| 摘要 |
<p>PURPOSE:To keep the freshness of a food, especially a fresh food such as fish and shellfish, for a long period, by using an ice containing a composition composed of an iron (II) compound and L-ascorbic acid. CONSTITUTION:A food is cooled or refrigerated with an ice containing 0.01- 0.5W/V% of a composition composed of (A) at least one iron (II) compound selected from ferrous sulfate, ferrous chloride and ferrous nitrate and (B) 2- 30wt%, preferably 3-10wt%, based on the iron in the iron (II) compound, of L-ascorbic acid.</p> |
