. 2015 Oct 31;53(2):1338–1347. doi: 10.1007/s13197-015-2082-y

Table 2.

Means obtained for tocopherol contents and their respective standard deviations

Packaging material	Storage conditions			Tocopherol contents (mg/100 g)
Packaging material	Temperature	Exposure to light	Access of oxygen	γ-T	α-T	Total
Control oil	–	–	–	34.14 ± 3.66^a	23.75 ± 2.31^a	57.89 ± 2.79^a
Amber glass	20 °C	light	Closed throughout the storage period	13.28 ± 1.20^b	3.84 ± 0.17^b	17.12 ± 1.38^b
	20 °C	dark		13.77 ± 0.62^b	3.72 ± 0.91^b	17.50 ± 1.52^b
	4 °C	dark		18.70 ± 1.52^c	7.54 ± 0.26^c	26.24 ± 1.26^d
Amber PET	20 °C	light		13.03 ± 1.27^b	2.85 ± 0.62^d	15.88 ± 1.89^b
	20 °C	dark		11.99 ± 2.11^d	4.25 ± 0.56^b	16.24 ± 1.55^b
	4 °C	dark		18.39 ± 1.28^c	7.15 ± 0.42^c	25.54 ± 1.70^d
Amber glass	20 °C	light	Once per month opened	6.66 ± 0.14^e	2.20 ± 1.11^d	8.86 ± 0.97^e
	20 °C	dark		7.77 ± 0.82^e	2.22 ± 0.43^d	9.99 ± 0.39^e
	4 °C	dark		11.53 ± 0.85^d	5.76 ± 0.25^e	17.29 ± 0.60^b
Amber PET	20 °C	light		6.62 ± 0.77^e	2.35 ± 0.73^d	8.97 ± 1.50^e
	20 °C	dark		7.13 ± 0.93^e	2.41 ± 0.72^d	9.53 ± 0.21^e
	4 °C	dark		11.93 ± 0.74^d	4.48 ± 1.87^e	16.41 ± 2.61^b

Different superscript letters within each column indicate significant differences (p < 0.05)