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Degradation coefficients of marigold pigment for different pretreatments
| Pretreatments | Ambient (day−1) | Cold storage (day−1) | Accelerated (day−1) |
|---|---|---|---|
| Control | 0.0046 | 0.0035 | 0.0065 |
| NaOH pretreatment | 0.0024 | 0.0011 | 0.0038 |
| Citric acid pretreatment | 0.0012 | 0.0010 | 0.0024 |
| Enzyme pretreatment | 0.0008 | 0.0006 | 0.0021 |
