Table 4.
Specifications of the NF
| Description: Green‐coloured free‐flowing powder | |
|---|---|
| Source: Fresh aquatic plants from Lemna spp. and Wolffia spp. | |
| Parameter | Specification |
| Species identity Wolffia (W)/Lemna (L) | 0–30%W/70–100%L |
| Moisture | ≤ 10% |
| Crude protein | 35–55% |
| Fat | ≤ 12% |
| Ash | < 10% |
| Carbohydrates | ≤ 12% |
| Dietary fibre | 30–50% |
| Soluble fibre | 2–20% |
| Insoluble fibre | 20–35% |
| Oxalic acid | < 0.1% |
| β‐Carotene | < 300 mg/kg |
| Boron | < 500 mg/kg |
| Copper | < 5 mg/kg |
| Iron | < 800 mg/kg |
| Manganese | < 250 mg/kg |
| Molybdenum | < 3 mg/kg |
| Zinc | < 500 mg/kg |
| Contaminants | |
| Microcystins | < 0.01 mg/kg |
| Nitrate | < 100 mg/kg |
| Cadmium | < 0.05 mg/kg |
| Lead | < 0.1 mg/kg |
| Mercury | < 0.05 mg/kg |
| Arsenic | < 0.5 mg/kg |
| Microbiological parameters | |
| Aerobic plate count | < 20,000 CFU/g |
| Salmonella | ND/25 g |
| E. coli | < 3 MPN/g |
| Listeria spp. | ND/25 g |
| Clostridium perfringens | < 10 CFU/g |
| Coliforms | < 100 CFU/g |
| Yeasts | < 100 CFU/g |
| Moulds | < 100 CFU/g |
CFU: colony forming units; carbohydrates: 100% − [protein % + moisture % + fat % + ash % + dietary fibre %]; ND: Not detected; MPN: Most Probable Number.