The use of alternative lipid resources for bioenergy by ProQuest

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									                                                                                                 782 inform December 2009, Vol. 20 (12)


       The use of alternative lipid                      be quantitatively analyzed via HPLC-             2.4% wt/wt low-melting (LM) lecithin, and
                                                         CAD except for some volatile lipids such         1.4% wt/wt Tween 60 or 1.4% wt/wt Tween
       resources for bioenergy                           as common fatty acid methyl esters and           80] and a cosurfactant (0.6% taurodeoxy-
       Zyaykina, N., et al., Lipid Technol. 21:182–      short-chain free fatty acids (<C 16). The        cholate). The impact of the physical state of
       185, 2009.                                        major results of these publications will be      the carrier lipid was investigated by using
             Alternative resources such as animal        summarized in this report.                       either a high melting-point lipid (tripalmi-
       fats, used cooking oils, and side streams                                                          tin) to form solid particles or a low melting-
       from oil refining can be used for the produc-
       tion of biodiesel. The quality of the biodie-
                                                         Impact of surfactant properties                  point lipid (medium-chain triglycerides;
                                                                                                          MCT) to form liquid droplets. A higher
       sel is largely dependent on the quality and       on oxidative stability of                        fraction of α-crystals was detected in solid
       properties of the feedstock. A number of          β-carotene encapsulated                          particles prepared with high-melting sur-
       technologies involving pretreatment of the        within solid lipid nanoparticles                 factants (HM-lecithin and Tween 60) than
       feedstock, posttreatment of the biodiesel,                                                         with low-melting surfactants (LM-lecithin
       and new production processes have been            Helgason, T., et al., J. Agric. Food Chem.       and Tween 80). With the exception of the
       developed to meet biodiesel standards.            57:8033–8040, 2009.                              HM-lecithin-coated solid particles, the sus-
                                                              The impact of surfactant type on the        pensions were stable to particle aggrega-
                                                         physical and chemical stability of solid lipid
       Lipid analysis via HPLC with a                    nanoparticle (SLN) suspensions containing
                                                                                                          tion during 21 days of storage. β-Carotene
                                                                                                          degradation after 21 days of storage was
       charged aerosol detector                          encapsulated β-carotene was investigated.        11, 97, 100, and 91% in the solid particles
       Moreau, R.A., Lipid Technol. 21:191–194,          Oil-in-water emulsions were formed by            (tripalmitin) and 16, 21, 95, and 90% in
       2009.                                             homogenizing 10% wt/wt lipid phase (1            the liquid droplets (MCT) for HM-leci-
             Most lipid extracts are a mixture of sat-   mg/g β-carotene in carrier lipid) and 90%        thin, LM-lecithin, Tween 80, and Tween
       urated and unsaturated molecules. There-          wt/wt aqu
								
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