What immediate step should be taken after peeling celeriac flesh to prevent oxidation?
Answer
Submerge it in water, possibly with lemon juice or vinegar
Once the tough, uneven outer skin of the celeriac root is removed, the creamy white flesh underneath becomes vulnerable to rapid oxidation when exposed to atmospheric air, resulting in browning, similar to an apple. To effectively halt this enzymatic browning reaction immediately following preparation, the peeled flesh must be submerged entirely. This is best achieved by placing it in a bowl of water. To enhance the protective effect against discoloration, a small addition of an acidic substance, such as lemon juice or vinegar, is often recommended for the submersion water.
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