Birch, Stewart, Kolasch & Birch, LLP
Extraction method of flavor constituent and manufacturing method of composition element of favorite item
An extraction method of a flavor constituent comprises: a step A for heating a tobacco raw material which is subjected to an alkali treatment; and a step B for bringing a release component released in the gas phase in the step A into contact with a collection solvent at normal temperature until any time from when a first condition is satisfied to when a second condition is satisfied. The total amount of saccharides contained in the tobacco raw material is 9.0 wt % or less when a gross weight of the tobacco raw material in the dry state is 100 wt %. The first condition is determined based on variations in the pH of the collection solution. The second condition is determined based on the remaining amount of nicotine component.
JAPAN TOBACCO INC.
A A A A
A24B A24B A24B A24B
inventional inventional inventional inventional
Takuma Manabu Yoshinori
Nakano Yamada Fujisawa