2014
DOI: 10.3989/gya.0585141
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Lipase-catalyzed interesterification of egg-yolk phosphatidylcholine and plant oils

Abstract: SUMMARY:The incorporation of polyunsaturated fatty acids into the sn-1 position of egg-yolk phosphatidylcholine (PC) in the process of lipase-catalyzed interesterification was investigated. For this purpose plant oils containing these acids in the triacylglycerol (TAG) form were used as acyl donors and three commercially available immobilized lipases were examined as biocatalysts. In all the experiments the best results were obtained using Novozym 435. After 72 h of the reaction of PC with linseed oil the maxi… Show more

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Cited by 7 publications
(4 citation statements)
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“…In this investigation, Novozym 435 showed less activity, giving 27.5 wt% and 13.5 wt% incorporation of MA into PC in interesterification and acidolysis, respectively. In our previous studies, this lipase was the most efficient in incorporation of α-linolenic acid, punicic acid, and PUFA into PC in the interesterification and acidolysis processes [18,21,27,30]. On the other hand, similar to the results presented here, TLL was less active in interesterification of PC with pomegranate seed oil.…”
Section: Screening Of Enzymessupporting
confidence: 89%
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“…In this investigation, Novozym 435 showed less activity, giving 27.5 wt% and 13.5 wt% incorporation of MA into PC in interesterification and acidolysis, respectively. In our previous studies, this lipase was the most efficient in incorporation of α-linolenic acid, punicic acid, and PUFA into PC in the interesterification and acidolysis processes [18,21,27,30]. On the other hand, similar to the results presented here, TLL was less active in interesterification of PC with pomegranate seed oil.…”
Section: Screening Of Enzymessupporting
confidence: 89%
“…Four commercially available lipases; Lipozyme ® (RML), Lipozyme TL IM (TLL), Candida antarctica lipase B (Novozym 435) and Candida antarctica lipase A (CALA) were evaluated for their ability to catalyze interesterification and acidolysis between egg-yolk PC and TMA or MA, respectively. Lipozyme ® and Lipozyme TL IM are classified as 1,3-regiospecific lipases [15] the third one is considered as a non-specific enzyme, but in most lipid modifications it shows high selectivity towards the sn-1 position [27,30,31]. The fourth of the lipases (CALA) is reported to show a sn-2-regioselectivity [32,33], although such preference in the structure of triacylglycerols (TAG) is not sufficient to selective synthesis of 1,3-diglycerides or 2-monoglycerides [34].…”
Section: Screening Of Enzymesmentioning
confidence: 99%
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“…The modern trend is using natural oils as a sources of triacylglycerols rich in desirable fatty acid in direct-interesterification with phospholipids [ 29 , 30 ]. In our research group, we elaborated the lipase-catalyzed incorporation of different biologically active acids ( n -3 PUFA, n -6 PUFA, or conjugated fatty acids) into PC using natural plant oils as the acyl donors i.e., sunflower oil, linseed oil, pomegranate seed oil [ 31 , 32 ]. The concentrates of CLA obtained from sunflower and safflower oil were also used to produce CLA-enriched PLs [ 33 ].…”
Section: Introductionmentioning
confidence: 99%