Table 2 Estimation of end structures of PAC from A. zerumbet
From: Identification of an anti-plant-virus molecule in Alpinia zerumbet
Observed molecular mass (A) | Cation (Na+) molecular mass (B) | Exact molecular mass (A) − (B) = (C) | Unit molecular mass (D) | Degree of polymerization (C) ÷ (D) = (E) | Estimated end molecular masses (C) −  ((D) × (E)) |
|---|---|---|---|---|---|
889.50 | 22.99 | 866.51 | 288.06 | 3 | 2.3 |
1177.78 | 22.99 | 1154.79 | 288.06 | 4 | 2.6 |
1466.26 | 22.99 | 1443.27 | 288.06 | 5 | 3.0 |
1754.55 | 22.99 | 1731.56 | 288.06 | 6 | 3.2 |
2043.43 | 22.99 | 2020.44 | 288.06 | 7 | 4.0 |
2332.06 | 22.99 | 2309.07 | 288.06 | 8 | 4.6 |
| Â | Â | Â | Â | Â | Average |
| Â | Â | Â | Â | Â | 3.3 |