Radishes and horseradish have the same chemical causing the punch. There's a reason horseradish should be kept cold to maintain the punch.
The isocyanurate (sp?) Breaks down quickly, faster with heat. A quick dip in vinegar can help retain it longer but I don't think it's enough for cooking.
The isocyanurate (sp?) Breaks down quickly, faster with heat. A quick dip in vinegar can help retain it longer but I don't think it's enough for cooking.