| 摘要 |
Perfumed or perfume solution comprises primary aromatic matters dissolved in solvent and has oxygen level is less than or equal to 10 ppm, preferably less than or equal to 1 ppm. Independent claims are also included for: (1) solvent dissolving primary aromatic matters and being a precursor of solution as claimed, whose oxygen level is less than or equal to 10 ppm, preferably less than or equal to 1 ppm; and (2) a process for the production of the solution comprising preparation and manipulation of liquid phase containing primary aromatic matters in solvent, under gaseous phase, where liquid phase has oxygen level as quoted above and gaseous phase consists of neutral gas (preferably nitrogen) or mixture of such gases. |
