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Green and Efficient Extraction of Taraxacum kok-saghyz Natural Rubber and Its Structural Analysis

  • 0School of Materials Science and Engineering, Hainan University, Haikou 570228, China.
International Journal of Molecular Sciences +

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February 13, 2025

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February 13, 2025

View abstract on PubMed

Summary

This summary is machine-generated.

Researchers developed a new method to extract high-purity Taraxacum kok-saghyz Natural Rubber (TKNR). This sustainable TKNR closely resembles conventional natural rubber (NR), offering a promising alternative to address NR shortages.

Area Of Science

  • Polymer Science
  • Biomaterials Science
  • Sustainable Chemistry

Background

  • Natural rubber (NR) is essential for many industries but faces supply limitations.
  • There is a growing demand for sustainable and renewable rubber alternatives.
  • Taraxacum kok-saghyz (TKS) is a promising plant source for high-content rubber production.

Purpose Of The Study

  • To develop an efficient, green, and high-purity extraction process for Taraxacum kok-saghyz Natural Rubber (TKNR).
  • To structurally characterize TKNR and compare it with conventional NR.
  • To assess the potential of TKNR as a viable substitute for NR.

Main Methods

  • TKS roots were treated via repeated boiling to remove inulin.
  • Alkaline treatment with potassium hydroxide (KOH) was used to isolate lignin and disrupt cell walls.
  • Enzymatic hydrolysis with pectinase and cellulase dissolved root carbohydrates, yielding TKNR.

Main Results

  • A combined alkaline and enzymatic extraction method effectively isolated TKNR from TKS roots.
  • Structural analysis showed TKNR possesses comparable molecular weight, distribution, and crystallinity to NR.
  • TKNR and NR both primarily consist of cis-1,4-polyisoprene, indicating similar polymer structures.

Conclusions

  • The developed extraction methodology is effective for producing high-purity TKNR.
  • TKNR exhibits structural and compositional similarities to NR, making it a suitable alternative.
  • This research offers a sustainable solution to NR scarcity by utilizing TKS.

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