Oxidative Stability Test
Gallic acid and alkyl gallates at a concentration of 1.2 mM were added
to 3 g of stripped soybean oil. Rancimat (Metrohm 743, Herisau,
Switzerland) test was performed at 120°C with a 15 L/h airflow rate to
measure oxidative stability index (OSI)
(Delfanian et al., 2015).