Skip to main content
. 2018 Oct 30;8:16030. doi: 10.1038/s41598-018-34392-w

Table 1.

Hot Brew Coffee Samples: concentration of 5-CQA, 4-CQA, 3-CQA, and total CQA concentration (milligrams per liter of brewed coffee) of hot brew coffee samples (Mean ± 95% Confidence Interval, n = 6).

5-CQA
(mg/L)
4-CQA
(mg/L)
3-CQA
(mg/L)
Total CQA
(mg/L)
Brazilian 1261 ± 111 693 ± 45 550 ± 27 2503 ± 103
Ethiopian - Ardi 1721 ± 100 842 ± 22 707 ± 34 3270 ± 90
Ethiopian - Yirgz 1385 ± 285 635 ± 101 510 ± 78 2530 ± 261
Myanmar 1433 ± 341 595 ± 38 489 ± 30 2517 ± 277
Columbia 1429 ± 67 677 ± 22 562 ± 27 2669 ± 64
Mexico 1476 ± 111 721 ± 41 611 ± 38 2808 ± 105