Table 1. Variations in anti-nutrients and phytochemical composition of rubber seed meal sample.
| Parameters | *RRSM | *BRSM | *FRSM | **Safety limit (mg/100g) | **Sources for the safety limits |
|---|---|---|---|---|---|
| Phytate (mg/100 g) | 19.62a ± 0.22 | 8.82b ± 0.10 | 6.97c± 0.10 | <25 | Abdoulaye, Brouk & Jie (2011) |
| Oxalate (mg/100 g) | 13.26a ± 0.02 | 7.54b ± 0.09 | 3.36c ± 0.06 | <10 | Mark (2020) |
| Tannin (mg/100 g) | 8.98a ± 0.06 | 2.21b ± 0.06 | 0.92c ±0.06 | 12 | Ndie & Okaka (2018) |
| Saponin (mg/100 g) | 4.91a ± 0.01 | 2.39b ± 0.01 | 1.60c ± 0.04 | ||
| HCN (mg/100 g) | 12.41a ± 0.06 | 4.71b ± 0.16 | 1.97c ± 0.10 | 1 | FAO/WHO (2011) |
| TI (TiU/mg) | 8.43a ± 0.06 | 3.20b ±0.14 | 0.97c ± 0.17 | ||
| Alkaloids (mg/100 g) | 4.54a ± 0.06 | 1.80b± 0.014 | 0.97c ± 0.06 | ||
| Phenols (mgGAE/g) | 2.77a ± 0.06 | 1.10 ± 0.02 | 0.50c ± 0.02 | ||
| Flavonoids (mgQE/100 g) | 60.00a ± 3.53 | 40.00b± 0.53 | 52.50a ± 0.00 |
Notes:
*
Data of the current study.
**
Published references.
Key: RRSM, raw rubber seed meal; BRSM, boiled rubber seed meal; FRSM, fermented rubber seed meal.
Means with same superscripts in the same row are not significantly different (p > 0.05).