Table 1.
Sample | Spectra | Process Time (Min) | Reference UV-Vis Off-Line Method (mg Gallic Acid/100 g Dry Extract) | NIR-Chemometric In-Line Method (mg Gallic Acid/100 g Dry Extract) | Recovery (%) |
---|---|---|---|---|---|
1 | 30 | 05′ | 50.94 | 54.67 | 107.33 |
2 | 60 | 10′ | 106.79 | 86.93 | 81.40 |
3 | 90 | 15′ | 168.58 | 184.30 | 109.33 |
4 | 120 | 20′ | 215.75 | 203.30 | 94.23 |
5 | 150 | 25′ | 240.44 | 237.16 | 98.64 |
6 | 180 | 30′ | 324.81 | 340.44 | 104.81 |
7 | 210 | 35′ | 392.49 | 370.93 | 94.51 |
8 | 248 | 41′ | 469.26 | 468.05 | 99.74 |