Table 2.

Δ7-sterols (mean ± standard deviation, n = 3) in analysed oil samples (PSO_1–25—samples labelled as pumpkin seed oils obtained from the market, PSO—pumpkin seed oil produced in a laboratory, SO—sunflower oil).

Sample	Spinasterol (%)	Δ7,22,25-Stigma- statrienol (%)	Δ7,25-Stigma- stadienol (%)	Δ7-Stigma- sterol (%)	Δ7-Avena- sterol (%)	Total Δ7-Sterols (%)
OS_1	22.01 ± 0.29	24.11 ± 0.45	25.76 ± 0.68	1.59 ± 0.15	14.48 ± 0.27	87.95 ± 2.42
OS_2	26.33 ± 0.76	23.72 ± 0.47	26.13 ± 0.57	0.97 ± 0.07	18.66 ± 0.36	95.80 ± 1.69
OS_3	23.21 ± 0.26	21.97 ± 0.30	24.92 ± 0.75	1.17 ± 0.14	15.30 ± 0.16	86.58 ± 1.61
OS_4	22.86 ± 0.28	22.76 ± 0.17	22.48 ± 0.62	1.58 ± 0.01	16.27 ± 0.31	85.94 ± 1.40
OS_5	14.38 ± 0.31	16.53 ± 0.09	16.64 ± 0.18	0.54 ± 0.04	13.54 ± 0.31	61.63 ± 0.92
OS_6	17.15 ± 0.40	15.77 ± 0.20	13.66 ± 0.33	0.00 ± 0.00	13.83 ± 0.18	60.41 ± 1.12
OS_7	24.85 ± 0.21	23.27 ± 0.31	24.37 ± 0.37	1.20 ± 0.10	15.70 ± 0.14	89.39 ± 1.13
OS_8	13.42 ± 0.40	17.76 ± 0.17	15.31 ± 0.92	1.01 ± 0.07	12.83 ± 0.29	60.33 ± 1.85
OS_9	13.11 ± 0.22	15.29 ± 0.42	15.94 ± 0.42	0.54 ± 0.03	12.68 ± 0.50	57.57 ± 1.59
OS_10	23.35 ± 0.09	20.45 ± 0.42	23.37 ± 0.37	0.98 ± 0.08	15.51 ± 0.10	83.65 ± 1.06
OS_11	12.21 ± 0.87	14.03 ± 0.85	20.92 ± 0.43	1.23 ± 0.16	11.17 ± 0.78	59.56 ± 3.09
OS_12	11.77 ± 0.61	14.51 ± 0.18	24.63 ± 0.71	0.48 ± 0.00	12.58 ± 0.20	63.97 ± 1.21
OS_13	13.50 ± 0.33	14.16 ± 0.21	21.13 ± 0.81	0.31 ± 0.04	12.70 ± 0.01	61.80 ± 1.39
OS_14	14.85 ± 0.14	14.17 ± 0.22	17.56 ± 0.58	0.19 ± 0.05	12.62 ± 0.36	59.39 ± 1.35
OS_15	20.93 ± 0.77	23.53 ± 0.66	22.22 ± 0.22	0.11 ± 0.02	15.30 ± 0.52	82.08 ± 2.14
OS_16	16.03 ± 0.22	16.33 ± 0.27	16.88 ± 0.48	0.31 ± 0.04	12.86 ± 0.24	62.41 ± 1.66
OS_17	17.27 ± 0.41	15.09 ± 0.42	15.82 ± 0.23	1.15 ± 0.03	12.65 ± 0.14	61.98 ± 0.42
OS_18	25.31 ± 0.12	25.19 ± 0.56	22.92 ± 0.42	1.10 ± 0.13	15.96 ± 0.23	90.48 ± 1.45
OS_19	21.88 ± 1.01	19.83 ± 0.46	23.93 ± 1.09	0.85 ± 0.05	14.94 ± 0.25	81.42 ± 3.32
OS_20	20.97 ± 0.44	20.60 ± 0.22	21.18 ± 0.58	1.38 ± 0.08	15.04 ± 0.22	79.17 ± 1.54
OS_21	22.22 ± 0.62	19.82 ± 0.27	23.94 ± 0.33	0.97 ± 0.09	14.92 ± 0.25	81.87 ± 1.56
OS_22	22.74 ± 0.33	19.97 ± 0.13	23.76 ± 0.14	0.76 ± 0.13	14.01 ± 0.58	81.25 ± 1.31
OS_23	26.79 ± 0.29	23.53 ± 0.40	24.21 ± 0.63	0.85 ± 0.03	15.81 ± 1.08	91.21 ± 2.43
OS_24	14.40 ± 0.50	14.23 ± 0.15	23.04 ± 0.11	0.58 ± 0.04	11.42 ± 0.09	63.67 ± 0.89
OS_25	15.19 ± 0.13	17.06 ± 0.29	15.10 ± 0.48	1.03 ± 0.06	13.48 ± 0.12	61.86 ± 1.07
Range	11.77–26.79	14.03–25.19	13.66–26.13	0.00–1.59	11.17–18.66	57.57–95.80
PSO	28.61 ± 0.22	25.68 ± 0.24	22.19 ± 0.21	0.50 ± 0.09	14.32 ± 0.17	91.29 ±0.92
SO	0.00 ± 0.00	2.25 ± 0.00	0.00 ± 0.00	10.81 ± 0.01	6.75 ± 0.00	19.81 ± 0.21