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<p>The optical activity of sugar substitute aqueous solution was measured and in presence of a surfactant (Sodium bis(2-ethylhexyl) sulfosuccinate) (AOT). Furthermore, there was a noticeable reduction in the optical activity of Stevia when it was combined with the surfactant. To account for this decline, an empirical equation has been formulated. The sugar activity was suggested as the result of free and linked to AOT. A surface charged concentric model was proposed to interpret the reduction sugar substitute optical activity in presence of surfactant. In this model, the electric field produced by both spherical and wormlike surfactant micelles impacts the stevia molecules, leading to a decrease in their optical activity.</p>

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A surface charged concentric model to interpret the optical activity reduction of a sugar substitute (Stevia rebaudiana) in presence of surfactant

  • 期刊论文

  • 发表日期：

    2025年12月1日

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  • Sameh Jebali,
  • Ahmed EL Aferni,
  • Moez Guettari,
  • Tahar Tajouri

摘要

The optical activity of sugar substitute aqueous solution was measured and in presence of a surfactant (Sodium bis(2-ethylhexyl) sulfosuccinate) (AOT). Furthermore, there was a noticeable reduction in the optical activity of Stevia when it was combined with the surfactant. To account for this decline, an empirical equation has been formulated. The sugar activity was suggested as the result of free and linked to AOT. A surface charged concentric model was proposed to interpret the reduction sugar substitute optical activity in presence of surfactant. In this model, the electric field produced by both spherical and wormlike surfactant micelles impacts the stevia molecules, leading to a decrease in their optical activity.