Crystallization of Fully Hydrogenated and Interesterified Fat and Vegetable Oil
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- Zhang Lu
- School of Food and Biological Engineering, Zhengzhou University of Light Industry
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- Muramoto Hisako
- Graduate School of Biosphere Sciences, Hiroshima University
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- Ueno Satoru
- Graduate School of Biosphere Sciences, Hiroshima University
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- Sato Kiyotaka
- Graduate School of Biosphere Sciences, Hiroshima University
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Owing to public concern regarding the adverse health effects of trans fatty acids, an alternative technology to trans fats has recently become an important issue. The interesterification of fully hydrogenated vegetable oil and liquid oil blends is one of the most versatile options. This paper reports a physical analysis of high-melting fat (HMF) prepared through the interesterification of fully hydrogenated soybean oil and regular soybean oil, and through fractionation. The thermal and structural properties of the HMF blended with salad oil at a mass ratio of 4:1 (called the HMF blend, hereafter), which was prepared as a model fat blend for margarine, were assessed using X-ray diffraction (XRD), differential scanning calorimetry (DSC), and polarized light microscopy (POM). To observe the polymorphic transformation, all samples were aged after crystallization, and the development of granular crystals during the aging process was observed. We found that the granular crystals are made of SOS/SSO, POS/PSO, and (SOS+POS)/(SSO+PSO) molecular compounds, all of which easily transform into β form with a double-chain-length structure.
収録刊行物
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- Journal of Oleo Science
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Journal of Oleo Science 60 (6), 287-292, 2011
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
- 1390001204091411456
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- NII論文ID
- 130000833478
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- NII書誌ID
- AA11503337
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- ISSN
- 13473352
- 13458957
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- NDL書誌ID
- 11078620
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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
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- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可