TABLE 2.
Description of natural samples analyzed and outcome of analysis of foodstuff samples for the presence of Cryptosporidium oocysts and Giardia cysts
| Sample no. | Product | Amt analyzed | % Recovery with ColorSeed
|
Natural contamination (no. of cysts per 50 g of sample)
|
Slide backgrounda | ||
|---|---|---|---|---|---|---|---|
| Cryptosporidium | Giardia | Cryptosporidium | Giardia | ||||
| 1 | Romaine hearts | 150 g | 13 | 38 | None | None | H |
| 2 | Mixed chilies | All contents of packet | 20 | 21 | None | None | L |
| 3 | Continental four-leaf salad | 100 g | 26 | 38 | None | None | H |
| 4 | Crispy green salad | 100 g | 25 | 39 | None | None | H |
| 5 | Organic gem lettuce | 1 Head | 3 | 31 | None | None | H |
| 6 | Lettuce sticks | 5 Sticks | 25 | 23 | None | None | M |
| 7 | Sliced, peeled carrots | All contents of packet | 46 | 34 | None | None | M |
| 8 | Fusion salad | 100 g | 15 | 44 | None | None | H |
| 9 | Mange-touts | 100 g | 18 | 20 | None | None | M |
| 10 | Cantonese vegetable stir-fry | 100 g | 44 | 20 | None | None | M |
| 11 | Organic herb salad | 50 g | 70 | 57 | None | None | H |
| 12 | Curly parsley | 30 g | 59 | 43 | None | None | L |
| 13 | Spring onions | 3 Pieces | 46 | 38 | None | None | H |
| 14 | Organic iceberg lettuce | 70 g | 49 | 65 | None | None | H |
| 15 | Sliced, peeled carrots | 50 g | 26 | 28 | None | None | H |
| 16 | Birds Eye chillies | 14 g | 16 | 5 | None | None | M |
| 17 | Organic watercress, spinach, and rocket salad | 50 g | 62 | 53 | None | 1 | M |
| 18 | Organic bay leaf salad | 50 g | 60 | 49 | None | None | H |
| 19 | Pak choi | 1 Piece | 57 | 44 | None | None | M |
| 20 | Baby sweet corn and asparagus | 100 g | 45 | 41 | None | None | M |
Background contamination of slides was rated as high (H), medium (M), or low (L).