| 摘要 |
PURPOSE:A preservative for freshness of food capable of preserving freshness of vegetable, fruit, meat, etc. for a long time by sprinkling or applying it to them, consisting of an aqueous solution containing L-ascorbic acid and a ferrous (II) compound. CONSTITUTION:The titled preservative consisting of an aqueous solution containing usually 0.1-30wt%, preferably 1.0-20wt% total amount of at least one ferrous(II) compound selected from ferrous sulfate, ferrous chloride, and ferrous nitrate and 2-30wt%, preferably 3-10wt% L-ascorbic acid based on iron in the ferrous(II) compound.
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