すりゴマの物性に及ぼす粒度あるいは成分の影響

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タイトル別名
  • Effects of Particle Size and Components on Physical Properties of Ground Sesame Seeds.
  • スリ ゴマ ノ ブッセイ ニ オヨボス リュウド アルイワ セイブン ノ エイキョウ

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説明

Effects of a particle size and chemical components of ground sesame seeds on their physical properties were investigated. Roasted sesame seeds were grounded automatically for 5min, defatted and separated by size with six sieves (53-850μm). The fraction with a particle size less than 53μm was extracted in turn with ethyl acetate, water and 80% ethanol. These samples were mixed with sesame oil and measured for hardness and adhesiveness by a texturometer and flow characteristic by a viscometer.<BR>From these results, the fraction less than 53μm was proved mainly responsible for the decrease in hardness and viscosity and the increase in adhesiveness. These changes were also induced remarkably when the 105μm fraction or the 53μm fraction was combined about 30% with the fraction less than 53μm.<BR>It was shown that the interaction between protein and oil was comparatively weak, but polarity lipids and water-soluble components such as saccharides strengthened the interaction between the particles of ground sesame seeds.

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