Minecraft wiki entry for Enchanted_Golden_Apple, associated text: Absorption IV for 2 minutes (providing 16 × 8 points of absorption health)
Regeneration level II in Java Edition or V in Bedrock Edition for 30 seconds (in Java Edition, 1 is restored every 25 ticks, × 0.4 per second) for 20 seconds (long enough to heal 16 × 8 points of damage; in Bedrock Edition, 1 is restored every 6 ticks, × 1.66 per second for 30 seconds, which is long enough to heal up to 100 × 50 points of damage.
Fire Resistance I for 5 minutes
Resistance I (20% reduced damage from all sources except the void) for 5 minutes