Table 2.
Comparison of the molecular weight (MW) profiles of the polysaccharides in the aloe extracts from the three different processes.
| GE∗ | WE∗∗ | FE∗∗∗ | |||
|---|---|---|---|---|---|
| MW | % composition | MW | % composition | MW | % composition |
| 238107.229 | 21.25 | 118384.358 | 7.17 | 122893.982 | 4.43 |
| 172087.419 | 12.46 | 79206.108 | 4.73 | 77930.07 | 8.18 |
| 138034.792 | 11.27 | 47006.643 | 6.04 | 52831.109 | 6.42 |
| 137941.051 | 19.80 | 39604.995 | 6.82 | 44257.96 | 5.78 |
| 123086.755 | 13.87 | 38734.689 | 5.79 | 44161.622 | 7.07 |
| 88475.398 | 14.65 | 34507.023 | 6.26 | 42536.868 | 5.48 |
| 729.656 | 1.15 | 34310.378 | 4.58 | 35815.964 | 5.59 |
| 713.562 | 1.26 | 34186.908 | 6.36 | 35384.405 | 5.67 |
| 682.314 | 1.11 | 33145.206 | 9.79 | 31084.446 | 5.59 |
| 666.341 | 3.19 | 32952.698 | 4.76 | 30577.379 | 6.18 |
| — | — | 32014.32 | 7.66 | 30518.263 | 6.40 |
| — | — | 30526.307 | 6.90 | 30132.334 | 7.04 |
| — | — | 30262.916 | 5.24 | 30092.126 | 5.61 |
| — | — | 30216.016 | 5.03 | 666.429 | 9.28 |
| — | — | 30135.666 | 5.39 | 893.346 | 0.86 |
| — | — | 30110.233 | 6.28 | 877.365 | 0.89 |
| — | — | 682.294 | 0.39 | 713.598 | 1.51 |
| — | — | 666.324 | 0.82 | 710.640 | 1.40 |
| — | — | — | — | 688.328 | 1.70 |
| — | — | — | — | 672.360 | 1.19 |
| — | — | — | — | 666.343 | 2.78 |
| — | — | — | — | 650.370 | 0.94 |
∗GE: the gel juice extracted after peeling off the leaves of Aloe vera. ∗∗WE: the extract obtained by hot water extraction of Aloe arborescens at 100°C for 24 hours. ∗∗∗FE: the lactic acid fermentation of Aloe arborescens at 37°C for 4 days further extracted by an ultrasonicator at 40 kHz for 1 hour at room temperature.