Abstract: A low concentration of polyphenols, particularly flavonoid compounds, such as flavonols, and more particularly catechin compounds, employed as additives to compositions containing sweeteners and/or flavoring agents, or both, significantly enhanced the sweetness and flavor and especially, extended the sweetness and flavor time. A composition, such as chewing gum, which comprises a sweetening or flavoring agent, or both, and a sweetness or flavor extending or enhancing amount of a flavonoid compound, such as a catechin compound. A method of extending and enhancing the flavor and sweetness of a composition, such as chewing gum, food or beverage, which method comprises incorporating onto or into the composition a flavor or sweetness extending or enhancing amount of a flavonoid compound, such as a catechin compound.

Abstract: A method for identifying and locating dental microorganisms and a device for use in the method, wherein a strip of flexible material, having a back site identifying surface and a front velvet-like surface, is placed in contact with a selected site in the oral cavity, to retain microorganisms on the velvet-like surface, and then the microorganism-containing surface is used to transfer the microorganisms onto suitable substrates that will make possible their identification.