. 2018 May 28;72(10):2607–2615. doi: 10.1007/s11696-018-0516-5

Table 3.

Extrapolated DSC thermoxidation onset temperatures (t_ON/ °C) measured at different heating rates (β) for SBO oil samples

Heating rate β/°C min⁻¹	SBO	BHA	MARJORAM			THYME
Heating rate β/°C min⁻¹	SBO	0.01%	0.01%	0.03%	0.07%	0.01%	0.03%	0.07%
4.0	157.05 ± 0.58^a	160.37 ± 0.82^bc	158.07 ± 0.74^a	161.37 ± 0.50^c	162.15 ± 0.57^c	161.67 ± 0.50^c	162.18 ± 0.78^c	162.52 ± 0.78^c
7.5	164.21 ± 0.67^a	167.31 ± 0.92^ab	166.27 ± 0.94^ab	171.67 ± 1.04^c	172.06 ± 1.12^c	169.16 ± 0.74^bc	169.33 ± 0.74^bc	171.72 ± 0.75^c
10.0	170.62 ± 0.79^a	175.26 ± 0.57^b	173.06 ± 0.63^a	174.96 ± 0.64^b	176.72 ± 0.92^b	172.78 ± 0.93^a	173.07 ± 1.08^a	176.36 ± 0.97^b
12.5	175.89 ± 0.59^a	179.53 ± 1.37^b	178.26 ± 1.26^ab	179.44 ± 1.22^b	180.37 ± 0.72^b	178.76 ± 0.91^b	179.46 ± 0.94^b	179.70 ± 0.94^b
15.0	180.06 ± 1.17^a	182.35 ± 1.44^ab	180.36 ± 1.28^a	182.59 ± 1.29^ab	183.08 ± 1.23^ab	181.59 ± 1.21^ab	181.64 ± 1.26^ab	182.13 ± 1.26^ab

	OREGANO			THYME + BHA	OREGANO + BHA	OREGANO + THYME
	0.01%	0.03%	0.07%	0.005% + 0.005%	0.005% + 0.005%	0.015% + 0.015%
4.0	160.98 ± 0.45^bc	161.25 ± 0.50^c	161.77 ± 0.53^c	159.53 ± 0.85^b	158.75 ± 0.72^ab	162.75 ± 0.70^c
7.5	170.17 ± 0.74^c	170.86 ± 0.79^c	171.86 ± 0.72^c	169.04 ± 0.87^bc	168.01 ± 1.06^b	171.67 ± 0.88^c
10.0	174.64 ± 1.09^b	175.65 ± 1.09^b	176.54 ± 0.97^b	172.24 ± 1.43^a	171.73 ± 1.16^a	177.84 ± 0.85^b
12.5	177.05 ± 0.83^ab	178.07 ± 0.88^ab	179.58 ± 1.02^b	174.44 ± 1.48^a	174.75 ± 0.58^a	180.23 ± 1.10^b
15.0	183.03 ± 1.42^ab	183.09 ± 1.29^ab	183.13 ± 1.22^ab	180.11 ± 1.53^a	180.60 ± 1.49^ab	185.75 ± 1.32^b

The results are mean ± standard deviation. Values marked by the different lower case superscript letters within a row denote statistically significant differences (P < 0.05)