| Coffee DPPH• Peak Response and Mass |
| DPPH• Peak |
Retention Time
(min) |
DPPH•
Response |
UV-Vis
Response |
MS Response |
Mass |
| 1 |
6.74 |
Yes |
Yes |
Yes |
123.84 |
| 2 |
7.54 |
Yes |
Yes |
Yes |
125.83 |
| 3 |
8.94 |
Yes |
No |
No |
- |
| 4 |
10.05 |
Yes |
No |
Yes |
135.83 |
| 5 |
13.15 |
Yes |
No |
No |
- |
| 6 |
16.22 |
Yes |
No |
No |
- |
| 7 |
18.14 |
Yes |
Yes |
Yes |
126.82 |
| 8 |
19.40 |
Yes |
Yes |
Yes |
162.81 |
| 9 |
20.46 |
Yes |
Yes |
Yes |
187.89 |
| 10 |
24.71 |
Yes |
Yes |
Yes |
162.81 |
| 11 |
26.27 |
Yes |
Yes |
Yes |
162.80 |
| 12 |
26.97 |
Yes |
Yes |
Yes |
194.87 |
| 13 |
31.84 |
Yes |
Yes |
Yes |
162.80 |
| 14 |
32.02 |
Yes |
Yes |
Yes |
162.78 |
| 15 |
32.56 |
Yes |
Yes |
Yes |
176.82 |
| 16 |
33.94 |
Yes |
Yes |
Yes |
176.83 |
| 17 |
41.26 |
Yes |
Yes |
No |
- |
| 18 |
42.72 |
Yes |
No |
Yes |
284.93 |
| 19 |
46.07 |
Yes |
Yes |
Yes |
190.83 |
| 20 |
49.21 |
Yes |
Yes |
Yes |
162.75 |
| Decaffeinated Coffee DPPH•Peak Response and Mass |
| DPPH• Peak |
Retention Time
(min) |
DPPH•
Response |
UV-Vis
Response |
MS Response |
Mass |
| 1 |
6.86 |
Yes |
Yes |
Yes |
123.81 |
| 2 |
7.63 |
Yes |
Yes |
Yes |
125.78 |
| 3 |
9.01 |
Yes |
Yes |
No |
- |
| 4 |
10.28 |
Yes |
Yes |
Yes |
184.80 |
| 5 |
16.45 |
Yes |
Yes |
Yes |
162.87 |
| 6 |
17.44 |
Yes |
Yes |
Yes |
162.78 |
| 7 |
18.59 |
Yes |
Yes |
Yes |
126.80 |
| 8 |
19.62 |
Yes |
Yes |
Yes |
162.79 |
| 9 |
24.86 |
Yes |
Yes |
Yes |
162.79 |
| 10 |
26.57 |
Yes |
Yes |
Yes |
162.80 |
| 11 |
27.22 |
Yes |
Yes |
Yes |
162.80 |
| 12 |
31.73 |
Yes |
Yes |
Yes |
162.79 |
| 13 |
32.29 |
Yes |
Yes |
Yes |
162.75 |
| 14 |
32.93 |
Yes |
Yes |
Yes |
336.80 |
| 15 |
34.08 |
Yes |
Yes |
Yes |
336.79 |
| 16 |
39.08 |
Yes |
No |
No |
- |
| 17 |
41.41 |
Yes |
Yes |
Yes |
204.82 |
| 18 |
46.17 |
Yes |
Yes |
Yes |
190.84 |
|
