. 2016 Dec;54(4):413–420. doi: 10.17113/ftb.54.04.16.4623

Table 5. Characteristics of pumpkin oil obtained with different extraction procedures.

Compound	Cold pressing	Aqueous enzymatic extraction
Oil recovery/%	(67.4±1.7)^b	(72.6±1.1)^a
Acid value/(mg of KOH per g)	(1.4±0.4)^b	(4.9±0.5)^a
Peroxide value/(meq of O₂ per kg)	(1.2±0.1)^b	(1.8±0.2)^a
t(induction)/h	(9.4±0.5)^a	(6.6±0.3)^b
	w/(mg/100 g oil)
Tocopherols	(44.5±0.7)^b	(55.3±0.4)^a
α-tocopherol	(13.0±0.2)^b	(16.23±0.06)^a
β-tocopherol	(2.23±0.09)^b	(2.61±0.02)^a
γ-tocopherol	(29.3±0.7)^b	(36.5±0.4)^c
Carotenoids	(22.8±0.6)^a	(21.0±0.9)^a
Lutein	(8.8±0.1)^a	(6.3±0.1)^b
α-carotene	(1.70±0.03)^b	(2.3±0.7)^a
γ-carotene	(5.8±0.2)^a	(5.9±0.2)^a
9-cis-γ-carotene	(1.88±0.04)^a	(1.96±0.09)^a
Unidentified	(4.6±0.1)^a	(4.58±0.06)^a
Sterols	(180.6±0.3)^b	(217.9±1.1)^a
Campesterol	(16.59±0.03)^b	(5.51±0.01)^b
Stigmasterol	(2.38±0.04)^a	(1.49±0.03)^b
Spinasterol and γ-sitosterol	(90.0±0.3)^b	(105.3±0.4)^a
Δ7,22,25-stigmastatrienol	(27.4±0.3)^b	(43.0±0.0)^a
Δ7-stigmastenol	(12.0±0.3)^b	(17.1±0.1)^a
Δ7,25-stigmastadienol	(26.44±0.02)^b	(39.6±0.3)^a
Δ7-avenasterol	(5.7±0.2)^a	(5.88±0.05)^a
Squalene	(95.23±0.5)^b	(115.9±0.9)^a
Total phytochemicals	(343.2±0.5)^b	(410.1±1.0)^a
Fatty acids	w/%
Palmitic (C16:0)	(12.5±0.2)^b	(14.0±0.2)^a
Stearic (C18:0)	(4.6±0.2)^a	(5.03±0.08)^a
Oleic (C18:1)	(28. 6±1.9)^a	(24.6±1.3)^b
Linoleic (C18:2)	(52.8±1.2)^b	(55.8±1.7)^a
Linolenic (C18:3)	(1.0±0.4)^a	(0.3±0.2)^a
Others	(0.6±0.2)^a	(0.37±0.06)^a

All results are mean value±standard deviation (S.D.). Mean values with the same letter in a row did not differ significantly (p≤0.05)