
Description of Lotus Leaf Extract:
Nuciferine is an aporphine-type alkaloid in lotus leaves and the main lipid-lowering active ingredient in lotus leaves. It is extracted from dried and crushed lotus leaves using a series of methods including cellulase pretreatment, dilute hydrochloric acid extraction, ultrasonic-assisted extraction, and chloroform extraction.
Specification of Lotus Leaf Extract:
| Item | Content |
|---|---|
| Botanical Source | Lotus Leaf |
| Part Used | Leaf |
| Main Component | Nuciferine |
| Specification | 10:1, 20:1, 30:1, 50:1 or Nuciferine 1%~98% |
| Appearance | Brown yellow to white powder |
| Test Methods | Thin-layer chromatography (TLC), High-performance liquid chromatography (HPLC) |
| Packaging | Less than 5KG: Double-layer plastic packaging with aluminum foil outer layer; More than 25KG: Cardboard drum; Standard packaging: 25KG/drum |
| Storage Conditions | Sealed, stored in a cool, dry, and dark place |
| Shelf Life | Two years |
| Item | Specification | Result |
|---|---|---|
| Nuciferine Content | ≥ 2.0% | 2.31% |
| Appearance | Fine brown powder | Conforms |
| Odor | Characteristic | Conforms |
| Mesh Size | 90% passes 80 mesh | Conforms |
| Ash Content | ≤ 5.0% | 2.22% |
| Loss on Drying | ≤ 5.0% | 2.62% |
Heavy Metal and Microbial Analysis:
| Parameter | Specification | Result |
|---|---|---|
| Chemical Control | ||
| Lead | NMT 2 ppm | Conform |
| Cadmium | NMT 1 ppm | Conform |
| Mercury | NMT 1 ppm | Conform |
| Arsenic | NMT 2 ppm | Conform |
| Microbiological Tests | ||
| Total Plate Count | NMT 1000 cfu/mg | Conform |
| Yeast & Mold | NMT 25 cfu/mg | Conform |
| E. coli | NMT 40 MPN/100g | Conform |
| Staphylococcus | Negative | Conform |
| Conclusion | Product Conforms to Specifications |
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