Table 1.
Polymeric fractions of the Pistacia gums and synthetic polymyrcene analysed by GPC
| Source of Gum | High Molecular Weight Fraction(Polymer) % | Whole Gum (Total weight) % | Number average molecular weight (Mn) | Weight average molecular weight (Mw) | Distribution of molecular weight |
|---|---|---|---|---|---|
| P. a. kurdica (kurdica gum) | 13.8 | 100 | 1023 | 11876 | 250-55000 |
| P. a. mutica (mutica gum) | 19.4 | 100 | 906 | 3584 | 250-50000 |
| P. a. cabolica (cabolica gum) | 20.0 | 100 | 682 | 3611 | 250-30000 |
| P. lentiscus (mastic gum) | 35.2 | 100 | 20000 | 80000 | 50000-130000 |
| cis-1,4-poly-β-myrcene | N/A | N/A | 221823 | 405703 | 50000-500000 |