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. 2020 Jun 26;58(3):902–910. doi: 10.1007/s13197-020-04604-1

Table 3.

Iodine, free fatty acid, peroxide, P-anisidine, and TOTOX values of roselle seed oils extracted from different drying methods

Oxidative stability Drying methods
Oven dried seed oil Freeze dried seed oil
Iodine value (g iodine/100 g oil) 89.04a ± 0.80 90.31a ± 0.79
Free fatty acid value (%) 2.115b ± 0.705 1.645b ± 0.407
Peroxide value (meq/kg) 4.133c ± 0.503 2.467d ± 0.116
P-anisidine value 3.764e ± 0.405 3.484e ± 0.301
TOTOX value 12.031f ± 1.105 8.417 g ± 0.508

aNo significant difference between the value as p = 0.123 (P > 0.05)

bNo significant difference between the value as p = 0.391 (P > 0.05)

c,dSignificant difference between the value as p = 0.031 (P < 0.05)

eNo significant difference between the value as p = 0.407 (P > 0.05)

f,gSignificant difference between the value as p = 0.036 (P < 0.05)