Table 1.
Quantification of polyphenols in different extracts of Raw and Spent Cumin
| Polyphenols (Yield in mg/g dry weight of extract) | ||||
|---|---|---|---|---|
| Raw cumin | Spent cumin | |||
| Ethyl acetate | Methanol | Ethyl acetate | Methanol | |
| Gallic acid | – | – | 0.0306 ± 0.002 | – |
| Catechol | – | – | – | – |
| Chlorogenic acid | – | 1.2940 ± 0.420 | – | – |
| Caffeic acid | 0.2799 ± 0.020a | 0.3124 ± 0.012b | – | 0.1964 ± 0.052c |
| Syringic acid | 0.3691 ± 0.034a | 0.1666 ± 0.015a | 0.1804 ± 0.080a | 1.1877 ± 0.408b |
| p-Coumaric acid | 1.2049 ± 0.190a | 8.0591 ± 0.587b | 0.6068 ± 0.044c | 6.4445 ± 1.020d |
| Ferulic acid | – | 5.1587 ± 0.674a | 0.0574 ± 0.019b | 5.8286 ± 0.891c |
| Elagic acid | 0.9419 ± 0.105a | 0.4216 ± 0.075b | 0.6182 ± 0.089ab | 2.1519 ± 0.775c |
| Myrcetin | – | 2.1638 ± 0.238 | – | – |
| Cinnamic acid | – | 1.3221 ± 0.159a | 2.4974 ± 0.921b | 4.3085 ± 0.753c |
| Quercetin | 2.1556 ± 0.817a | 0.7248 ± 0.088 cd | 1.1389 ± 0.452c | 0.2478 ± 0.188d |
| Kaempferol | – | – | – | 0.3461 ± 0.099 |
| Apigenin | – | – | – | – |
Each value represents mean ± SD (standard deviation) from triplicate measurements
Values in a row with different superscript are significantly different and with same superscript are not significantly different (p < 0.05)