Laminaria is an important plant with both medicinal and edible properties. It contains high levels of laminarin, mainly fucoidan, fucoidan and brown algae starch.
In addition, it also contains acidic polysaccharides, laminarin FGS and zosteramin. Its biological activity is related to the laminarin content it contains, which accounts for 20% to 70% of its dry weight.
The extraction methods of laminarin include enzyme extraction, water extraction, ultrasonic method, acid treatment, alkali treatment, microwave method, etc.
| ANALYSIS | SPECIFICATION | RESULTS |
| Appearance | Off White Fine Powder | Complies |
| Odor | Characteristic | Complies |
| Assay (UV) | Polysaccharide≥85.0% | 85.3% |
| Sieve analysis | NLT 95% pass 80 mesh | Complies |
| Loss on Drying | ≤5.0% | 3.20% |
| Heavy Metal | <20ppm | Complies |
| LEAD(Pb)CADMIUM(Cd)MERCURY(Hg) | <1ppm<1ppm<1ppm | CompliesCompliesComplies |
| Residual Solvents | Eur.Pharm. | Complies |
| Microbiology | ||
| Total Plate Count | <1000cfu/g | Complies |
| Yeast & Moulds | <100cfu/g | Complies |
| E.Coli | Negative | Complies |
| Salmonella | Negative | Complies |
Palmitoyl Tripeptide-1 is a peptide composed of three amino acids (glycine, lysine and proline) combined with palmitic acid.
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