The viscosity of BO was similar to that of peanut and olive oils,
and more viscous than the most common refined frying oils from
Brazilian market (Table 2). It was also slightly higher than the viscosity
reported by Karleskind (1992) for hazelnut oil (66e76 mPa s).
Some viscosity data differ to a small degree from the literature.
Peanut oil viscosity was slightly higher than the range of
68e77 mPa s reported by Karleskind (1992), whereas the viscosity
of olive oil of producer 1 was slightly lower than the range of
75e80 mPa s reported by Shahidi (2005). The viscosity of canola oil
was in average 16% lower in relation to rapeseed oil with erucic acid
exclusion (Karleskind, 1992), and viscosity of soybean oil of producer
2 was slightly higher than the range of 59e62 mPa s reported
by Shahidi (2005). Some variation in viscosity can also be found
within the literature. The viscosity of sunflower oil and cottonseed
oil was, respectively, 68 mPa s and 80 mPa s according to Shahidi
(2005) and 51e57 mPa s and 65e69 mPa s according to
Karleskind (1992). Viscosity is influenced by the size of molecules,
which decreases with higher fatty acids unsaturation degree