TABLE 3.
Major peaks of the mass spectroscopy of the dye extracts of calyces of Hibiscus sabdariffa
| Dye extract | Peaks (m/z) | |||||
|---|---|---|---|---|---|---|
| Positive | Negative | |||||
| 1st | 2nd | 3rd | 1st | 2nd | 3rd | |
| CM | 118.080 | 203.051 | 245.024 | 189.0059 | 379.0166 | 407.0451 |
| HM | 118.079 | 245.025 | 203.051 | 189.0048 | 379.0153 | 407.0465 |
| CMA | 203.052 | 118.085 | 245.026 | 189.0062 | 379.0172 | 221.0316 |
| HMA | 118.084 | 203.052 | 245.026 | 189.0066 | 379.0172 | 351.0578 |
| CW | 118.086 | 597.146 | 219.027 | 189.0038 | 207.0145 | 351.0566 |
| HW | 203.053 | 118.084 | 219.027 | 189.0079 | 379.0169 | 207.0182 |
| BW | 203.052 | 383.1152 | 118.085 | 189.0051 | 210.9869 | 353.0872 |
Abbreviations: BW, boiling distilled water dye extract; CM, cold methanol dye extract; CMA, cold acidified methanol dye extract; CW, cold distilled water dye extract; HM, hot methanol dye extract; HMA, hot acidified methanol dye extract; HW, hot distilled water dye extract.