低吸収性を示す機能性食品成分の消化管吸収機構の解明と吸収特性を考慮した製剤開発

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タイトル別名
  • Study of Formulation Development Based on the Pharmacokinetic Properties of Functional Food Components
  • Review for award 低吸収性を示す機能性食品成分の消化管吸収機構の解明と吸収特性を考慮した製剤開発
  • Review for award テイキュウシュウセイ オ シメス キノウセイ ショクヒン セイブン ノ ショウカカン キュウシュウ キコウ ノ カイメイ ト キュウシュウ トクセイ オ コウリョ シタ セイザイ カイハツ

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<p>Preventive medicine and anti-aging medicine have received much attention recently due to an increase in the proportion of elderly people in the population, and to an increase in patients with lifestyle diseases. Oxidative stress is involved in the onset of lifestyle diseases, and various antioxidant supplements and antioxidant-fortified functional foods have recently become available. Many epidemiological studies have shown relationships between the consumption of polyphenol and carotenoid-rich foods and the prevention of lifestyle diseases. We have focused on the absorption mechanism of these food components that show low bioavailability, and have made efforts to improve their poor absorption based on their pharmacokinetic properties. In this report, as examples, we describe the enhancement of the absorption of coenzyme Q10 (CoQ10) and lutein. To improve the absorption of CoQ10, we focused on the component of emulsion. We found that a higher plasma concentration of CoQ10 could be obtained by creating an emulsion containing a surfactant with a higher hydrophile-lipophile balance (HLB) value. For the improvement of lutein absorption, we prepared a solid dispersion and self-emulsifying drug delivery system. It was shown that the plasma concentrations of lutein in these two formulation groups were increased compared with that in the powder group. The absorption of lutein was also evaluated by its cumulative amount in the lymph system. Our data showed that lutein is transferred from the small intestine into the lymph stream, rather than into the blood stream. Further investigations to improve the absorption of these components are in progress.</p>

収録刊行物

  • 薬学雑誌

    薬学雑誌 139 (3), 341-347, 2019-03-01

    公益社団法人 日本薬学会

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