2.3.1. Extraction method for separation of hydrophilic and lipophilic extracts
A modified method of was used to separate the hydrophilic and lipophilic extracts of different fractions of tomatoes. In brief, 0.5 g of finely ground freeze-dried tomato fraction was extracted twice with 10 ml hexane, in the dark, followed by centrifugation at 3400 rcf for 10 min. The lipophilic extract was prepared by drying a known volume (4 ml) of the hexane extract under nitrogen flow. This was then redissolved in 0.5 ml of 100% acetone and vortexed for 2 min followed by addition of 1.5 ml of 80% acetone.