during washing and compared two detergents through microbial, chemical and human odor tests.

2026.10.19

香りの科学

Does Culture Determine Which Smells We Like? A Study Across Nine Societies

A study of 225 people in nine societies found shared odor rankings alongside large individual differences. What do culture and molecular properties explain?

2026.10.19

香りの科学

Could Sebum Oxidation Explain Odors in Washed and Dried Clothes?

Artificial-sebum fabric tests examined copper-driven odor formation and detergent formulations combining chelants with antioxidants.

2026.10.19

香りの科学