Toss apple slices with lemon juice
Toss apple slices with lime juice
Use diluted citrus juice in water
Coat slices with honey water
Soak slices in salt water briefly
Soak slices in sugar water briefly
Use ascorbic acid powder mixed with water
Dip slices in pineapple juice
Dip slices in white grape juice
Keep slices submerged in cold water
Store slices in an airtight container
Press plastic wrap directly onto the cut surface
Refrigerate apple slices promptly
Choose firmer, fresher apples
Cut apples just before serving
Use an anti-browning fruit preservative
Blanch slices briefly before storing
Vacuum seal the slices