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Effects of 1,2-dioleoyl- sn-glycero-3-phosphocholine on moisture content and oxidative stability in soybean oil-water system at different interfaces

Effects of 1,2-dioleoyl- sn-glycero-3-phosphocholine on moisture content and oxidative stability in soybean oil-water system at different interfaces

YongJun Kwon, Seungbeen Jo, HeeSun Na, SungHwa Kim, Mi-Ja Kim, JaeHwan Lee

Food Sci Biotechnol. 2019 Oct 5;29(4):479-486.

PMID: 32296558

Abstract:

Effects of 1,2-dioleoyl-sn-glycero-3-phosphocholine (DOPC) on the oxidative stability were determined in soybean oil-water system at different locations including at the interface of air-oil, in the middle of oil, and at the interface of oil-water. Also, profile changes of tocopherols were determined during UV irradiation for 18 days. Although no significant changes in tocopherol profiles were observed at three different locations irrespective of DOPC from 0 to 1250 μmol/kg oil, addition of DOPC increased total tocopherols, α-tocopherol, and δ-tocopherol whereas content of β + γ tocopherols did not increase at any locations. Moisture content in water-oil interface was higher than other locations while those were not consistent at different DOPC concentration. Added DOPC significantly decreased oxidative stability from 250 to 830 μmol/kg oil compared to controls (p < 0.05) whereas 1250 μmol/kg oil DOPC increased oxidative stability. Stabilities of tocopherols especially α-tocopherol were lower in oil-water system than those in bulk oil at UV irradiation.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP4235954	1,2-Dioleoyl-sn-glycero-3-phosphocholine		4235-95-4	Price

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