Table 1.
Nutrient composition (%) of green and black tea leaf powders and their spent tea leaves.
| Chemical Composition | Green Tea Powder | Black Tea Powder | Spent Green Tea Leaves | Spent Black Tea Leaves |
|---|---|---|---|---|
| Dry matter | 90.7 | 94.2 | 13.4 | 12.6 |
| Crude protein | 22.9 | 24.2 | 24.6 | 23.4 |
| Neutral detergent fibre | 32.5 | 32.3 | 40.5 | 47.4 |
| Acid detergent fibre | 21.1 | 30.9 | 29.4 | 41.0 |
| Organic matter | - | 93.9 | 95.7 | 96.1 |
| Ether extract | 2.08 | 1.26 | 2.31 | 1.35 |
| Tannin | 22.3 | - | - | - |
| Metabolizable energy (Kcal/kg) | 2816 | 1529 | 1765 | 1574 |
| Source | [48] | [56] | [56] | [56] |