Analysis Note

Assay (perchloric acid titration, calculated on dried substance): ≥ 99.0 %Identity (IR-spectrum): passes testAppearance: white to almost white, fine powderAppearance of solution (1 mol/l, water): clear and colorlessSpec. rotation (α 20/D, 50 g/l, hydrochloric acid 1 mol/l, calc. on dried substance): +21.0 to +22.0UV-Absorption(260 nm; 1 mol/l; 1 cm; water): ≤ 0.20UV-Absorption(280 nm; 1 mol/l; 1 cm; water): ≤ 0.05Sulfate (SO₄): ≤ 0.01 %Heavy metals (as Pb): ≤ 0.001 %As (Arsenic): ≤ 0.0005 Ê (Calcium): ≤ 0.001 %Co (Cobalt): ≤ 0.0005 þ (Iron): ≤ 0.0005 %K (Potassium): ≤ 0.0005 %Mg (Magnesium): ≤ 0.0005 %Na (Sodium): ≤ 0.005 %Zn (Zinc): ≤ 0.0005 %NH₄ (Ammonium): ≤ 0.01 %Foreign amino acids: ≤ 0.3 %Other ninhydrine positive substances: ≤ 0.2 %Loss on drying (105 °C; 3 h): ≤ 0.3 %

Biochem/physiol Actions

Substrate of nitric oxide synthase, which is converted to citrulline and nitric oxide (NO). Induces insulin release by a nitric oxide-dependent mechanism.

Packaging

10 kg in Plastic drum

50, 250 g in Plastic bottle

1 kg in Plastic bottle