Table 5.
Pearson correlation.
| Agar (g) | Alginate (g) | Glycerol (g) | Thickness (µm) | Retraction Ratio (%) | Moisture Content (%) | Water Solubility (%) | Transmittance (%) | Opacity (A mm−1) | |
|---|---|---|---|---|---|---|---|---|---|
| Agar (g) | 1 | ||||||||
| Alginate (g) | −0.942 ** | 1 | |||||||
| Glycerol (g) | −0.129 | −0.129 | 1 | ||||||
| Thickness (µm) | −0.016 | 0.115 | 0.023 | 1 | |||||
| Retraction ratio (%) | 0.016 | −0.115 | −0.023 | −1.000 ** | 1 | ||||
| Moisture content (%) | −0.018 | −0.001 | 0.561 * | 0.323 | −0.323 | 1 | |||
| Water solubility (%) | −0.715 ** | 0.618 * | 0.274 | −0.108 | 0.108 | 0.031 | 1 | ||
| Transmittance (%) | 0.164 | −0.146 | −0.112 | −0.698 ** | 0.698 ** | 0.128 | −0.240 | 1 | |
| Opacity, Amm−1 | −0.050 | −0.053 | 0.144 | 0.243 | −0.243 | −0.407 | 0.255 | −0.841 ** | 1 |
**: Correlation is significant at the 0.01 level (2-tailed). *: Correlation is significant at the 0.05 level (2-tailed).