Front Matter
Glycerol + C 8 R1,3-Dicaprylin + H 2 O (9) 1,3-Dicaprylin + EPARC 8 (EPA)C 8 +H 2 O (10) With stoichiometric ratios of the two s ...
166 9 Lipase-Catalyzed Synthesis of Structured Triacylglycerols Figure 6. Time course of the reaction shown in Equation (12) wit ...
9.5 References Akoh, C.C. (1995), Structured lipids – enzymatic approach.INFORM 6 , 1055–1061. Adlof, R.O. (1995), Analysis of t ...
Iverson, S., Sampugna, J.J., Oftedal, O.T. (1992), Positional specificity of gastric hydrolysis of long chain n-3 polyunsaturate ...
Xu, X., Skands, A.R.H., Høy, C.-E., Mu, H., Balchen, S., Adler-Nissen, J. (1998a), Production of specific- structured lipids by ...
10 Enrichment of Lipids with EPA and DHA by Lipase Gudmundur G. Haraldsson 10.1 Introduction The long-chain n-3 type polyunsatur ...
This has resulted in strong demands for their concentrates by the pharmaceutical industry, as well as the health food industry, ...
and Kazlauskas, 1999). They offer TG concentrates of EPA and DHA of a whole range of composition including 100 % EPA or DHA, of ...
including ether-type PL and plasmalogens. This again is based on lipase enantio- selectivity. There are several reports in the l ...
60–65 8 C, the lipase preparation constituting 10 % water. A 3-fold excess of free fatty acids or ethyl esters was used, as base ...
cerols. In addition, the lipase may be expected to act directly at the mid-position of the acylglycerols, despite its regioselec ...
condensed into a liquid nitrogen-cooled trap during the progress of the reaction, thus driving the reaction to completion (Schem ...
at considerably lower levels, but 2-MG was never detected. Both reactions were virtually completed after 48 h. The results impli ...
an important role during the process. Based on the above results a proposed pathway for the rather complicated reactions is illu ...
EL highly enriched with either EPA or DHA or both EPA and DHAwere obtained by transesterification reactions with concentrates of ...
integrity and functions at the lower temperatures, by adding to the membrane fluidity and mobility as a result of their higher u ...
that case. Highest levels of incorporation were obtained when employing 100 % dosage of lipase, when PC containing 32 % EPA and ...
PC, 44 % LPC and 17 % GPC present in the product mixture, based on moles of phospholipids, according to the^31 P-NMR studies. Ad ...
ably) EPA-deficient 1-LPC dominate in the reaction mixture during the early stages of the reaction, whereas at the later stage h ...
unaffected. This enables the preparation of concentrates of EPA plus DHA.Pseu- domonaslipases belong to this category, as has be ...
«
5
6
7
8
9
10
11
12
13
14
»
Free download pdf