Abstract: The present invention provides a flavor and/or fragrance composition having a natural scent of Jasminum sambac, which is characterized by adding at least one ingredient selected from the group consisting of 3,7-dimethyl-1,5-octadiene-3,7-diol, 2,6-dimethyl-1,7-octadiene-3,6-diol, and dehydrolinalool to a base composition having, as a keynote, Jasminum sambac flower-like scent. The total amount of the scent ingredients is preferably 0.01 to 20% by mass of the whole flavor and/or fragrance composition.

Abstract: A toothed belt with improved durability and low noise level during operation having a foundation fabric 2 adhesive-bonded along the engaging surface 5 thereof, wherein the yarns of said foundation fabric 2 extending in the longitudinal direction of the toothed belt comprise a plurality of false-twisted yarns false-twisted in the same false twist direction; the foundation fabric 2 is formed by weaving said yarns and the yarns crossing said yarns in a double-faced twill pattern and is located where the face of said foundation fabric 2 with fewer of said exposed false-twisted yarns is exposed to the front face.