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Experimental Screening Protocols, Immunocytochemistry and Microscopy-based Imaging Techniques for Penium margaritaceum
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Structural characterization of pectin obtained by different purification methods.

Zayniddin K Muhidinov1, Khurshed I Ikromi2, Abduvali S Jonmurodov1

  • 1V.I Nikitin Chemistry Institute of the Tajikistan National Academy of Sciences, Dushanbe 734063, Tajikistan.

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Summary
This summary is machine-generated.

A new diaultrafiltration (DUF) process offers a low-cost, green alternative for pectin production, surpassing traditional methods in purity, quality, and efficiency. This eco-friendly technology enhances pectin yield and molecular characteristics while reducing energy consumption.

Keywords:
Alcohol precipitationDiaultrafiltrationHydrolysate solutionOligosaccharidesPectinPilot plant

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Area of Science:

  • Food Science and Technology
  • Biochemical Engineering
  • Separation Science

Background:

  • Commercial pectin production relies on vacuum evaporation and alcohol precipitation (VEAP), which involves high costs and flammable alcohol.
  • The high production expenses of VEAP limit the widespread commercial application of refined pectins.

Purpose of the Study:

  • To introduce and evaluate a novel diaultrafiltration (DUF) process for pectin production.
  • To compare the DUF process with the conventional VEAP method regarding cost, environmental impact, and product quality.

Main Methods:

  • Implementation of a pilot-scale diaultrafiltration (DUF) system for pectin extraction and purification.
  • Comparative analysis of pectin produced via DUF and VEAP, including structural characterization (NMR) and quality assessment (purity, molar mass).
  • Evaluation of energy and chemical consumption for both processes.

Main Results:

  • The DUF process demonstrated significant flux enhancement and high pectin purity (p < 0.05).
  • DUF yielded pectin with higher molar mass (Mw) and lower polydispersity (Mw/Mn), indicating better separation of pectin backbones.
  • NMR analysis confirmed that DUF effectively removes free impurities, leading to a purer pectin product.
  • The DUF process showed lower energy consumption and higher product quality compared to VEAP.

Conclusions:

  • Diaultrafiltration (DUF) presents a cost-effective, green, and ecologically friendly alternative for pectin production.
  • The DUF method offers superior pectin purity, molecular characteristics, and reduced environmental impact compared to traditional VEAP.
  • The flexible design of the DUF process allows for the production of semi-products from diverse raw materials.