Table 1
In vitro anthelmintic activity of different varieties of spent coffee ground (SCG) acetone: water extracts against H. contortus eggs and L3 of different origins. The condensed tannin content of each extract (catechin equivalent) is also included, as well as the confirmation of the role of polyphenols in the in vitro activity by using the tannin inhibitor polyvinylpolypyrrolidone.
| Varieties of Mexican Coffea arabica | In vitro test | Haemonchus contortus isolate | Condensed tannin content (%)* | AH activity (% inhibition) | Effective concentration 50% (95% confidence interval) in μg/mL | Confirmed role of polyphenols | Reference |
|---|---|---|---|---|---|---|---|
| Tazza® Veracruz | EHT at 2400 μg/mL | CENID-INIFAP | 5.58 | 91.6 | Not tested | [58] | |
| Tazza® Oaxaca | 6.33 | 53.7 | |||||
| Tazza® Chiapas | 5.89 | 91.6 | |||||
| Garat® | 2.02 | 92.8 | |||||
| Garat® Décaf | 6.20 | 94.9 | |||||
| Inter® Décaf | 1.00 | 87.3 | |||||
| Starbucks® SG | 2.66 | 92.4 | |||||
| Starbucks® CS | 2.28 | 57.7 | |||||
| Garat® | EHT | CENID-INIFAP | 2.02 | No activity | PVPP | [115] | |
| Garat® | LEIT at 1200 μg/mL | FESC-UNAM | 2.02 | 93.9 | PVPP | [116] | |
| CENID-INIFAP | 98.0 | ||||||
| Poxila | 86.0 | ||||||
| INRA | 100.0 | ||||||
| Sheep | 100.0 | ||||||
| Starbucks® CS | LEIT | FESC-UNAM | 2.28 | 266.56 (221.86 – 309.91) | PVPP | [29] | |
| Starbucks® SG | 2.66 | 176.1 (108.55 – 239.99) | |||||
| Starbucks® CS | LEIT | Paraiso | 2.28 | 699.28 (571.31 – 871.04) | PVPP | [85] | |
| 2.66 | 746.11 (471.35 – 879.44) | ||||||
| Starbucks® SG |
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