Table 5.
| a. Precision results summary of echinacea raw material test samples | ||||
|---|---|---|---|---|
| Matrix | Analyte | ANOVA | HorRat | Mean, % (w/w) |
|
E. purpurea root (BCIT-ECH-002-09) |
Caftaric acid | Pass | 0.38 | 0.56 |
| Chlorogenic acid | Pass | 0.61 | 0.02 | |
| Cynarin | NAa | NA | Not detected | |
| Echinacoside | NA | NA | Not detected | |
| Cichoric acid | Pass | 1.01 | 2.78 | |
|
E. purpurea aerial parts (BCIT-ECH-004-09) |
Caftaric acid | Pass | 0.41 | 0.85 |
| Chlorogenic acid | Pass | 0.36 | 0.01 | |
| Cynarin | NA | NA | Not detected | |
| Echinacoside | NA | NA | Not detected | |
| Cichoric acid | Pass | 0.71 | 2.20 | |
|
E. angustifolia root (BCIT-ECH-003-09) |
Caftaric acid | Pass | 0.61 | 0.02 |
| Chlorogenic acid | Pass | 0.34 | 0.02 | |
| Cynarin | Pass | 0.42 | 0.07 | |
| Echinacoside | Pass | 0.35 | 1.55 | |
| Cichoric acid | Pass | 0.43 | 0.03 | |
|
E. angustifolia aerial parts (BCIT-ECH-005-09) |
Caftaric acid | Pass | 0.32 | 0.39 |
| Chlorogenic acid | Pass | 0.42 | 0.08 | |
| Cynarin | NA | NA | Detected | |
| Echinacoside | Pass | 0.63 | 0.11 | |
| Cichoric acid | Pass | 0.32 | 0.78 | |
|
E. pallida root (BCIT-ECH-001-09) |
Caftaric acid | Pass | 0.36 | 0.01 |
| Chlorogenic acid | NA | NA | Not detected | |
| Cynarin | NA | NA | Not detected | |
| Echinacoside | Pass | 0.43 | 0.13 | |
| Cichoric acid | Pass | 0.65 | 0.02 | |
| b. Precision results summary of echinacea dry finished product test samples | ||||
|---|---|---|---|---|
| Matrix | Analyte | ANOVA | HorRat | Mean, % (w/w) |
|
E. purpurea aerial powdered extract (BCIT-ECH-006-09) |
Caftaric acid | Pass | 0.30 | 2.31 |
| Chlorogenic acid | Pass | 0.46 | 0.03 | |
| Cynarin | NA | NA | Not detected | |
| Echinacoside | Pass | 1.39 | 0.11 | |
| Cichoric acid | Pass | 0.31 | 3.15 | |
|
E. angustifolia aerial powdered extract (BCIT-ECH-007-09) |
Caftaric acid | Pass | 0.42 | 0.03 |
| Chlorogenic acid | Pass | 0.32 | 0.03 | |
| Cynarin | Pass | 0.38 | 0.13 | |
| Echinacoside | Pass | 0.81 | 2.49 | |
| Cichoric acid | Pass | 1.33 | 0.03 | |
|
E. purpurea leaf/stem/flower capsule with elderberry, goldenseal, vitamin C, and Zn (BCIT-ECH-009-09) |
Caftaric acid | Pass | 0.38 | 0.34 |
| Chlorogenic acid | Pass | 0.48 | 0.04 | |
| Cynarin | NA | NA | Not detected | |
| Echinacoside | NA | NA | Not detected | |
| Cichoric acid | Pass | 0.39 | 0.61 | |
|
E. purpurea leaf/stem/flower capsule with Astralagus, Reishi (BCIT-ECH-011-09) |
Caftaric acid | Pass | 0.34 | 0.36 |
| Chlorogenic acid | Pass | 0.69 | 0.01 | |
| Cynarin | NA | NA | Not detected | |
| Echinacoside | NA | NA | Not detected | |
| Cichoric acid | Pass | 0.26 | 0.64 | |
|
E. purpurea leaf/stem/flower with vitamin C (BCIT-ECH-012-09) |
Caftaric acid | Pass | 0.45 | 0.44 |
| Chlorogenic acid | Pass | 0.50 | 0.01 | |
| Cynarin | NA | NA | Not detected | |
| Echinacoside | NA | NA | Not detected | |
| Cichoric acid | Pass | 0.33 | 0.81 | |
|
E. purpurea powdered extract, 4% polyphenols (BCIT-085-012) |
Caftaric acid | Pass | 0.44 | 1.07 |
| Chlorogenic acid | Pass | 0.49 | 0.04 | |
| Cynarin | NA | NA | Detected | |
| Echinacoside | NA | NA | Not detected | |
| Cichoric acid | Pass | 0.24 | 1.52 | |
|
E. purpurea powdered extract in capsule (BCIT-001-08) |
Caftaric acid | Pass | 0.30 | 0.54 |
| Chlorogenic acid | Pass | 0.79 | 0.03 | |
| Cynarin | NA | NA | Detected | |
| Echinacoside | NA | NA | Not detected | |
| Cichoric acid | Pass | 0.73 | 0.97 | |
| c. Precision results summary of echinacea tincture test samples | ||||
|---|---|---|---|---|
| Matrix | Analyte | ANOVA | HorRat | Mean, µg/g |
|
E. purpurea root glycerite (BCIT-ECH-008-09) |
Caftaric acid | Pass | 0.20 | 200 |
| Chlorogenic acid | NA | NA | Not detected | |
| Cynarin | NA | NA | Not detected | |
| Echinacoside | NA | NA | Not detected | |
| Cichoric acid | Pass | 0.18 | 258 | |
|
E. angustifolia aerial (BCIT-ECH-005-08) |
Caftaric acid | Pass | 0.13 | 611 |
| Chlorogenic acid | Pass | 0.22 | 221 | |
| Cynarin | Pass | 0.28 | 73 | |
| Echinacoside | Pass | 0.15 | 475 | |
| Cichoric acid | Pass | 0.10 | 405 | |
|
E. angustifolia/purpurea root/aerial (BCIT-ECH-006-08) |
Caftaric acid | Pass | 0.09 | 642 |
| Chlorogenic acid | Pass | 0.34 | 32 | |
| Cynarin | NA | NA | Not detected | |
| Echinacoside | Pass | 0.30 | 73 | |
| Cichoric acid | Pass | 0.10 | 1017 | |
|
E. purpurea root/aerial with H. canadensis L. (BCIT-GOLD-002-08) |
Caftaric acid | Pass | 0.61 | 4659 |
| Chlorogenic acid | NA | 1.10 | 502 | |
| Cynarin | NA | NA | Not detected | |
| Echinacoside | NA | NA | Not detected | |
| Cichoric acid | Pass | 1.09 | 3371 | |
a
NA = Not applicable.