The main active ingredient of Griffonia seed extract is 5-HTP, an amino acid.
It is an organic compound with a light gray powder appearance. It is insoluble in water but soluble in methanol and ethanol. In addition,this extract is the main source of 5-hydroxytryptophan on the market.
Griffonia seed extract is often used in kinds of supplements.
The 5-HTP supplied by our factory can be used stably in the European market. The product is guaranteed to be 100% compliant with EC regulations, with no pesticides, no ETO, and no PAHs. At the same time, our company can customize capsules, soft capsules and tablets.
| Item | Specification Method | Result | Method |
| Physical and Chemical Property | |||
| Appearance | Light yellow to white Powder | Conforms | Visual |
| Particle size | ≥95% through 80 mesh | Conforms | Screening |
| Residue on Ignition | ≤1g/100g | 0.50g/100g | 3g/550℃/4hrs |
| Loss on Drying | ≤5g/100g | 3.91g/100g | 3g/105℃/2hrs |
| Identification | Conforms with TLC | Conforms | TLC |
| Content | 98% 5-HTP | 98.34% | HPLC |
| Residue Analysis | |||
| Heavy Metals | ≤10mg/kg | Conforms | |
| Lead (Pb) | ≤1.00mg/kg | Conforms | ICP-MS |
| Arsenic (As) | ≤1.00mg/kg | Conforms | ICP-MS |
| Cadmium (Cd) | ≤1.00mg/kg | Conforms | ICP-MS |
| Mercury (Hg) | ≤0.50mg/kg | Conforms | ICP-MS |
| Microbiological Tests | |||
| Total Plate Count | ≤1000cfu/g | 200cfu/g | AOAC 990.12 |
| Total Yeast & Mold | ≤100cfu/g | 10cfu/g | AOAC 997.02 |
| E.Coli. | Negative/10g | Conforms | AOAC 991.14 |
| Salmonella | Negative/10g | Conforms | AOAC 998.09 |
| S.aureus | Negative/10g | Conforms | AOAC 2003.07 |
| Conclusion: | Conforms with In-house standards | ||
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