Trilinolein Adsorption on Attapulgite and Sepiolite and Its Inhibition in β-Carotene Adsorption

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  • トリリノレインのアタパルジャイトとセピオライトへの吸着特性及びβ-カロチン吸着阻害
  • トリリノレイン ノ アタパルジャイト ト セピオライト エ ノ キュウチャク

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Adsorption rate and adsorption isotherm of trilinolein were obtained to clarify the causes for differences in the inhibitory effects of triolein and trilinolein on β-carotene adsorption by attapulgite and sepiolite. The apparent rate of trilinolein at initial adsorption was slower than that of triolein and with no inhibitory effect. The adsorption isotherm of trilinolein could be obtained quite well by the Langmuir equation, Maximum amount of trilinolein adsorbed was proportional to the specific surface area of adsorbent, indicating one molecule of adsorbed trilinolein to occupy an area of 452Å2. The adsorption cross-sectional area of trilinolein was 1.13 times on that of triolein. The inhibitory effect of trilinolein on amount of β-carotene adsorbed was stronger than that of triolein since the cross-sectional area of trilinolein was larger than that of triolein.

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