Table 2.
Mean values of bioactive compounds in untreated and treated peach-based beverage at different storage days
| Parameters | Storage (days) | Processing method | |||
|---|---|---|---|---|---|
| C | CP | MW1.5 | US90 | ||
| TPC | 0 | 457.40 ± 0.0004abc** | 464.19 ± 0.0005abc** | 575.92 ± 0.0006abc*** | 600.61 ± 0.0002abc*** | 
| 10 | 432.09 ± 0.0003abc** | 434.56 ± 0.0003abc** | 537.03 ± 0.0004abc*** | 574.07 ± 0.0003abc*** | |
| 20 | 430.86 ± 0.0003abc** | 412.96 ± 0.0004abc** | 452.46 ± 0.0008abc*** | 536.41 ± 0.000abc*** | |
| 30 | 420.61 ± 0.0002abc** | 378.39 ± 0.0004abc** | 408.08 ± 0.0004abc*** | 485.18 ± 0.0004abc*** | |
| TFC | 0 | 169.5 ± 0.0003abc** | 167.5 ± 0.0002abc** | 175.5 ± 0.0003abc*** | 177 ± 0.0004abc*** | 
| 10 | 158 ± 0.0001abc** | 164 ± 0.0002abc** | 167.5 ± 0.0003abc*** | 164 ± 0.0002abc*** | |
| 20 | 140 ± 0.0001abc** | 150 ± 0.0001abc** | 163 ± 0.0002abc** | 159 ± 0.0002abc** | |
| 30 | 138 ± 0.0002abc** | 134 ± 0.0002abc** | 157 ± 0.0002abc** | 147.5 ± 0.0002abc** | |
C control, CP conventional pasteurization, MW1.5 microwave processed samples, US90 ultrasound processed samples, ns non-significant, TPC total phenolic content, TFC total flavonoid content
No. of * in column are significantly different days (p ≤ 0.05). Values with different letters in rows are significantly different processing technique (p ≤ 0.05)