| 摘要 |
<p>PURPOSE:To remove astringency from astringent persimmons, uniformly, in a short time, by substituting the air in a vessel containing astringent persimmon with carbon dioxide gas, and circulating the carbon dioxide gas in the vessel optionally introducing vaporized alcohol to the gas. CONSTITUTION:The astringent persimmon 2 to be sweetened is put into the vessel 1, and the vessel 1 is closed. The air in the vessel 1 is substituted with carbon dioxide gas, and the circulation fan 8 is operated to circulate the carbon dioxide gas in the vessel 1.</p> |
