Table 2.
Physicochemical properties of the extracted pectin.
| Parameter | Okra genotypes | ||||
|---|---|---|---|---|---|
| PC1 | PC2 | PC3 | PC4 | PC5 | |
| Pectin yield (%) | 6.12 | 18.84 | 11.93 | 7.7 | 13.54 |
| pH | 6.92 ± 0.010 | 6.74 ± 0.006 | 6.39 ± 0.012 | 6.87 ± 0.006 | 6.80 ± 0.010 |
| Moisture content (%) | 16.2 ± 1.20 | 19.7 ± 0.5 | 11.2 ± 2.0 | 16.1 ± 0.6 | 15.9 ± 0.00 |
| Swelling index (%) | 405.05 ± 0.045 | 555.737 ± 0.015 | 407.246 ± 0.009 | 441.666 ± 0.020 | 540.394 ± 0.010 |
| Solubility | |||||
| Hot water | Sparingly soluble | Sparingly soluble | Sparingly soluble | Sparingly soluble | Sparingly soluble |
| Cold water | Sparingly soluble | Sparingly soluble | Sparingly soluble | Sparingly soluble | Sparingly soluble |
| Pet. ether | Practically insoluble | Very slightly soluble | Very slightly soluble | Practically insoluble | Very slightly soluble |
| Diethyl ether | Practically insoluble | Sparingly soluble | Slightly soluble | Very slightly soluble | Very slightly soluble |
| Methanol | Slightly soluble | Practically insoluble | Very slightly soluble | Slightly soluble | Slightly soluble |
| Ethanol | Very slightly soluble | Very slightly soluble | Very slightly soluble | Slightly soluble | Slightly soluble |