Orange, lemon and carrot (OLC) mixed juice: orange
and lemon juice were squeezed from ripe Valencia late
(Morocco), Navelina or Navel, late oranges and lemons
(Spain) using a household electric juice squeezer (Braun,
Germany). Carrot juice was extracted from carrots
(Lange Riese ohne Herz) by means of a vegetable juice
extractor (Saftomat).