PR

香りの科学

香りの科学

Can a Fragrance Mix Test Identify the Responsible Ingredient?

A Swedish patch-test study distinguishes the small extra yield of routine HICC testing from the value of testing individual ingredients after a positive fragrance-mix result.
香りの科学

How Are Concentrations Chosen for Fragrance-Allergy Patch Tests?

A dose-finding study selected test conditions for five fragrance materials. Zero positive results did not establish the absence of consumer sensitization risk.
香りの科学

Can Oxidized Lavender Oil Trigger Contact-Allergy Reactions?

Patch testing in dermatitis patients found reactions to oxidized lavender oil that tests of its two main oxidized components did not always detect.
香りの科学

Can Musk Ambrette Stimulate Pathways Involved in Puberty?

Cell and zebrafish experiments identify receptor activity and developmental signals, not proof that perfume use causes earlier puberty in humans.
香りの科学

Does an Underarm Odor Molecule Have a Grapefruit-Like Mirror Image?

Research on 3M3SH links its S form to sweaty, onion-like odors and its R form to fruity, grapefruit-like and sulfurous impressions.
香りの科学

Do Cilantro and Stink Bugs Share an Odor Molecule?

Two studies identify (E)-2-decenal in stink bug emissions and coriander leaf essential oil, while revealing why essential oil is not the same as fresh-leaf aroma.
香りの科学

Can Mixing Strawberry and Caramel Aromas Create a Pineapple Note?

A study of two- and three-component odor mixtures shows how pineapple likeness depends on the molecules combined and the experience of the person smelling them.
香りの科学

Can Familiar Odors Make Memories More Vivid Than Pictures?

A study of 170 students found a vividness advantage for VapoRub odor over its image, but not vinegar, without establishing greater memory accuracy.
香りの科学

Can Apple Fragrance Change Heart Responses During Arithmetic?

In 25 young men, an apple fragrance reduced task-related cardiac changes compared with controls, without improving arithmetic performance.
香りの科学

Can Humans Follow a Scent Trail? The Role of Two Nostrils

A human scent-tracking study found benefits from practice and spatially separate nostrils, under controlled conditions with the nose near the ground.