Front Matter

Syed Rahmatullah, M.S.K, Shukla, V.K.S., Mukherjee, K.D. (1994b), Enrichment ofc-linolenic acid from evening primrose oil and bo ...

3 Lipid Modification in Water-in-Oil Microemulsions Douglas G. Hayes 3.1 Introduction Water-in-oil microemulsions (w/o-MEs), als ...

This will be the main focus of the chapter. In addition, recent efforts on the devel- opment of continuous bioreactors for micro ...

3.2.1 Applications A wide variety of reactions have been investigated in w/o-MEs (Table 1). Microe- mulsions have hosted both hy ...

Luisi, 1989; 1990; O’Connor and Cleverly, 1994), NIR (Hanna et al., 1996), and FT- (^1) H-NMR (Rees and Robinson, 1995) have bee ...

tions performed by two different lipases in Figure 2. The fact that water is present at a 10-fold concentration higher than any ...

There are two reported cases where an upper temperature limit for activity is reached within the one-phase region and below the ...

timalwovalue forC. rugosalipase occurs at awovalue of about 9, which corresponds to a w/o-ME water pool diameter of about 6 nm ( ...

action type, enzyme concentration (Han et al., 1990; Shiomori et al., 1996), and whether the surfactant or water concentration i ...

3.2.4 Effect of surfactant and solvent type Most of the early studies of w/o-ME-encapsulated lipases employed AOT [sodium bis(2- ...

et al., 1990). The inability to hydrolyze triglycerides was attributed to the presence of the PEG palisade layer at the interfac ...

1991). The organic and aqueous excess phases contained only the hydrolysis reaction products, monoglyceride and fatty acid soaps ...

fluorescence spectroscopy (Brown et al., 1993; Marangoni, 1993; Miyake et al., 1993a; Walde et al., 1993; Otero et al., 1995). F ...

3.3 Recovery of lipases by microemulsion-based extraction Water-in-oil microemulsion solutions have been employed successfully t ...

3.4 Membrane bioreactors and continuous processes Several research groups have assembled membrane bioreactor systems for contin- ...

To improve the performance of the continuous membrane bioreactors, two ap- proaches were adopted. The first was to introduce an ...

dissolution in the bulk solvent (Jenta et al., 1997a; Karlsson et al., 1998). ‘Hard’, opaque gels (8–14 % gelatin) are less acti ...

3.5.2 Lecithin gels Luisi and co-workers combined lipase, triglyceride substrate, cyclooctane, and water at determined proportio ...

3.6.2 Cutinase Cabral and co-workers have investigated the use of a recombinant cutinase from Fusarium solanito hydrolyze trigly ...

Ballesteros, A., Bornscheuer, U., Capewell, A., Combes, D., Condoret, J. S., Koenig, K., Kolisis, F. N., Marty, A., Menge, U., S ...