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<p>Porous starch is prevalently utilized for loading and transporting biologically active substances and constitutes an inexpensive sorbent with an extensive range of applications. In this study, an innovative and high-efficient preparation approach for chestnut porous starch was executed by integrating plasma-activated water with hydrolysis (α-amylase and glucosidase). Under the optimized conditions (jet power and time, enzyme dosage and hydrolysis time), the obtained chestnut porous starch showed to possess a uniformly porous structure under the electron microscope. Compared with normal enzymatic hydrolysis, the oil absorption rate of the starch was significantly enhanced and reached 141.28% ± 0.86%. The optimal condition for the adsorption of curcumin using PECS was for 350&#xa0;min, when Qe was maximized and the adsorption process conformed to pseudo-first-order kinetics. This study provides a novel and effective alternative route for the development of chestnut porous starch material, which can fulfill the requirements of subsequent in-depth research.</p>

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Preparation and characterization of chestnut porous starch by plasma-activated water combined with enzymatic hydrolysis

  • 期刊论文

  • 发表日期：

    2025年5月17日

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  • Peixuan Wang,
  • Binbin Tao,
  • Xiaojing Li,
  • Dandan Zhou,
  • Tingting Li,
  • Caie Wu,
  • Gongjian Fan

摘要

Porous starch is prevalently utilized for loading and transporting biologically active substances and constitutes an inexpensive sorbent with an extensive range of applications. In this study, an innovative and high-efficient preparation approach for chestnut porous starch was executed by integrating plasma-activated water with hydrolysis (α-amylase and glucosidase). Under the optimized conditions (jet power and time, enzyme dosage and hydrolysis time), the obtained chestnut porous starch showed to possess a uniformly porous structure under the electron microscope. Compared with normal enzymatic hydrolysis, the oil absorption rate of the starch was significantly enhanced and reached 141.28% ± 0.86%. The optimal condition for the adsorption of curcumin using PECS was for 350 min, when Qe was maximized and the adsorption process conformed to pseudo-first-order kinetics. This study provides a novel and effective alternative route for the development of chestnut porous starch material, which can fulfill the requirements of subsequent in-depth research.