Table 4. Interpretation of rice bran oil (RBO) quality based on p-anisidine value (p-AV)1)

Quality category p-AV Interpretation of oil quality
Very good (premium) <2.0 The oil is extremely fresh, and the extraction process is perfect
Good (industry standard) 2.0-10.0 Suitable for consumption, controlled oxidation
Not good 10.0-20.0 Beginning to become rancid, short shelf life.
Damage/off-grade >20.0 Heavily oxidized, unsuitable for food
Source: Hishamuddin et al. (2020), AOAC (2019).