Velvet bean seed extract standardised on L-DOPA by HPLC at 10%, 15% or 20%. A vegan, gluten-free, non-GMO botanical concentrate supplied in 25 kg bulk with per-batch assay and purity data.
| Botanical identity | Mucuna pruriens (L.) DC., family Fabaceae. Velvet bean, cowhage; Sanskrit Kapikachhu or Atmagupta. Dehulled seed only, irritant pod trichomes excluded. |
| Standardisation | L-DOPA not less than 10.0%, 15.0% or 20.0% by HPLC according to the grade ordered; the assayed figure is stated on each batch certificate of analysis. |
| Marker compound | L-DOPA (levodopa), 3-(3,4-dihydroxyphenyl)-L-alanine. CAS 59-92-7; C9H11NO4; MW 197.19; melting point 276-278 C with decomposition. |
| Native seed content | Untreated seed carries about 3-6% L-DOPA, with a reported literature range of under 1% to 7%, so every standardised grade is a concentrated extract. |
| Extraction | Water or hydro-alcoholic (ethanol/water) extraction of milled seed, concentrated and dried. No excipient carrier unless a diluted grade is specified. |
| Appearance and odour | Free-flowing fine powder, light to dark brown, with a characteristic mild legume odour. Colour deepens at higher assay and on oxidative exposure. |
| Particle size | Not less than 95% passing 80 mesh (approximately 180 micron). Alternative mesh cuts and granulated grades available to order. |
| Solubility | Partly dispersible in water, leaving plant-matrix insolubles. Isolated L-DOPA is only slightly soluble in water and freely soluble in 1 M hydrochloric acid. |
| Loss on drying and ash | Loss on drying not more than 5.0% at 105 C; total ash not more than 5.0%; acid-insoluble ash not more than 1.0%. |
| Heavy metals and pesticides | Lead NMT 3 ppm, arsenic NMT 1 ppm, cadmium NMT 1 ppm, mercury NMT 0.1 ppm by ICP-MS each batch. Pesticide residues to USP and EU botanical limits. |
| Microbiology | Total plate count NMT 10,000 cfu/g; yeast and mould NMT 500 cfu/g; E. coli and S. aureus absent in 10 g; Salmonella absent in 25 g. |
| Allergen, dietary and origin status | A legume seed but not a declarable allergen under EU or US rules. Free from milk, egg, soy, fish, crustacean, gluten and tree nut. Vegan, non-GMO, BSE/TSE-free, Indian origin. |
| Shelf life and storage | 24 months from manufacture in unopened packs. Store below 25 C and under 60% RH, sealed and away from light; L-DOPA is light and air sensitive and darkens when moist. |
| HS code | India ITC-HS 13021919, vegetable saps and extracts, extracts, other. GST 18%. Final classification rests with the importing customs authority. |
Standardised seed extract at 10%, 15% and 20% L-DOPA by HPLC. Non-standardised full-spectrum seed powder and higher-concentration grades are quoted on request, with the concentration route disclosed in writing. Organic certification (NPOP, NOP, EU) and kosher or halal documentation available by prior agreement.
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