Autoxidation of Linoleic Acid Encapsulated with Polysaccharides of Differing Weight Ratio

Effect of Oil-droplet Size on the Oxidation of Microencapsulated Methyl Linoleate

“…We previously discussed the relationship between the Y ∞ and the weight ratio of lipid to wall material based on the percolation theory 11) for the oxidation of linoleic acid encapsulated with maltodextrin, pullulan or gum arabic 12) . The theory also applied to the results obtained in this study.…”

“…Although the Y ∞ values are located under the calculated curves, the tendency for the Y ∞ value to be steeply decreased near the volumetric fraction of methyl linoleate of 0.3 could be expressed by the threedimensional model. We reported previously that the twodimensional model expressed the characteristics of the oxidation of encapsulated linoleic acid 12) . However, the three-dimensional model was adequate to describe the characteristics of the oxidation of methyl linoleate in the microcapsules in this study.…”

Oxidation of Linoleic Acid Encapsulated with Soluble Soybean Polysaccharide by Spray-drying

“…[1][2][3][4][5] The microencapsulation process involves two steps: one is emulsiˆcation of the core material and dense solution of the wall material, and the other is drying of the resulting emulsion. It would, therefore, be desirable for the wall material to possess both emulsifying and emulsion-stabilizing abilities to produce microcapsules of the core material which iŝ nely coated with the wall material and is hard to oxidize.…”

“…7) The oxidation process of an encapsulated lipid undergoes two stages: one is a rapid decrease in the fraction of unoxidized substrate in the early stage of storage, and the other is leveling oŠ of the fraction with prolonged storage. 5,7) The kind of wall material is one of factors aŠecting this process. 3,5) A polysaccharide was used in this study as the wall material for the microencapsulation of linoleic acid by spray-drying, and the oxidative stability of the encapsulated linoleic acid was examined to assess the characteristics of the polysaccharide as a wall material.…”

“…5,7) The kind of wall material is one of factors aŠecting this process. 3,5) A polysaccharide was used in this study as the wall material for the microencapsulation of linoleic acid by spray-drying, and the oxidative stability of the encapsulated linoleic acid was examined to assess the characteristics of the polysaccharide as a wall material. Gum arabic and maltodextrin were also used as wall materials for comparison.…”