Effect of Oil-droplet Size on the Oxidation of Microencapsulated Methyl Linoleate
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- Nakazawa Risa
- Division of Food Science and Biotechnology, Graduate School of Agriculture, Kyoto University
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- Shima Motohiro
- Division of Food Science and Biotechnology, Graduate School of Agriculture, Kyoto University
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- Adachi Shuji
- Division of Food Science and Biotechnology, Graduate School of Agriculture, Kyoto University
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Effects of oil-droplet size, the weight ratio of oil to wall material and the storage temperature on the oxidation of methyl linoleate microencapsulated with maltodextrin by spray-drying were examined. The oxidation of methyl linoleate was more retarded for the microcapsules prepared from the emulsion having smaller oil droplets. The oxidation was more suppressed for the microcapsules having a lower weight ratio of oil to wall material. The fraction of unoxidized methyl linoleate leveled off after 10- to 15-days storage. The level, Y∞, depended on the weight ratio. The dependence of Y∞ on the weight ratio was analyzed based on the percolation theory, and the three-dimensional model of the theory was suitable to express the dependence. The effect of the storage temperature on the oxidation of microencapsulated methyl linoleate was also examined, and the activation energy was evaluated. The value of the energy suggested that the oxidation itself was a rate-limiting step for the oxidation of methyl linoleate encapsulated with maltodextrin.<br>
収録刊行物
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- Journal of Oleo Science
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Journal of Oleo Science 57 (4), 225-232, 2008
公益社団法人 日本油化学会
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詳細情報 詳細情報について
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- CRID
- 1390282679068103168
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- NII論文ID
- 130000055409
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- NII書誌ID
- AA11503337
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- ISSN
- 13473352
- 13458957
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- NDL書誌ID
- 9420993
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可