Table 6 Thiobarbituric acid values (mg malonaldehyde/kg oil) of different samples of PCSE extracts, and BHT during 12 days at 63 °C

0.033 ± 0.001^Da

0.042 ± 0.002^Ca

0.047 ± 0.002^Cab

0.052 ± 0.003^Ca

0.066 ± 0.001^Ba

0.075 ± 0.006^Aa

0.023 ± 0.003^Fb

0.025 ± 0.001^Eh

0.030 ± 0.003^Di

0.034 ± 0.001^Ce

0.038 ± 0.002^Bcd

0.043 ± 0.004^Acde

0.022 ± 0.001^Eb

0.027 ± 0.004^Dgh

0.029 ± 0.001^Di

0.033 ± 0.002^Ce

0.036 ± 0.001^Bde

0.040 ± 0.002^Ade

0.006 ± 0.000^Ef

0.032 ± 0.001^Dbc

0.037 ± 0.003^Ce

0.040 ± 0.002^Bcd

0.045 ± 0.003^Ab

0.043 ± 0.001^ABbcde

0.007 ± 0.000^Ee

0.029 ± 0.001^DFg

0.034 ± 0.001^Cg

0.036 ± 0.002^BCde

0.043 ± 0.002^Abc

0.039 ± 0.005^ABe

0.005 ± 0.003^Dfg

0.032 ± 0.002^Cbc

0.042 ± 0.001^Abcd

0.034 ± 0.003^Be

0.041 ± 0.004^Abc

0.043 ± 0.002^Ac

0.007 ± 0.000^Ee

0.031 ± 0.001^Dce

0.033 ± 0.000^Ch

0.040 ± 0.002^ABcd

0.043 ± 0.002^Ab

0.037 ± 0.001^Be

0.005 ± 0.000^Fg

0.032 ± 0.002^CDbc

0.035 ± 0.002^BCfg

0.039 ± 0.002^Ad

0.033 ± 0.000^Df

0.029 ± 0.002^Ef

0.008 ± 0.002^Ecd

0.034 ± 0.004^Bb

0.031 ± 0.002^Chi

0.037 ± 0.000^ABde

0.041 ± 0.001^Abc

0.024 ± 0.003^Dg

0.008 ± 0.000^Ede

0.03 ± 0.002^Dcef

0.043 ± 0.003^Bbc

0.037 ± 0.001^Cd

0.048 ± 0.004^ABb

0.048 ± 0.003^Ab

0.007 ± 0.001^Ede

0.028 ± 0.000^Dfgh

0.049 ± 0.000^Aa

0.036 ± 0.004^Cde

0.045 ± 0.002^Bb

0.048 ± 0.005^ABCbcd

0.010 ± 0.000^Dcd

0.027 ± 0.000^Ch

0.041 ± 0.002^Bcd

0.043 ± 0.002^ABbc

0.043 ± 0.003^ABb

0.045 ± 0.002^Abc

0.005 ± 0.003^Fg

0.028 ± 0.001^Efgh

0.040 ± 0.000^Cd

0.047 ± 0.002^Aab

0.033 ± 0.002^Def

0.042 ± 0.003^Bde

0.005 ± 0.001^Dfg

0.027 ± 0.001^Cgh

0.036 ± 0.000^Bf

0.045 ± 0.003^Aabc

0.041 ± 0.003^Abc

0.044 ± 0.002^Ac

0.006 ± 0.000^Df

0.029 ± 0.000^CF

0.033 ± 0.001^Bghi

0.039 ± 0.004^Ad

0.033 ± 0.004^Bf

0.037 ± 0.001^Ae