Effect of Fruit Elicitation With Melatonin on Human Health

Participants will consume 300 g of juice prepared from untreated fruits (lemon, blood orange, or sweet cherry) under fasting conditions on the intervention day. Urine samples will be collected at 0-3.5 h, 3.5-12 h, and 12-24 h post-consumption to assess absorption and metabolism of bioactive compounds.

Participants will consume 300 g of juice prepared from fruits (lemon, blood orange, or sweet cherry) treated preharvest with melatonin (0.1, 0.3, or 0.5 mM). Juice will be consumed under fasting conditions on the intervention day. Urine samples will be collected at 0-3.5 h, 3.5-12 h, and 12-24 h post-consumption to assess absorption and metabolism of bioactive compounds.