All mayonnaise samples were aseptically
transferred to sterile 200 ml glass jars tightly
sealed and stored for 24 hrs. at room temperature
(25 – 30ºC) before testing. All treatments were
prepared in three batches 500gm each.
Other ingredients were the same in all
formulations (vinegar (5% w/w) 11%; dried egg
yolk 2%; salt 2%; sugar 1%; mustard 1%; lemon
juice 0.1%; potassium sorbate 0.1%; sodium
benzoate 0.1%; α-tocopherol 240 mg/Kg
mayonnaise).