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. 2023 Feb 28;13(1):3395.
doi: 10.1038/s41598-023-29524-w.

Composition of Guayule (Parthenium argentatum Gray) resin

Amandine Rousset  1   2 , Christian Ginies  3 , Olivier Chevallier  4 , Mariano Martinez-Vazquez  5 , Ali Amor  6 , Michel Dorget  6 , Farid Chemat  7 , Sandrine Perino  8
Affiliations

Composition of Guayule (Parthenium argentatum Gray) resin

Amandine Rousset et al. Sci Rep. .

Erratum in

Abstract

Guayule (Parthenium argentatum Gray) is a semi-arid shrub, native from the Chihuahan desert. This plant produces polyisoprene and resin. Polyisoprene is the main focal point of many researches, from structure to properties. Today, some processes are used to extract polyisoprene under its dry form, using solvent extraction, to produce rubber (used in truck or airplane tires) or as an emulsion, to make latex products by dipping (used in medical gloves, condoms, etc.). This article focuses on guayule resin which has some interesting applications in adhesives, coatings, pharmaceuticals, etc. In order to better know the resin composition and to be able to perform comparisons between varieties or seasons, liquid and gas chromatographic analysis methods have been described, for the groups of molecules composing the resin (polyphenols, guayulins, free fatty acids, di and triacylglycerols, argentatins, alkanes, alkanals, sugars, organic acids). Unlike other articles, this study aims to analyze all components of the same resin; the average composition of a guayule resin is given.

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Conflict of interest statement

The authors declare no competing interests.

Figures

Figure 1
Figure 1
Compounds identified and quantified in Guayule resin (composite view of previous studies).
Figure 2
Figure 2
Filling scheme of an ASE cell.
Figure 3
Figure 3
UPLC chromatograph of polyphenols and guayulins.
Figure 4
Figure 4
Molecules of polyphenol family found in ASE resin.
Figure 5
Figure 5
Molecules of guayulin family found in ASE resin.
Figure 6
Figure 6
UPLC chromatograph of fatty acids.
Figure 7
Figure 7
UPLC chromatograph of di and triacylglycerols.
Figure 8
Figure 8
BPI profile of argentatins.
Figure 9
Figure 9
Molecules of argentatin family found in ASE resin.
Figure 10
Figure 10
GC chromatograph of alkanes and alkanals.
Figure 11
Figure 11
GC chromatograph of sugars, organic acids and glycerol.
Figure 12
Figure 12
Average percentages of molecule families in guayule ASE resin (in 4-year-old plants, CL1 and CL3 varieties) and extremums between brackets (biological variety).
See this image and copyright information in PMC

References

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